Page 1 Keysight N1911A/1912A P-Series Power Meters User’s Guide...
Page 2: Safety Information
Conformity. understood and met. where in the EULA. Keysight shall be under no obligation to update, revise or otherwise modify the Software. With WARNING respect to any technical data as defined by FAR 2.101, pursuant to FAR...
Page 3: Certification
Keysight shall not be liable for errors or for incidental or consequential damages in connection with the furnishing, use, or performance of this document or any information contained herein.
Page 4: Limitation Of Warranty
Buyer. Keysight does not warrant the Buyer’s circuitry or malfunctions of Keysight products that result from the Buyer’s circuitry. In addition, Keysight does not warrant any damage that occurs as a result of the Buyer’s circuit or any defects that result from Buyer-supplied products.
Page 5: Restricted Rights Legend
1987) (or any equivalent agency regulation or contract clause), whichever is applicable. You have only those rights provided for such Software and Documentation by the applicable FAR or DFARS clause or the Keysight standard software agreement for the product involved.
Page 6: Safety Symbols
This symbol indicates the operating switch for ‘Stand-by’ mode. Note, the instrument is NOT isolated from the mains when the switch is pressed. To isolate the instrument, the mains coupler (mains input cord) should be removed from the power supply. Keysight N1911A/1912A User’s Guide...
Page 7: Safety Considerations
Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards for design, manufacture, and intended use of the instrument. Keysight Technologies assumes no liability for the customer’s failure to comply with these requirements.
Page 8: General Safety Information
REMOVE POWER and do not use the product until safe operation can be verified by service-trained personnel. If necessary, return the product to a Keysight Technologies Sales and Service Office for service and repair to ensure the safety features are maintained.
Page 9: Environmental Conditions
Environmental Conditions The N1911A/1912A is designed for indoor use and in an area with low condensation. The table below shows the general environmental requirements for this instrument. Environmental cond ition Requirement Operating condition – 0 °C to 55 °C Temperature Storage condition –...
Page 10: Regulatory Information
Regulatory Information The N1911A/1912A complies with the following safety and Electromagnetic Compatibility (EMC) compliances: Safety compliance – IEC 61010-1:2010/EN 61010-1:2010 (3rd Edition) – Canada: CAN/CSA-C22.2 No. 61010-1-12 – USA: ANSI/UL 61010-1:2012 EMC compliance – IEC 61326-1:2005/EN 61326-1:2006 – CISPR11:2003/EN 55011:1998+A1:1999+A2:2002, Group 1 Class A –...
Page 11: Regulatory Markings
This affixed product label leak or deteriorate during normal use. indicates that you must not discard Forty years is the expected useful life this electrical or electronic product in of the product. domestic household waste. Keysight N1911A/1912A User’s Guide...
Page 12: Waste Electrical And Electronic Equipment (Weee) Directive 2002/96/ Ec
To return this unwanted instrument, contact your nearest Keysight Service Center, or visit http://about.keysight.com/en/companyinfo/environment/takeback.shtml for more information. Sales and Technical Support To contact Keysight for sales and technical support, refer to the support links on the following Keysight websites: – www.keysight.com/find/powermeter (product-specific information and support, software and documentation updates) –...
Page 13: Table Of Contents
.........38 Keysight N1911A/1912A User’s Guide...
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Page 16 ....176 Viewing the results in a full screen window ....180 Keysight N1911A/1912A User’s Guide...
Page 17 ........212 Keysight N1911A/1912A User’s Guide...
Page 18 ........263 Keysight N1911A/1912A User’s Guide...
Page 19 ..... . .281 Packaging the power meter for shipment ....281 11 Specifications and Characteristics Keysight N1911A/1912A User’s Guide...
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Page 21: List Of Figures
....70 Figure 2-13 Frequency dependent offset tables display ..73 Keysight N1911A/1912A User’s Guide...
Page 22 ....108 Figure 2-48 Limits checking applications ....118 Keysight N1911A/1912A User’s Guide...
Page 23 Trace display in full screen .....161 Figure 3-8 P-Series power sensor default channel setup ..162 Keysight N1911A/1912A User’s Guide...
Page 24 ......223 Figure 7-11 Edit table title pop-up ......223 Keysight N1911A/1912A User’s Guide...
Page 25 ......276 Figure 10-4 Secure erase status pop-up ....280 Keysight N1911A/1912A User’s Guide...
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Page 27 N8480 Series connection requirements ..234 Table 8-3 Installed power sensor models ....246 Keysight N1911A/1912A User’s Guide...
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Page 29: Introduction
Keysight N1911A/1912A P-Series Power Meters User’s Guide Introduction LXI Class-C Compliant Power Meter Rack Mounting Power Meter and Sensor Capability Conventions Used in this Guide Front Panel Keys and Connections The Display Layout Window Symbols and Pop-ups Using the Instrument Web Browser This chapter introduces you to the front panel display and instrument Web browser of the P-Series power meter.
Page 30: Lxi Class-C Compliant Power Meter
These are normally supplied with the rack and are not included with the rack mount options. If you are installing an instrument on top of the N1911A/1912A, ensure that the instrument does not obstruct the ventilation holes at the top of the N1911A/ 1912A.
Page 31: Power Meter And Sensor Capability
Introduction Power Meter and Sensor Capability Your P-Series power meter is compatible with Keysight P-Series, E-Series E9320, E-Series E9300, E-Series E4410, 8480 Series and the N8480 Series power sensors. However, not all sensor and meter combinations have the same features or capabilities.
Page 32: Conventions Used In This Guide
This User’s Guide describes the operation for both the single channel and the dual Channel channel power meter. To identify channels on a dual channel meter a Channel B Channel A softkey on an N1911A meter becomes “Channel” N1912A. Softkey When you are asked to press “the channel”...
Page 33: Front Panel Keys And Connections
Press this key to switch the meter between on and standby. When power is supplied, the background LED is red. Pressing the key, switches the power meter on and the background LED is green. Keysight N1911A/1912A User’s Guide...
Page 34 Use this key to configure the selected measurement. Press this key to access the measurement display menu. You can choose the displayed measurement resolution, units and display format. Use this key together with to configure measurement displays. Keysight N1911A/1912A User’s Guide...
Page 35 For example, a 1 of 2 is displayed beside the key indicating the first page of a two page menu. Press the key to access the next page or second page. (A 2 of 2 is displayed). Keysight N1911A/1912A User’s Guide...
Page 36 Press this key to select a highlighted field to allow data entry, check a checkbox and terminate entry of a popup list. Press this key to access the zero and calibration menus. Keysight N1911A/1912A User’s Guide...
Page 37 The Green LED beside the connector is lit when the calibrator is turned on. The sensor input connectors (N1912A shown, the N1911A has one input). If the meter is configured with Option 003, the connectors are fitted to the rear panel.
Page 38: The Display Layout
4 The associated measurement type is shown below the channel and gate number. 5 This displays the measurement units, either dBm, dB, Watts, or percent (%). Keysight N1911A/1912A User’s Guide...
Page 39 8 The available softkey labels are displayed in these four fields. Additionally, settings associated with the labeled function are displayed under the label. 9 This field displays the menu title. For example, Channel Setup or press and the Zero/Cal menu is displayed. Keysight N1911A/1912A User’s Guide...
Page 40: Figure 1-2 Single Numeric And Analog Display
(Stopped), (Negative Slope), or (Positive Slope). 14 The channel measurement frequency. 15 This displays the connected sensor, the offset value, and the acquisition mode on the channel. On dual channel models it shows for both channels. Keysight N1911A/1912A User’s Guide...
Page 41: Figure 1-3 Full Screen Numeric Display
21 The information in this field is displayed on two lines and depends on the sensor type, sensor calibration table, frequency dependent offset table currently selected, and the measurement frequency. The following trace displays are only available when a P-Series or an E-Series NOTE E9320 power sensor is connected. Keysight N1911A/1912A User’s Guide...
Page 42: Figure 1-4 Trace Display In Both Windows
Single or continuous triggering ( ) must be selected from Sing Trig Cont Trig NOTE the Acqn menu to view a trace window. The Acqn menu is accessed by pressing is disabled when is selected. Trigger Trace Free Run Keysight N1911A/1912A User’s Guide...
Page 43: Figure 1-5 Trace Display In Single Enlarged Window In Markers
28 The highlighted marker shows the active marker at the configured point. 29 This table shows the width of the gate T: (time between the markers), the Δ average, peak, and peak-to-average ratio power measurements within the active gate. Keysight N1911A/1912A User’s Guide...
Page 44: Figure 1-6 Trace Display In Single Enlarged Window In Trigger Delay Mode
To indicate an off-screen trigger point, is displayed. 31 The selected channel and gate number is displayed. 32 The trigger setting and slope is displayed. Examples shown in Figure 1-6 Internal Channel A and a Positive Slope. Keysight N1911A/1912A User’s Guide...
Page 45: Figure 1-7 Trace Display In Single Enlarged Window In Trace Control
The 8 measurements are rise time , fall time , time to positive occurrence , time to negative occurrence , pulse period , pulse width , duty cycle 50.0 % and pulse repetitive frequency 12.5 kHz. Keysight N1911A/1912A User’s Guide...
Page 46: Window Symbols And Pop-Ups
Depending on the severity of the warning, the pop-up may be displayed in Orange or Red. Keysight N1911A/1912A User’s Guide...
Page 47: Wait Symbol Pop-Up
For example, prior to a Save being carried out. Numeric entry pop-up This type of pop-up window is displayed when you need to modify numeric data. The numeric keys allow you to enter the value. Keysight N1911A/1912A User’s Guide...
Page 48: Text Entry Pop-Up
This pop-up window is displayed when you are in the Trace Control menu and you can either use the up/down arrow keys for increment and decrement, or the numeric keys to set, the values of the X scale and Y scale. Keysight N1911A/1912A User’s Guide...
Page 49: List Pop-Up
Introduction List pop-up This pop-up window is displayed when you are required to select an entry from a list. Use the up/down arrow keys to highlight your choice. Press select to complete the entry. Keysight N1911A/1912A User’s Guide...
Page 50: Using The Instrument Web Browser
Using the Instrument Web Browser P-Series power meters network settings can be configured using its Web-based interface (Web browser). The instrument’s Web browser can be opened from Keysight Connection Expert as shown in Figure 1-8. Alternatively, the instrument’s Web-based interface can also be opened directly NOTE from a Web browser by entering the instrument’s IP address or hostname in the...
Page 51: Figure 1-9 N1912A P-Series Power Meter Web Browser (Welcome Page)
When Instrument ID is toggled to ON, this causes the Status message “LAN identify start” in Remote Interface screen on the front panel to blink 3 times. When the Toggle ID is selected again, the default Status message “Running” is returned. See Figure 1-10 Figure 1-11. Keysight N1911A/1912A User’s Guide...
Page 52: Figure 1-10 Status Message Before Toggle Id Is Selected
LAN error condition and status of the LAN configuration connection. There are six types of Lan Status messages that may occur. See Table 1-1. See also Figure 1-12 for the example of Lan Status message. Keysight N1911A/1912A User’s Guide...
Page 53: Figure 1-12 Example Of Lan Status Message
– Unable to obtain IP address from DHCP server (if user select Lan: DHCP Not Available DHCP configuration) Status: Running – IP address obtained from Auto-IP or manual configuration. Figure 1-12 Example of Lan Status message Keysight N1911A/1912A User’s Guide...
Page 54: Editing The Instrument's Lan Settings
LAN configuration can be viewed and modified using the Web browser. On the Welcome Page, click View and Mod ify Configuration. This opens the configuration window shown in Figure 1-13. Figure 1-13 Viewing LAN configuration settings from the Web interface. Keysight N1911A/1912A User’s Guide...
Page 55: Figure 1-14 Password Security Dialog Box
Password security dialog box. Click the Submit (accept the default password) and the window opens as shown Figure 1-15. The default password is “keysight”. For P-Series power meters with latest firmware upgrade to be LXI-C compliant, NOTE a LAN reset needs to be performed to ensure that the password is reset to default.
Page 56: Figure 1-15 Changing The Instrument Lan Interface Configuration
Introduction Figure 1-15 Changing the instrument LAN interface configuration Keysight N1911A/1912A User’s Guide...
Page 57 Scaling the Analog Display Recorder Output Saving and Recalling Power Meter States Zeroing and Calibrating the P-Series Sensor Presetting the Power Meter Setting the Cable Short/Long This chapter describes the general operation of the P-Series power meter. Keysight N1911A/1912A User’s Guide...
Page 58: General Power Meter Functions
Measurement units - Single channel meters Measurement Mode Relative Mode Off Relative Mode On Linear Watt Table 2-2 Measurement units - Dual channel meters Measurement Mode Relative Mode Off Relative Mode On Ratio Linear Difference Linear Watt Keysight N1911A/1912A User’s Guide...
Page 59: Selecting Units Of Measurement From The Softkeys
Increment Multiplier Decrement Multiplier multiplier shown in front of .Pressing after the correct multiplier has been selected confirms the entry. Invalid softkeys are grayed out so the value cannot be entered. NOTE Keysight N1911A/1912A User’s Guide...
Page 60: Setting The Measurement Frequency
Frequency pop-up. Use the numeric keypad to enter the required value in the Frequency pop-up window. Figure 2-1 Frequency pop-up 3 Confirm your choice by pressing 4 Press key to close the Channel Setup screen. Keysight N1911A/1912A User’s Guide...
Page 61: Setting The Resolution
To set the resolution on the currently selected window: 1 Press . The current setting of the resolution is highlighted under the softkey. Resolution 2 To change this setting, press repeatedly until the required Resolution resolution setting is highlighted. Keysight N1911A/1912A User’s Guide...
Page 62: Making Relative Measurements
Typical relative measurement display 4 Press to check the Relative setting field. 5 Confirm that the power meter is measuring the signal you want to use as the reference. This is displayed under the Result field. Keysight N1911A/1912A User’s Guide...
Page 63: Figure 2-3 Numeric Display
NOTE be displayed in the measurement window it is applied to. Rel indicator Figure 2-3 Numeric display The Rel symbol is not displayed when the associated measurement is displayed NOTE in Dual Numeric or Analog format. Keysight N1911A/1912A User’s Guide...
Page 64: Setting The Pulse Reference Levels
Figure 2-4 Measurement configuration screen Trace Ref Lvl 1 and Trace Ref Lvl 2 are used in calculation of transition durations NOTE and occurrences. Pulse Duration Ref Lvl allows pulse duration measurements between NOTE non-standard reference levels. Keysight N1911A/1912A User’s Guide...
Page 65: Figure 2-5 Pulse Duration Measurement Between Two Reference Levels
Trace Ref Lvl 1 pop-up window. Figure 2-6 Trace Ref Lvl 1 pop-up 3 Complete the entry by pressing the softkey. 4 Use the keys to highlight the Trace Ref Lvl 2 field. Keysight N1911A/1912A User’s Guide...
Page 66: Figure 2-7 Trace Ref Lvl 2 Pop-Up
9 Complete the entry by pressing the softkey. By default, the Trace Ref Lvl 1, Trace Ref Lvl 2 and Pulse Duration Ref Lvl NOTE settings are set to 10 %, 90 % and 50 % respectively. Keysight N1911A/1912A User’s Guide...
Page 67: Setting Offsets
Channel Offset or a Frequency Dependent Offset prior to any mathematical functions. These allow you to compensate each channel individually. An overall offset can be applied if required using the Display Offset. Keysight N1911A/1912A User’s Guide...
Page 68: Setting Channel Offsets
Typical channel offset display 5 Press to highlight the Offset value field and press to display the Offset pop-up. Use the numeric keypad to enter the required value in the Offset pop-up window. 6 Confirm your choice by pressing Keysight N1911A/1912A User’s Guide...
Page 69: Figure 2-11 Channel Offset Indicator
If either a channel or a display offset is set, the Ofs indicator is displayed. Offset indicator Figure 2-11 Channel offset indicator The Ofs symbol is not displayed when the associated measurement is displayed NOTE in Dual Numeric or Analog format. Keysight N1911A/1912A User’s Guide...
Page 70: Setting Display Offsets
The currently selected window/measurement is displayed. Meas Select 3 Use the keys to highlight the Offset setting field. 4 Press to check the Offset setting field. Selected Window/ Offset setting field Measurement Offset value field Figure 2-12 Typical display offset display Keysight N1911A/1912A User’s Guide...
Page 71: Setting Frequency Dependent Offsets
3 Specify the frequency of the signal you want to measure. The calibration factor/offset is automatically set by the power meter from the sensor calibration table (if selected) and the frequency dependent offset table. Refer “Procedure” on page 72 for further information. 4 Make the measurement. Keysight N1911A/1912A User’s Guide...
Page 72 Procedure Select an offset table as follows: 1 Press, either: Tables Freq. Dep. Offset and use the keys to highlight the FDO Table Offsets setting field and press to display the table. Keysight N1911A/1912A User’s Guide...
Page 73: Figure 2-13 Frequency Dependent Offset Tables Display
Done 4 Press again to display the measurement screen. Figure 2-14 shows Done which offset table is selected. Offset Table A Selected Figure 2-14 Frequency dependent offset indicator Keysight N1911A/1912A User’s Guide...
Page 74: Editing Frequency Dependent Offset Tables
Each frequency dependent offset table can contain a maximum of 80 frequency points. To view the frequency dependent offset tables currently stored in the power meter, press . The Frequency Dependent Tables Freq. Dep. Offset Offset Tables screen is displayed as shown in Figure 2-13. Keysight N1911A/1912A User’s Guide...
Page 75: Figure 2-15 "Edit Offset" Display With Data Added
Freq. Dep. Offset 2 Choose the table you want to edit using the keys. Press Ed it Table to display the Ed it Offset screen as shown in Figure 2-15. Figure 2-15 “Edit Offset” display with data added Keysight N1911A/1912A User’s Guide...
Page 76: Figure 2-16 Edit Table Title Pop-Up
– The name must consist of no more than 12 characters. – All characters must be upper or lower case alphabetic characters, or numeric (0-9), or an underscore (_). – No other characters are allowed. – No spaces are allowed in the name. Keysight N1911A/1912A User’s Guide...
Page 77 If you measure a signal with a frequency outside the frequency range defined in NOTE the frequency dependent offset table, the power meter uses the highest or lowest frequency point in the frequency dependent offset table to calculate the offset. Keysight N1911A/1912A User’s Guide...
Page 78: Setting Measurement Averaging
P-Series power meters recognize different sensor types when they are connected, and configure suitable averaging automatically. Keysight N1911A/1912A User’s Guide...
Page 79: Procedure
7. If you have selected MAN proceed as follows: 4 Use the key to select the Meas Avg: value field. 5 Press to display the Meas Avg Count pop-up. Figure 2-18 Meas Avg Count pop-up Keysight N1911A/1912A User’s Guide...
Page 80 General Power Meter Functions 6 Use the numeric keys to enter the required value and press Enter 7 Press key to close the Channel Setup screen. Keysight N1911A/1912A User’s Guide...
Page 81: Step Detection
. On dual channel meters select the required channel. 2 Use the keys to select the Step Detect setting field. 3 Press to check the step detection to on or off. 4 Press key to close the Channel Setup screen. Keysight N1911A/1912A User’s Guide...
Page 82: Setting The Video Averaging
Video Avg setting field. 3 Press to check the video averaging to on or off. 4 Use the key to select the Video Avg: value field. 5 Press to display the Video Avg Count pop-up. Keysight N1911A/1912A User’s Guide...
Page 83: Figure 2-19 Video Avg Count Pop-Up
General Power Meter Functions Figure 2-19 Video Avg Count pop-up 6 Use the keys to highlight the required Video Avg Count value and press 7 Press key to close the Channel Setup screen. Keysight N1911A/1912A User’s Guide...
Page 84: Setting The Video Bandwidth
The Low, Medium, and High pass band shapes achieved by the video bandwidth settings provide flat filter responses with very sharp cut-off points by applying digital signal processing techniques to ensure accurate power measurement within the specified band. Keysight N1911A/1912A User’s Guide...
Page 85: Procedure
P-Series wideband power sensors. Procedure Set the video bandwidth as follows: 1 Press . On dual channel meters select the required channel. 2 Use the keys to select the Video B/W setting field. Keysight N1911A/1912A User’s Guide...
Page 86: Figure 2-21 Video Bandwidth Pop-Up
3 Press to display the Video B/W pop-up. Figure 2-21 Video bandwidth pop-up 4 Use the keys to highlight the required Video Band wid th setting and press 5 Press key to close the Channel Setup screen. Keysight N1911A/1912A User’s Guide...
Page 87: Setting Measurement Channel Gates
– Peak to average ratio: Gate 1, peak-to-average measurement – Pulse drop: Gate 3, average measurement, minus Gate 4, average measurement Gate 3 Gate 4 Trigger Gate 2 Gate 1 Figure 2-22 Example of measurement gates Keysight N1911A/1912A User’s Guide...
Page 88: Procedure
The gate start time is relative to the trigger event. Positive values set a NOTE measurement gate, to a maximum time of 1 second, after the trigger. Negative time gate start values set a measurement gate, to a maximum time of 1 second, before the trigger. Keysight N1911A/1912A User’s Guide...
Page 89: Figure 2-24 Time Gating Start Pop-Up
Time Gating Length pop-up 5 Complete the entry by pressing the required second, millisecond, or microsecond or nanosecond ( , ) softkey. s ms μs 6 Repeat this process until you have setup all the required gates. Keysight N1911A/1912A User’s Guide...
Page 90: Auto Gate
Auto Gate Settings enables the placing of markers (gates) at different positions. NOTE 2 Press softkey. The Marker 1 Ref Percentage pop-up is Gate 1 Ref 1 0.0% displayed. Figure 2-27 Marker 1 Ref Percentage pop-up Keysight N1911A/1912A User’s Guide...
Page 91: Figure 2-28 Marker 2 Ref Percentage Pop-Up
Ref 2 x PD Pulse Duration (PD) Figure 2-29 The placement of gates (markers) in Auto Gating mode Enabling the softkey allows the gates to be repositioned Perpetual Off On NOTE automatically according to the changes of pulse duration. Keysight N1911A/1912A User’s Guide...
Page 92: Setting Up The Channel Trace
Alternatively, you can use a more visual method, when in the Graphical Trace Mode (Trace Control Menu), to set the channel’s Trace Control. (See “Setting the Trace Display” on page 152). 1 Press to display the Trace Setup menu. Trace Setup Figure 2-30 Trace setup display Keysight N1911A/1912A User’s Guide...
Page 93: Figure 2-31 Trace Start Time Pop-Up
Use the keys to increase or decrease the value. Figure 2-32 X Scale/Division pop-up 7 Complete the entry by pressing: a The required second, millisecond, microsecond or nanosecond ( , s ms μs ) softkey. Keysight N1911A/1912A User’s Guide...
Page 94: Figure 2-33 Trace Units Pop-Up
Trace Maximum pop-up window. Figure 2-34 Y scale maximum value pop-up 13 Complete the entry by pressing the or the linear value. 14 Use the keys to highlight the Y Scale field. Keysight N1911A/1912A User’s Guide...
Page 95: Auto Scale
Trace Control softkey is pressed to accomplish auto scaling. Auto Scale This feature will work reliably with well behaved pulses. Modulated pulses may NOTE cause the meter to auto-scale on the details within the pulse envelope. Keysight N1911A/1912A User’s Guide...
Page 96: Setting The Trigger
Consequently, power levels within the configured time gates are random and the displayed measurement results are not valid. Trigger status Figure 2-36 Trigger menu - free run mode symbol in the upper window indicates the power meter is in free run NOTE mode. Keysight N1911A/1912A User’s Guide...
Page 97: Procedure
Rising edge source Figure 2-37 Trigger Setting Menu 1 of 2 To help you quickly check the triggering setup, the current settings for all the trigger parameters are shown with their respective softkey labels. Keysight N1911A/1912A User’s Guide...
Page 98 40 dB below the maximum sensor power. To change the setting press and use the numeric keypad to enter the required value in the Trigger Level Level pop-up window to enter the new value. Keysight N1911A/1912A User’s Guide...
Page 99: Figure 2-38 Trigger Level Pop-Up
The trigger delay time can also be entered or changed in the Trace Display mode NOTE when the Gate Control menu is displayed. See “Setting the Trace Display” page 152 for further detail. Press to display the second menu page. 1 of 2 Keysight N1911A/1912A User’s Guide...
Page 100: Figure 2-40 Trigger Setting Menu 2 Of 2
TDMA signal with non-constant amplitude modulation. Values up to 400 ms can be configured. To change the setting press and use the numeric keypad to enter the Holdoff required value in the Trigger Holdoff pop-up window to enter the new value. Keysight N1911A/1912A User’s Guide...
Page 101: Figure 2-41 Trigger Holdoff Pop-Up
To change the setting, press and use the numeric keypad to enter the Hysteresis required value in the Trigger Hysteresis pop-up window to enter the new value. Keysight N1911A/1912A User’s Guide...
Page 102: Figure 2-42 Trigger Hysteresis Pop-Up
The current setting is displayed below the label. A TTL level high is Output produced at the rear panel TRIG OUT BNC connector when the power meter is triggered when is configured. To change the setting, press to highlight as required. Output Keysight N1911A/1912A User’s Guide...
Page 103 Yes (emulated [a] Average only mode measurement is calculated based on peak measurement operation for the P-Series N1920 power sensor. Auto CAL will be temporary disabled in P-Series N1920 power sensors during NOTE power or frequency sweep. Keysight N1911A/1912A User’s Guide...
Page 104: Power Sweep Mode
This feature is applicable for 8480 Series, N8480 Series, E-Series E4410, NOTE E-Series E9300, E-Series E9320 or P-Series N1920 sensor when connected. Keysight N1911A/1912A User’s Guide...
Page 105: Figure 2-43 Trig In And Trig Out Connection Diagram Between Power Meter And Power Source
(optional connection) TRIG TRIG TRIG TRIG Power source Power meter Power sensor Figure 2-43 TRIG IN and TRIG OUT connection diagram between power meter and power source. 3 Press . The Channel Setup screen displays as below. Keysight N1911A/1912A User’s Guide...
Page 106: Figure 2-44 Channel Setup Display
General Power Meter Functions Figure 2-44 Channel Setup display When 8480 Series, N8480 Series, E-Series E4410 or E-Series E9300 sensor is NOTE connected, Sensor Mode is set to AVG only by default. Keysight N1911A/1912A User’s Guide...
Page 107: Figure 2-45 Sensor Mode Pop-Up
After triggering, the measurement is Sing Trig halted, and the symbol is displayed. You can start another measurement by pressing the key. – is a continuos trigger mode. The symbol is displayed. Cont Trig Keysight N1911A/1912A User’s Guide...
Page 108: Figure 2-46 Trigger Setting Menu 1 Of 2
, select to allow a TTL level high to be produced at the 1 of 2 Output On rear panel TRIG OUT BNC port upon the meter completed a measurement. Refer to the following note for details. Keysight N1911A/1912A User’s Guide...
Page 109 13 Send *OPC (OPeration Complete) command to meter to set the operation complete bit in the Standard Event Status register when all pending device operations are completed. 14 Set the meter to continuous trigger mode by sending INITiate:CONTinuous ON command to meter. Keysight N1911A/1912A User’s Guide...
Page 110 – SENS:DET:FUNC NORM – TRIG:SOUR EXT – SENS:BUFF:COUN 2048 Optional measurement configurations: – TRIG:DEL 1ms – TRIG:HOLD 10us – OUTP:TRIG ON – SENS:SWE1:OFFS:TIME 100us – SENS:SWE1:TIME 100us – INIT:CONT ON – *OPC – *ESR? – FETC? Keysight N1911A/1912A User’s Guide...
Page 111 Send the SCPI commands below to meter using remote interface. – SENS:DET:FUNC AVER – TRIG:SOUR EXT – SENS:BUFF:COUN 2048 Optional measurement configurations: – OUTP:TRIG ON – SENS:MRAT DOUB – SENS:AVER:COUN 128 – INIT:CONT ON – *OPC – *ESR? – FETC? Keysight N1911A/1912A User’s Guide...
Page 112: Frequency Sweep Mode
TRIG IN. See Figure 2-43. 3 Press . The Channel Setup displays as shown in Figure 2-44. When N8480 Series, E-Series E4410 or E-Series E9300 sensor is connected, NOTE Sensor Mode is set to AVG only by default. Keysight N1911A/1912A User’s Guide...
Page 113 , select to allow a TTL level high to be produced at the 1 of 2 Output On rear panel TRIG OUT BNC port upon the meter completed a measurement. Refer to note below for details. Keysight N1911A/1912A User’s Guide...
Page 114 Example of commands set: SENSe:FREQuency:STARt 10MHz SENSe:FREQuency:STOP 500MHz SENSe:FREQuency:STEP 10 The power meter can be remotely controlled by LAN, USB and GPIB (IEEE488) NOTE programming interfaces. Refer to P-Series Power Meters Installation Guide for details. Keysight N1911A/1912A User’s Guide...
Page 115 Below are examples of SCPI commands when used in normal mode. Send the SCPI commands below to meter using remote interface. – SENS:DET:FUNC NORM – TRIG:SOUR EXT – SENS:FREQ:START 50 MHz – SENS:FREQ:STOP 4 GHz – SENS:FREQ:STEP 2048 Keysight N1911A/1912A User’s Guide...
Page 116 – SENS:DET:FUNC AVER – TRIG:SOUR EXT – SENS:FREQ:START 50 MHz – SENS:FREQ:STOP 4 GHz – SENS:FREQ:STEP 2048 Optional measurement configurations: – OUTP:TRIG ON – SENS:MRAT DOUB – SENS:AVER:COUN 128 – INIT:CONT ON – *OPC – *ESR? – FETC? Keysight N1911A/1912A User’s Guide...
Page 117: Determine The Right Step To Be Set
= 5 GHz with given interval of 0.5 GHz, the Step start stop should be set to Step = f – f + Interval stop start Interval = 5 GHz – 1 GHz + 0.5 GHz 0.5 GHz Keysight N1911A/1912A User’s Guide...
Page 118: Setting Measurement Limits
+4 dBm and +10 dBm. A fail occurs each time the output power is outside these limits as shown in Figure 2-49. Amplitude Upper Limit Line Fail +10 dBm Lower Limit Line +4 dBm Fail Frequency Figure 2-49 Limits checking results Keysight N1911A/1912A User’s Guide...
Page 119: Setting Limits
2 Use the keys to highlight the Limits: setting field. 3 Press to check the Limits: setting field. 4 Use the key to highlight the Minimum Limits: value field. 5 Press to display the Minimum Limit pop-up. Keysight N1911A/1912A User’s Guide...
Page 120: Figure 2-50 Minimum Limit Pop-Up
Maximum Limit pop-up. 9 Use the numeric keys to enter the required value and press 10 Press key to close the Measurement Setup screen. The Limits can be disabled and re-enabled by checking the Limits: setting field. NOTE Keysight N1911A/1912A User’s Guide...
Page 121: Checking For Limit Failures
Figure 2-51. This measurement has failed as the result is greater than the set limit level. This measurement has failed as the result is less than the set limit level. Figure 2-51 Limit failures Keysight N1911A/1912A User’s Guide...
Page 122: Setting The Measurement Display
Pk-to-Avg Feed 2 Peak Feed 1 Average Gate 2 Pk-to-Avg Feed 2 Peak Feed 1 Average Gate 3 Pk-to-Avg Feed 2 Peak Feed 1 Average Gate 4 Pk-to-Avg Feed 2 Figure 2-52 Sixteen measurements per channel Keysight N1911A/1912A User’s Guide...
Page 123: Figure 2-53 Measurement Feed Example
16 measurement results from the 4 gates. (32 measurements from 8 gates in the dual channel N1912A). Only Feed 1 can be displayed in Single Mode. In Combined Mode, Feed 1 - Feed 2 or Feed 1 / Feed 2 can be displayed. Keysight N1911A/1912A User’s Guide...
Page 124: Numeric Format
Single Numeric Dual Numeric follows: Press to select the measurement window or measurement Meas Select line you want to configure. Selected Window/ Gate field Measurement Function field Measurement field Figure 2-54 Measurement Setup showing single configuration Keysight N1911A/1912A User’s Guide...
Page 125: Single Function Measurement
Figure 2-54 shows Gate 1 with an average measurement assigned in the upper measurement line of the lower window. (For single channel power meter (N1911A), the Channel field will be disabled, as shown in Figure 2-54). The gate field is disabled if trigger acquisition is Free Run.
Page 126: Figure 2-56 Measurement Type Pop-Up
Gating Number pop-up 9 Press to complete the entry. Enter 10 Repeat this process until you have setup all the required gates and measurements. 11 Press key to complete the setup and display the measurement results. Keysight N1911A/1912A User’s Guide...
Page 127: Combined Measurement
Combined Measurement configuration; Channel A, gate 1 peak power minus gate 3 peak power, to be displayed in the lower measurement line of the lower display window. (For single channel power meter (N1911A), the Channel field will be disabled, as shown in Figure 2-58).
Page 128: Figure 2-59 Measurement Example Display
Enter 10 Repeat this process until you have setup all the required gates and measurements. 11 Press key to complete the setup and display the measurements results. Figure 2-59 Measurement example display Keysight N1911A/1912A User’s Guide...
Page 129: Scaling The Analog Display
2 Press to display the Meter Maximum pop-up. Figure 2-60 Maximum limit pop-up 3 Use the numeric keys to enter the required value and press Keysight N1911A/1912A User’s Guide...
Page 130: Figure 2-61 Minimum Limit Pop-Up
Press these keys to select the units required Figure 2-62 Increment and decrement multiplier Use the to display the required Increment Multiplier Decrement Multiplier units. Press the units softkey ( ) to complete the entry. Keysight N1911A/1912A User’s Guide...
Page 131: Recorder Output
Ensure you have selected the channel you want to set up. NOTE 1 Press to display the Measurement Setup menus. Meas Select 2 Use the keys to highlight the Rec o/p: setting field. 3 Press to reveal the Recorder option menu. Keysight N1911A/1912A User’s Guide...
Page 132: Figure 2-63 Recorder Minimum Pop-Up
General Power Meter Functions 4 Use the keys to highlight the option you require. The N1911A has only two options, On or Off. The N1912A have three options: 1, 2 or Off. 5 Press 6 Use the key to highlight the Recorder Minimum: value field.
Page 133 1 mW. Table 2-7 Ranges of recorder output setting 100 W 10 W 100 mW 10 mW 1 mW –10 –20 –30 –40 –50 –60 100 mW 10 mW 1 mW 100 nW 10 nW 1 nW Keysight N1911A/1912A User’s Guide...
Page 134: Figure 2-65 Increment And Decrement Multiplier
Press these keys to select the units required Figure 2-65 Increment and decrement multiplier Use the to display the required Increment Multiplier Decrement Multiplier units. Press the units softkey ( ) to complete the entry. Keysight N1911A/1912A User’s Guide...
Page 135: N1911A/N1912A Option H01
General Power Meter Functions N1911A/N1912A Option H01 N1911A/N1922A Option H01 replaces the recorder output on the rear panel with NOTE video output. The video output is the direct signal output detected by the sensor diode, with no correction applied. The video output provides a DC voltage proportional to the measured input power through a BNC connector on the rear panel.
Page 136: Figure 2-67 Example Screenshot Of The Rf Multitone Waveform
General Power Meter Functions 4 Set the oscilloscope to Auto Trigger mode to capture the waveform. Figure 2-67 Example screenshot of the RF Multitone waveform Keysight N1911A/1912A User’s Guide...
Page 137: Saving And Recalling Power Meter States
Figure 2-68 Save/Recall screen 2 Using the keys, select an available name from the displayed list. To change the name of a register -See Chapter 2, “Editing a register’s name,” starting on page 138, otherwise press Save Keysight N1911A/1912A User’s Guide...
Page 138: Editing A Register's Name
3 Use keys to modify the character on which the cursor is currently positioned. 4 Use to move to other characters. 5 Use as required. Insert Char Delete Char 6 To confirm your choice press Enter Keysight N1911A/1912A User’s Guide...
Page 139: Recalling A Measurement Setup
Recalling a measurement setup 1 Press Save/Recall 2 Use the keys to select the required register and press Recall Recall key is disabled (grayed out) when an unused register is selected. Figure 2-71 Recall pop-up 3 Press Confirm Keysight N1911A/1912A User’s Guide...
Page 140: Zeroing And Calibrating The P-Series Sensor
Zeroing of the power meter is recommended: When a 5 C change in temperature occurs. Every 24 hours. Prior to measuring low level signals. For example, 10 dB above the lowest specified power for your power sensor. Keysight N1911A/1912A User’s Guide...
Page 141: Calibration
This is achieved without the need to connect it to the 1.0 mW Power Reference. The power meter can be set to automatically calibrate on-the-fly while you are using it. Alternatively, you can perform the calibration manually. The reference calibration factor is automatically set for all P-Series power sensors. Keysight N1911A/1912A User’s Guide...
Page 142: Figure 2-73 Calibration Wait Pop-Up
You can reduce the steps required to carry out the manual zero and calibration procedure as follows: Press . (For dual channel meters, press Zero + Cal Zero + Cal as required). Zero + Cal A Zero + Cal B Keysight N1911A/1912A User’s Guide...
Page 143: Zero/Cal Lockout
The Zero/Cal Lockout configuration is applied to both channels - it cannot be applied to one channel only. You can enable and disable the Zero/Cal Lockout facility from the System menu or the Cal menu as follow: Press 1 of 2 Must Cal Off Similarly, Keysight N1911A/1912A User’s Guide...
Page 144 General Power Meter Functions press 1 of 2 Must Cal Off Keysight N1911A/1912A User’s Guide...
Page 145: Presetting The Power Meter
The remote addresses, the data stored in the sensor calibration tables, the calibration table selected, and the zeroing and calibration data are not affected by a preset. For presetting with E-Series E9320 power sensors, refer to Table 2-8. Keysight N1911A/1912A User’s Guide...
Page 146 E9321A/E9322A/E9323A/E9325A/E9326A/E9327A 802.11a Not applicable 802.11b/g Not applicable 1*EV-DO E9321A/E9322A/E9323A/E9325A/E9326A/E9327A 1*EV-DV E9321A/E9322A/E9323A/E9325A/E9326A/E9327A TD-SCDMA E9321A/E9322A/E9323A/E9325A/E9326A/E9327A E9323A/E9327A HyperLan2 Not applicable WIMAX E9323A/E9327A HSDPA E9323A/E9327A E9323A/E9327A DME-PRT E9323A/E9327A E9323A/E9327A For all preset states, total of two windows are displayed. NOTE Keysight N1911A/1912A User’s Guide...
Page 147: Setting The Cable Short/Long
General Power Meter Functions Setting the Cable Short/Long When connecting the power sensor with any Keysight power sensor cable with length of 10 m (32 ft) and above, you are required to change the cable setting from Short (default setting) to Long, or an error will occur when the power sensor is connected.
Page 148 General Power Meter Functions Keysight N1911A/1912A User’s Guide...
Page 149 Keysight N1911A/1912A P-Series Power Meters User’s Guide Using P-Series Power Sensor Introduction Configuring a Power Measurement Setting the Trace Display This chapter describes how to use your P-Series power sensors (N1921A, N1922A, N1923A , N1924A ) with your P-Series power meters.
Page 150: Using P-Series Power Sensor
[1] The term video is applied to a signal that has been amplitude demodulated from an RF carrier, but contains components in the RF part of the spectrum. For a power meter it refers to the output of the sensor diodes. Keysight N1911A/1912A User’s Guide...
Page 151: Configuring A Power Measurement
– The Center Frequency (CF) – The bandwidth of any modulating signal – The expected maximum and minimum power levels – Timing information for any pulsed signals Keysight N1911A/1912A User’s Guide...
Page 152: Setting The Trace Display
6 When you are satisfied with the configuration you may want to save it for future use. See “Saving and Recalling Power Meter States” on page 137 for further information. Keysight N1911A/1912A User’s Guide...
Page 153: Step 1. Connecting The Power Sensor
Figure 3-1 P-Series sensor default channel setup By default the sensor mode is set to Normal, users are allowed to change to AVG NOTE only mode whereby all the peak power measurement functions will be disabled. Keysight N1911A/1912A User’s Guide...
Page 154: Step 3. Setting The Trigger
Step 4. Setting the display to trace Using trace display provides a visual representation of the signal of interest. Press to display the Trace window. Disp Type Trace Figure 3-2 Trace display in dual channel power meter Keysight N1911A/1912A User’s Guide...
Page 155: Step 5. Expanding The Trace Display
When you alter a parameter in another menu, you are returned to a two window NOTE display. Use the , or keys to highlight the trace measurement window and use the key to enlarge the display. Keysight N1911A/1912A User’s Guide...
Page 156: Gate Control In A Single Enlarged Window
87. However, the following sections are to give you an overview of the control and their impact on the displayed results. Gate 1 active Active marker Marker 1 active Figure 3-4 Trace display with gate control menu Keysight N1911A/1912A User’s Guide...
Page 157 A negative time value indicates a measurement before the trigger point. (See Figure 3-4). Gate timing parameters are all related to your chosen trigger point. This may be NOTE different from the timing of the triggering event if you have configured a trigger delay. Keysight N1911A/1912A User’s Guide...
Page 158: Figure 3-5 Trace Display With Trigger Delay Menu
The trigger delay value is shown below the softkey. You configure the Trig Delay trigger delay by pressing and entering a numeric value in the pop-up Trig Delay window. Pressing highlights to display the trace markers again. Select Mrks Keysight N1911A/1912A User’s Guide...
Page 159: Figure 3-6 Trace Display With Trace Control Menu
The eight measurements are rise time, fall time, time to positive occurrence, time to negative occurrence, pulse width, pulse period (pulse repetitive interval), pulse repetitive frequency and duty cycle. The current settings of the X and Y scale are displayed on the reporting line above both tables. Keysight N1911A/1912A User’s Guide...
Page 160: Viewing The Results In A Full Screen Window
Single Enlarged Window mode. The Gate Meas current settings of the X and Y scale are displayed on the reporting line above the results. You need to toggle the key to allow the softkeys to be displayed. Keysight N1911A/1912A User’s Guide...
Page 161: Figure 3-7 Trace Display In Full Screen
Using P-Series Power Sensor Pulse period Scale settings Rising edge Pulse repetitive frequency Duty cycle Pulse width Falling edge Figure 3-7 Trace display in full screen Keysight N1911A/1912A User’s Guide...
Page 162: Improving The Accuracy With Additional Settings
For further detail on these settings, refer to the appropriate sections. Meas Avg “Setting Measurement Averaging” on page 78 Video Avg “Setting the Video Averaging” on page 82 Step Detec “Step Detection” on page 81 Video B/W “Setting the Video Bandwidth” on page 84 Keysight N1911A/1912A User’s Guide...
Page 163: Figure 3-9 Channel Offset Display
Hence, this ensures that the gates you have set up are capturing the required signal information. See “Setting the Trigger” on page 96 for further information. Keysight N1911A/1912A User’s Guide...
Page 164 P-Series sensor, refer to “Numeric format” on page 124 for more details. Analog If you need to configure the analog format when using a P-Series sensor refer to “Scaling the Analog Display” on page 129 for more details. Keysight N1911A/1912A User’s Guide...
Page 165 Keysight N1911A/1912A P-Series Power Meters User’s Guide Using E9320 E-Series Power Sensors Introduction Power Meter Configuration Configuring a Peak Power Measurement Measurement Accuracy Setting the Trace Display This chapter describes how to use your E9320 E-Series power sensors with P-Series power meter.
Page 166: Using E9320 E-Series Power Sensors
5 MHz E9327A [a] The Low, Medium, and High settings provide flat filter responses with very sharp cutoff points by applying digital signal processing techniques. The Off setting removes all signal conditioning. Refer to Figure 4-1. Keysight N1911A/1912A User’s Guide...
Page 167: Figure 4-1 Bandwidth Filter Shapes
E9323A and E9327A power sensors Amplitude E9323A and E9327A sensors -3.5 dB Approx 300 kHz 1.5 MHz 5 MHz Frequency Meter B/W setting High Figure 4-1 Band width Filter Shapes Keysight N1911A/1912A User’s Guide...
Page 168: Power Meter Configuration
Default Channel Setup When an E-Series E9320 power sensor is connected the following Channel Setup is automatically configured. Carrying out a Preset returns the power meter to this configuration. Figure 4-2 E–Series E9320 power sensor default channel setup Keysight N1911A/1912A User’s Guide...
Page 169: Configuring A Peak Power Measurement
If pulsed signal timing information is unavailable or incomplete, you may prefer to use the trace and marker functions to configure your measurement. You must select continuous or single triggered mode to enable the use of trace NOTE markers. Keysight N1911A/1912A User’s Guide...
Page 170: Measurement Accuracy
The Zeroing pop-up is Zero displayed. 3 Connect the power sensor to the POWER REF output. 4 Press and the channel softkey to start the calibration routine. The Calibrating pop-up is then displayed. Keysight N1911A/1912A User’s Guide...
Page 171: Figure 4-3 Frequency Pop-Up
5 Confirm your choice by pressing 6 Press key to close the Channel Setup screen. Now make the measurement. 7 Connect the power sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1911A/1912A User’s Guide...
Page 172: Setting The Trace Display
6 When you are satisfied with the configuration you may want to save it for future use. See “Saving and Recalling Power Meter States” on page 137 for further information. Keysight N1911A/1912A User’s Guide...
Page 173: Step 1. Connecting The Power Sensor
Acqn Cont Trig When you have completed the procedure you may return to the Trigger menu later to add more accuracy to the remaining trigger parameters, to help you achieve a stable and reliable trigger. Keysight N1911A/1912A User’s Guide...
Page 174: Step 4. Setting The Display To Trace
Step 4. Setting the display to trace Using trace display provides a visual representation of the signal of interest. – Press to display the Trace the highlighted window. Disp Type Trace Figure 4-5 Trace display in dual channel power meter Keysight N1911A/1912A User’s Guide...
Page 175: Step 5. Expanding The Trace Display
When you alter a parameter in another menu, you are returned to a two window NOTE display. Use the , or keys to highlight the trace measurement window and use the key to enlarge the display. Keysight N1911A/1912A User’s Guide...
Page 176: Gate Control In A Single Enlarged Window
87. However, the following sections are to give you an overview of the control and their impact on the displayed results. Gate 1 active Active marker Marker 1 active Figure 4-7 Trace display with gate control menu Keysight N1911A/1912A User’s Guide...
Page 177: Figure 4-8 Trace Display With Trigger Delay Menu
Gate timing parameters are all related to your chosen trigger point. This may be NOTE different from the timing of the triggering event if you have configured a trigger delay. Trigger delay value Figure 4-8 Trace display with trigger delay menu Keysight N1911A/1912A User’s Guide...
Page 178 Delay Trace Control Press to display the Trace Control menu. Setting the trace features Trace Control are described in greater details in “Setting up the Channel Trace” on page 92. Keysight N1911A/1912A User’s Guide...
Page 179: Figure 4-9 Trace Display With Trace Control Menu
If you want to view the trace in linear mode, the Trace Setup is the only location NOTE where you can change the Y-scale units from ; otherwise the Watts default unit is in logarithmic. Keysight N1911A/1912A User’s Guide...
Page 180: Viewing The Results In A Full Screen Window
You need to toggle the key to allow the softkeys to be displayed. Pulse period Scale settings Rising edge Pulse repetitive frequency Falling edge Pulse width Duty cycle Figure 4-10 Trace display in full screen Keysight N1911A/1912A User’s Guide...
Page 181: Improving The Accuracy With Additional Settings
For further detail on these settings, refer to the appropriate sections. Meas Avg “Setting Measurement Averaging” on page 78 Video Avg “Setting the Video Averaging” on page 82 Step Detec “Step Detection” on page 81 Video B/W “Setting the Video Bandwidth” on page 84 Keysight N1911A/1912A User’s Guide...
Page 182: Figure 4-12 Channel Offset Display
Hence, this ensures that the gates you have set up are capturing the required signal information. See “Setting the Trigger” on page 96 for further information. Keysight N1911A/1912A User’s Guide...
Page 183 P-Series sensor, refer to “Numeric format” on page 124 for more details. Analog If you need to configure the analog format when using a P-Series sensor refer to “Scaling the Analog Display” on page 129 for more details. Keysight N1911A/1912A User’s Guide...
Page 184 Using E9320 E-Series Power Sensors THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1911A/1912A User’s Guide...
Page 185 Keysight N1911A/1912A P-Series Power Meters User’s Guide Using E9300 E-Series Power Sensors Introduction Power Meter Configuration Measurement Accuracy Measuring Spread Spectrum and Multitone Signals Measuring TDMA Signals Electromagnetic Compatibility (EMC) Measurements Measurement Accuracy and Speed This chapter describes how to use your E9300 E-Series power sensors with...
Page 186: Using E9300 E-Series Power Sensors
They are ideally suited to the average power measurement of multi-tone and spread spectrum signals such as CDMA, W-CDMA and digital television formats. Please refer to the documentation supplied with your E-Series E9300 power sensor for specification and calibration information. Keysight N1911A/1912A User’s Guide...
Page 187: Power Meter Configuration
These values are valid only for the power meter channel connected with E-Series NOTE E9300 power sensor. You can also configure the settings manually – refer to “Achieving stable results with TDMA signals” on page 195 if required. Keysight N1911A/1912A User’s Guide...
Page 188: Default Channel Setup
Default Channel Setup When an E-Series E9300 power sensor is connected the following Channel Setup is automatically configured. Carrying out a Preset returns the power meter to this configuration. Figure 5-2 E9300 E-Series sensor default channel setup Keysight N1911A/1912A User’s Guide...
Page 189: Measurement Accuracy
E9301A These power sensors connect directly to the POWER REF. E9301H E9304A E9300B These power sensors are configured with an attenuator. Prior to calibration this E9301B attenuator must be removed. Replace the attenuator before making measurements. Keysight N1911A/1912A User’s Guide...
Page 190: Procedure
. On dual channel meters select the required channel. 6 Use the keys to highlight the Frequency value field and press to display the Frequency pop-up. Use the numeric keypad to enter the required value in the Frequency pop-up window. Keysight N1911A/1912A User’s Guide...
Page 191 8 Press key to close the Channel Setup screen. Now make the measurement. 9 Reconnect any required attenuators or adaptors and connect the power sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1911A/1912A User’s Guide...
Page 192: Measuring Spread Spectrum And Multitone Signals
4A power sensors can measure +20 dBm average power even in the presence of +13 dB peaks but the peak pulse duration must be less than 10 microseconds. For high power applications, such as base-station testing, the E9300/1B and E9300/ 1H are recommended. Keysight N1911A/1912A User’s Guide...
Page 193: Cdma Signal Measurements
Wideband CDMA error of E-Series E9300 power sensor versus corrected CW sensor. Lower Range Error Upper Range Error 0.05 -0.05 -0.1 -0.15 -0.2 (E9300 E-Series power Power (dBm) sensor only shown) Figure 5-6 CDMA (IS-95A): 9Ch Fwd Keysight N1911A/1912A User’s Guide...
Page 194: Multitone Signal Measurements
Typical Upper Range 100 % Calibration Factor 95 % 90 % Frequency (GHz) 110 % 105 % Typical Lower Range 100 % Calibration Factor 95 % 90 % Frequency (GHz) Figure 5-7 Calibration factors versus frequency Keysight N1911A/1912A User’s Guide...
Page 195: Measuring Tdma Signals
The chopper-amplifier technique provides noise immunity and allows large physical distances between power sensor and power meter (Keysight 11730 Series cables available up to 61 metres). Additional averaging helps reduce noise susceptibility.
Page 196: Achieving Stable Results With Gsm Signals
Length Experimentally, a setting of 148 gives optimum results although settings in the order of 31 or 32 give acceptable results if a faster measurement is required. Keysight N1911A/1912A User’s Guide...
Page 197: Electromagnetic Compatibility (Emc) Measurements
However, the presence of any dc voltages mixed with the signal has an adverse effect on the accuracy of the power measurement. E9304A sensor is DC coupled. DC voltages in excess of the maximum value CAUTION (5 Vdc) can damage the sensing diode. Keysight N1911A/1912A User’s Guide...
Page 198: Measurement Accuracy And Speed
The power meter has no internal ranges. The only ranges you can set are those of the E9300 E-Series power sensors (and other Keysight Technologies E-Series power sensors). With an E-Series E9300 power sensor the range can be set either automatically or manually.
Page 199: Measurement Considerations
For example, using an E9300/1/4A sensor, where the range switch point is –10 ± 0.5 dBm in a pulsed signal configured as follows: Characteristic Value Peak Amplitude –6 dBm Duty Cycle The calculated average power is –12 dBm. Keysight N1911A/1912A User’s Guide...
Page 200 Attention must be paid to signals whose average power levels are in the low power path range whilst their peaks are in the high power path range. You can achieve best accuracy by selecting the high power path or best speed by selecting the low power path. Keysight N1911A/1912A User’s Guide...
Page 201 Keysight N1911A/1912A P-Series Power Meters User’s Guide Using E4410 E-Series Power Sensors Introduction Power Meter Configuration Measurement Accuracy This chapter describes how to use your E4410 E-Series power sensors with P-Series power meter.
Page 202: Using E4410 E-Series Power Sensors Introduction
Multi-tone signals (containing multiple frequency components), or signals with significant harmonic content (> –45 dBc) may introduce measurement errors at high power levels. Please refer to the documentation supplied with your E-Series E4410 power sensor for specification and calibration information. Keysight N1911A/1912A User’s Guide...
Page 203: Power Meter Configuration
10 dB Minimum Sensor Power Figure 6-1 E-Series CW sensor auto-averaging settings These values are valid only for the power meter channel connected with E-Series NOTE E4410 power sensor. Averaging settings can also be manually configured. Keysight N1911A/1912A User’s Guide...
Page 204: Default Channel Setup
Default Channel Setup When an E-Series E4410 power sensor is connected the following Channel Setup is automatically configured. Carrying out a Preset returns the channel to this configuration. Figure 6-2 E-Series E4410 sensor default channel setup Keysight N1911A/1912A User’s Guide...
Page 205: Measurement Accuracy
The Zeroing pop-up is Zero displayed. 3 Connect the power sensor to the POWER REF output. 4 Press and the channel softkey to start the calibration routine. The Calibrating pop-up is then displayed. Keysight N1911A/1912A User’s Guide...
Page 206: Figure 6-3 Frequency Pop-Up
7 Confirm your choice by pressing 8 Press key to close the Channel Setup screen. Now make the measurement. 9 Connect the power sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1911A/1912A User’s Guide...
Page 207 Keysight N1911A/1912A P-Series Power Meters User’s Guide Using 8480 Series Power Sensors Introduction Power Meter Configuration Measurement Accuracy Frequency Specific Calibration Factors Sensor Calibration Tables This chapter describes how to use your 8480 Series power sensors with P-Series power meter.
Page 208: Introduction
Likewise, they cannot be used to make peak or time gated measurements. Please refer to the documentation supplied with your Keysight 8480 Series power sensors for specification and calibration information. Keysight N1911A/1912A User’s Guide...
Page 209: Power Meter Configuration
10 dB Minimum Sensor Power Figure 7-1 8480 Series auto-averaging settings These values are valid only for the power meter channel connected with NOTE Keysight 8480 Series power sensors. Averaging settings can also be manually configured. Keysight N1911A/1912A User’s Guide...
Page 210: Default Channel Setup
These power sensors connect directly to the POWER REF. 8482A 8482H Prior to calibration, a Keysight 11708A 30 dB reference attenuator should be connected 8481D between the power sensor and the POWER REF. Remove this attenuator from the power 8484A sensor input before making measurements.
Page 211 8485A connect to the POWER REF.Remove this adapter before making measurements. Prior to calibration, a Keysight 11708A 30 dB reference attenuator and an APC 3.5 (f) to 50 Ω (m) N-Type adapter (08485-60005) should be connected between the power 8485D sensor and the POWER REF.
Page 212: Measurement Accuracy
However, if you are making measurements on a wide range of signal frequencies, a sensor table is more effective as you only need to enter the frequency of the signal you are measuring. The power meter automatically selects and applies the calibration factor from the selected table. Keysight N1911A/1912A User’s Guide...
Page 213: Frequency Specific Calibration Factors
4 To change the settings, press the channel . The reference calibration REF CF factor pop up window is displayed as shown in Figure 7-3. Use the numeric keypad to enter the required value in the Ref Cal Factor pop-up menu. Keysight N1911A/1912A User’s Guide...
Page 214: Figure 7-3 Reference Calibration Factor Pop-Up Window
Now set the sensor calibration factor for the frequency of the signal you want to measure. 9 Check the current reference calibration factor setting by pressing . The value is displayed on the Cal Fac field. Offset Keysight N1911A/1912A User’s Guide...
Page 215: Figure 7-4 Calibration Factor Pop-Up Window
Calibration factor pop-up window 11 Press to complete the entry. 12 Connect the power sensor to the signal to be measured. 13 The corrected measurement result is displayed. Calibration factor Figure 7-5 Calibration factor display Example Keysight N1911A/1912A User’s Guide...
Page 216 – The corrected measurement result is displayed. When no sensor tables are selected and display mode is Single Numeric NOTE chosen, the calibration factor used for the measurement is displayed in the upper window as shown in Figure 7-5. Keysight N1911A/1912A User’s Guide...
Page 217: Sensor Calibration Tables
9 predefined sensor calibration tables plus a “100%” default table. The data in these tables is based on statistical averages for a range of Keysight Technologies power sensors. Your own sensor will most likely differ from the typical to some degree.
Page 218: Procedure
Table NOTE (grayed out). 3 Press to complete the selection of the calibration factor table. Done 4 Press again to display the measurement screen. Figure 7-7 shows which Done offset table is selected. Keysight N1911A/1912A User’s Guide...
Page 219: Figure 7-7 Frequency Dependent Offset Indicator
NOTE the sensor table identifier is displayed in the upper window. Also, pressing Offset displays the frequency you entered and calibration factor for each channel derived from the selected sensor tables. Keysight N1911A/1912A User’s Guide...
Page 220: Figure 7-8 Frequency/Calibration Table Display
Using 8480 Series Power Sensors Figure 7-8 Frequency/calibration table display Keysight N1911A/1912A User’s Guide...
Page 221: Editing/Generating Sensor Calibration Tables
[a] DEFAULT is a sensor calibration table where the reference calibration factor and calibration factors are 100%. This sensor calibration table can be used during the performance testing of the power meter. [b] The Keysight 8482B and Keysight 8482H power sensors use the same data as the Keysight 8482A. Keysight N1911A/1912A User’s Guide...
Page 222: Figure 7-9 "Sensor Tbls" Screen
Sensor Tbls screen. Sensor Cal Tables Figure 7-9 “Sensor Tbls” screen 2 Choose the table you want to edit using the keys. Press Ed it Table to display the Ed it Cal screen as shown in Figure 7-10. Keysight N1911A/1912A User’s Guide...
Page 223: Figure 7-10 "Edit Cal" Display
Figure 7-11 Edit table title pop-up – Pressing adds a new character to the right of the selected Insert Char character. – Pressing removes the selected character. Delete Char 4 Press to complete the entry. Enter Keysight N1911A/1912A User’s Guide...
Page 224 If you measure a signal with a frequency outside the frequency range defined in the sensor calibration table, the power meter uses the highest or lowest frequency point in the sensor calibration table to calculate the offset. Keysight N1911A/1912A User’s Guide...
Page 225: Pre-Installed Calibration Table Contents
12.4 GHz 99.1 10 MHz 98.5 13 GHz 98.9 30 MHz 98.1 14 GHz 99.4 100 MHz 97.6 15 GHz 98.9 300 MHz 97.5 16 GHz 99.1 1 GHz 17 GHz 98.4 2 GHz 18 GHz 100.1 Keysight N1911A/1912A User’s Guide...
Page 226: Figure 5-2
8 GHz 98.3 35 GHz 97.6 10 GHz 98.1 36 GHz 11 GHz 97.8 37 GHz 98.2 12 GHz 97.6 38 GHz 97.4 12.4 GHz 97.6 39 GHz 97.6 14 GHz 97.4 40 GHz 16 GHz Keysight N1911A/1912A User’s Guide...
Page 227 44 GHz 88.7 29 GHz 94.4 45 GHz 88.2 30 GHz 46 GHz 31 GHz 93.7 47 GHz 86.4 32 GHz 93.8 48 GHz 85.3 33 GHz 49 GHz 84.7 34 GHz 93.2 50 GHz 82.9 Keysight N1911A/1912A User’s Guide...
Page 228 Using 8480 Series Power Sensors THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1911A/1912A User’s Guide...
Page 229 Keysight N1911A/1912A P-Series Power Meters User’s Guide Using N8480 Series Power Sensors Introduction Power Meter Configuration Changes Default Channel Setup N8480 Series Sensors Connection Requirements N8480 Series Power Sensors (excluding Option CFT) N8480 Series Power Sensors with Option CFT This chapter describes how to use your N8480 Series power sensors with P-Series...
Page 230: Using N8480 Series Power Sensors
Meanwhile, the N8480 sensors with Option CFT only measure power levels from –35 dBm to +20 dBm (1 µW to 100 mW) in single range. [1] The calibration factor table stored in the EEPROM is not applicable for N8480 Series sensors with Option CFT. Keysight N1911A/1912A User’s Guide...
Page 231: Using N8480 Series Power Sensors
– H-models (–15 dBm to +35 dBm) N8481H and N8482H – Waveguide-models (–35 dBm to +20 dBm) N8486AQ and N8486AR Please refer to the documentation supplied with your Keysight N8480 Series power sensors for specification and calibration information. Keysight N1911A/1912A User’s Guide...
Page 232: Power Meter Configuration Changes
–10 dBm Minimum Sensor Power Figure 8-1 Auto-averaging settings These values are valid only for the power meter channel connected to a Keysight NOTE N8480 Series power sensor. Averaging settings can also be manually configured. Refer to “Setting Measurement Averaging”...
Page 233: Default Channel Setup
When a N8480 Series power sensor is connected, the following Channel Setup is automatically configured. carrying out a Preset returns the channel to this configuration. Figure 8-2 N8480 Series sensor (excluding Option CFT) default channel setup Figure 8-3 N8480 Series sensor with Option CFT default channel setup Keysight N1911A/1912A User’s Guide...
Page 234: N8480 Series Sensors Connection Requirements
N8486AQ N-Type connector to calibrate the power meter. This sensor requires an APC 2.4 (f) to 50 Ω (m) N-Type adapter N8487A (08487-60001) to connect to the POWER REF. Remove this adapter N8488A before making measurements. Keysight N1911A/1912A User’s Guide...
Page 235: N8480 Series Power Sensors (Excluding Option Cft)
The Zeroing pop-up is Zero displayed. 4 Connect the power sensor to the POWER REF output. 5 Press and the channel softkey to start the calibration routine. The Calibrating pop-up is then displayed. Keysight N1911A/1912A User’s Guide...
Page 236: Figure 8-4 Frequency Pop-Up
8 Confirm your choice by pressing 9 Press key to close the Channel Setup screen. Now make the measurement. 10 Connect the power sensor to the signal to be measured. The corrected measurement result is displayed. Keysight N1911A/1912A User’s Guide...
Page 237: N8480 Series Power Sensors With Option Cft
Using this method requires the following steps: 1 Zero and calibrate the power meter/sensor combination. 2 Set the calibration factor value for the frequency of the signal you want to measure. 3 Make the measurement Keysight N1911A/1912A User’s Guide...
Page 238: Figure 8-5 Reference Calibration Factor Pop-Up Window
The Zeroing pop-up is Zero displayed. 7 Connect the power sensor to the POWER REF output. 8 Press and the channel softkey to start the calibration routine. The Calibrating pop-up is then displayed. Keysight N1911A/1912A User’s Guide...
Page 239: Figure 8-6 Calibration Factor Pop-Up Window
Cal Factor pop-up window. Figure 8-6 Calibration factor pop-up window 11 Press to complete the entry. 12 Connect the power sensor to the signal to be measured. 13 The corrected measurement result is displayed. Keysight N1911A/1912A User’s Guide...
Page 240: Figure 8-7 Calibration Factor Displayed
– Connect the power sensor to the POWER REF output. – Press and the channel softkey to start the calibration routine. The Calibrating pop-up is then displayed. – Press . The value is displayed on the Cal Fac field. Offset Keysight N1911A/1912A User’s Guide...
Page 241 – The corrected measurement result is displayed. When no sensor tables are selected and display mode is Single Numeric NOTE chosen, the calibration factor used for the measurement is displayed in the upper window as shown in Figure 8-7. Keysight N1911A/1912A User’s Guide...
Page 242: Sensor Calibration Tables
9 predefined sensor calibration tables plus a “100%” default table. The data in these tables is based on statistical averages for a range of Keysight Technologies power sensors. Your own sensor will most likely differ from the typical to some degree.
Page 243: Selecting A Sensor Calibration Table
CF Table setting field and press to display the table. Procedure Select sensor calibration table as follows: 1 Press Tables Sensor Cal Tables 2 Use the keys to highlight one of the 20 table titles and press Table to highlight Keysight N1911A/1912A User’s Guide...
Page 244: Figure 8-8 Sensor Table Selected
Figure 8-9 shows which Done offset table is selected. Sensor Table 2 selected Figure 8-9 Frequency dependent offset indicator 5 To change the frequency, press and use the keys to highlight the Frequency field. Keysight N1911A/1912A User’s Guide...
Page 245: Figure 8-10 Frequency/Calibration Table Display
NOTE the sensor table identifier is displayed in the upper window. Also, pressing Offset displays the frequency you entered and calibration factor for each channel derived from the selected sensor tables. Figure 8-10 Frequency/calibration table display Keysight N1911A/1912A User’s Guide...
Page 246: Editing/Generating Sensor Calibration Tables
[a] DEFAULT is a sensor calibration table where the reference calibration factor and calibration factors are 100%. This sensor calibration table can be used during the performance testing of the power meter. [b] The Keysight 8482B and Keysight 8482H power sensors use the same data as the Keysight 8482A. Keysight N1911A/1912A User’s Guide...
Page 247: Figure 8-11 "Sensor Tbls" Screen
Sensor Tbls screen. Sensor Cal Tables Figure 8-11 “Sensor Tbls” screen 2 Choose the table you want to edit using the keys. Press Ed it Table to display the Ed it Cal screen as shown in Figure 8-12. Keysight N1911A/1912A User’s Guide...
Page 248: Figure 8-12 "Edit Cal" Display
Name pop-up to create the name you want to use. Figure 8-13 Edit table title pop-up Insert Char Pressing adds a new character to the right of the selected character. Pressing removes the selected character. Delete Char 4 Press to complete the entry. Enter Keysight N1911A/1912A User’s Guide...
Page 249 If you measure a signal with a frequency outside the frequency range defined in the sensor calibration table, the power meter uses the highest or lowest frequency point in the sensor calibration table to calculate the offset. Keysight N1911A/1912A User’s Guide...
Page 250 Using N8480 Series Power Sensors THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1911A/1912A User’s Guide...
Page 251 Keysight N1911A/1912A P-Series Power Meters User’s Guide Complementary Cumulative Distribution Function (CCDF) Introduction Setting the CCDF Table This chapter describes the CCDF feature of the P-Series power meter.
Page 252: Complementary Cumulative Distribution Function (Ccdf)
CCDF curves apply to many design applications. Some of these applications are: – Visualizing the effects of modulation formats. – Combining multiple signals via system’s components (for example, amplifiers). – Evaluating spread-spectrum systems. – Designing and testing RF components. Keysight N1911A/1912A User’s Guide...
Page 253: Setting The Ccdf Table
CCDF is only allowed in Free Run mode, it cannot be used in Triggered mode. NOTE CCDF is only applicable to P-Series wideband power sensors (N192xA family). Windowed CCDF table The CCDF table is shown in windowed format by default. Figure 9-1 CCDF table in windowed display Keysight N1911A/1912A User’s Guide...
Page 254: Expanded Ccdf Table
The mode can be set by pressing Mode Single Cont The minimum elapsed count is 100 M, while the maximum is 10 G. NOTE Statistical Settings can also be accessed in Marker Ctrl menu. NOTE Keysight N1911A/1912A User’s Guide...
Page 255: Full Screen Ccdf Table
Complementary Cumulative Distribution Function (CCDF) Full Screen CCDF table Press twice for a full-screen view of the CCDF table. Figure 9-3 CCDF table in full-screen display Keysight N1911A/1912A User’s Guide...
Page 256: Setting The Ccdf Trace
The trace which is not selected is grayed out, as in Figure 9-4. Figure 9-4 Trace Display Select control menu Yellow - Channel A, Red - Channel B, Turquoise - Gaussian and Pink - Reference. NOTE Keysight N1911A/1912A User’s Guide...
Page 257: Figure 9-5 Ccdf Trace Display With Marker Trace Menu
CCDF trace display with Marker Trace menu – Press to return to the Marker Ctrl menu. – Press to select the marker. Marker 1 2 – Press to move the marker to get to the required location. Keysight N1911A/1912A User’s Guide...
Page 258 – You are allowed to optimize the view of the trace by setting the appropriate scale/div. The lowest limit is 0.1 dB while the highest limit is 50 dB. A warning message will appear if the lower or upper limit has been exceeded. Keysight N1911A/1912A User’s Guide...
Page 259: Figure 9-6 Scale/Div Pop-Up
Channel B into the volatile memory of the power meter. – Press under the menu to retrieve the stored trace. Reference Trace Display Figure 9-7 Selection of CCDF trace to be stored as a reference trace Keysight N1911A/1912A User’s Guide...
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Page 261: Maintenance
Keysight N1911A/1912A P-Series Power Meters User’s Guide Maintenance Self Test Error Messages Operator Maintenance Contacting Keysight Technologies Erasing Memory Data Returning Your Power Meter for Service This chapter describes the built in tests, error messages and general maintenance.
Page 262: Self Test
Error List Front panel selection of Self Tests Press to access the Sel f Test menu 1 of 2 Service Sel f Test consisting of the following: – Instrument Self Test – Keyboard – Bitmaps Displays Keysight N1911A/1912A User’s Guide...
Page 263: Instrument Self Test
Figure 10-1 Self test complete When the test is complete, the result is displayed. Press to return to the Done Service menu. If the self test failed, information about the failure is displayed on the screen. Keysight N1911A/1912A User’s Guide...
Page 264: Remote Testing
266 for more details. This test confirms that the internal cooling fan is operating. Calibrator The reference calibrator is turned on (indicated by the POWER REF LED) and measured internally. A pass or fail result is returned. Keysight N1911A/1912A User’s Guide...
Page 265 If the expected voltages are measured, a pass is recorded, otherwise a fail is recorded. The three circuits tested are the LCD contrast control, the LED brightness control, and the display temperature sensing diode. Keysight N1911A/1912A User’s Guide...
Page 266: Error Messages
Error indicator Figure 10-2 Error indicator position To read the error queue from the front panel: – Press and use to scroll through 1 of 2 Service Error List Next each error message. Keysight N1911A/1912A User’s Guide...
Page 267 1 of 2 Service Error List Clear Errors To delete all the errors in the queue remotely use: – the *CLS (clear status) command. The error queue is also cleared when the instrument power has been switched off. Keysight N1911A/1912A User’s Guide...
Page 268: Error Message List
An invalid character was found in the number specified for a parameter value. For example, SENS:AVER:COUN 128#H. Exponent too large – A numeric parameter was found whose exponent was larger than 32,000. For example, SENS:COUN 1E34000. Keysight N1911A/1912A User’s Guide...
Page 269 A legal block data element was encountered but not allowed by the power meter at this point. For example, SYST:LANG #15FETC?. Expression data not allowed – A legal expression data was encountered but not allowed by the power meter at this point. For example, SYST:LANG (5+2). Keysight N1911A/1912A User’s Guide...
Page 270 This occurs when a FETC? is attempted and either a reset has been received or the power meter state has – changed such that the current measurement is invalidated (for example, a change of frequency setting or triggering conditions). Keysight N1911A/1912A User’s Guide...
Page 271 Power meter calibration failed on Channel B. The most likely cause is attempting to calibrate without applying a 1 mW power to the power sensor. Data questionable;Input Overload – The power input to Channel A exceeds the power sensor’s maximum range. Keysight N1911A/1912A User’s Guide...
Page 272 System error;Sensor EEPROM Read Completed OK but optional data block(s) not found or unreadable – This indicates a failure with your E-Series or N8480 Series power sensor. Refer to your power sensor manual for details on returning it for repair. Keysight N1911A/1912A User’s Guide...
Page 273 The serial port receiver has detected a parity error and consequently, data integrity cannot be guaranteed. Framing error in program – The serial port receiver has detected a framing error and consequently, data integrity cannot be guaranteed. Keysight N1911A/1912A User’s Guide...
Page 274 A command was received which generates too much data to fit in the output buffer and the input buffer is also full. Command execution continues but data is lost. Query UNTERMINATED after indefinite response – The *IDN? command must be the last query command within a command string. Keysight N1911A/1912A User’s Guide...
Page 275: Operator Maintenance
For all voltages the power meter uses a 250 V, F3.15 AH, 20 mm fast blow fuse with high breaking capacity (Keysight part number 2110-0957). The power meter also has an internal fuse. If you suspect that this fuse needs to NOTE be replaced, it must be done by trained service personnel.
Page 276: Figure 10-3 Replacing The Fuse
Maintenance In-line fuse Spare fuse Figure 10-3 Replacing the fuse Keysight N1911A/1912A User’s Guide...
Page 277: Contacting Keysight Technologies
Technologies. This chapter contains a checklist that will help identify some of the most common problems. If you wish to contact Keysight Technologies about any aspect of the power meter, from service problems to ordering information, refer to “Sales and Technical Support”...
Page 278: Instrument Serial Numbers
Version – from the serial number label. The serial number label is attached to the rear of each Keysight Technologies instrument. This label has two instrument identification entries. The first provides the instruments serial number and the second provides the identification number for each option built into the instrument.
Page 279 The prefix also consists of four numbers. This is a code identifying the date of the last major design change. – The suffix indicates an alpha numeric code which is used to ensure unique identification of each product throughout Keysight Technologies. SERIAL NUMBER SER MY12345678 MADE IN MALAYSIA Keysight N1911A/1912A User’s Guide...
Page 280: Erasing Memory Data
If you need to erase the P-Series power meter’s memory, for example, before you return it to Keysight Technologies for repair or calibration, of all data stored in it. The memory data erased includes the save/recall states and power on last states.
Page 281: Returning Your Power Meter For Service
Keysight Technologies. Packaging the power meter for shipment Use the following steps to package the power meter for shipment to Keysight Technologies for service: – Fill in a blue service tag (available at the end of this guide) and attach it to the power meter.
Page 282 Maintenance – Mark the shipping container “FRAGILE, HANDLE WITH CARE” to ensure careful handling. – Retain copies of all shipping papers. Keysight N1911A/1912A User’s Guide...
Page 283 Maintenance Keysight N1911A/1912A User’s Guide...
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Page 285 Keysight N1911A/1912A P-Series Power Meters User’s Guide Specifications and Characteristics For the characteristics and specifications of the N1911A/1912A P-Series Power Meters, refer to the datasheet at http://literature.cdn.keysight.com/litweb/pdf/5989-2471EN.pdf.
Page 286 Specifications and Characteristics THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight N1911A/1912A User’s Guide...
Page 287 This information is subject to change without notice. Always refer to the English version at the Keysight website for the latest revision. © Keysight Technologies 2006-2017 Edition 18, September 29, 2017 Printed in Malaysia *N1912-90002* N1912-90002 www.keysight.com...

This manual is also suitable for:

1912a P series N1912a

Keysight N1911A User Manual

1 Introduction

2 General Power Meter Functions

3 Using P-Series Power Sensor

4 Using E9320 E-Series Power Sensors

5 Using E9300 E-Series Power Sensors

6 Using E4410 E-Series Power Sensors Introduction

7 Using 8480 Series Power Sensors

8 Using N8480 Series Power Sensors

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