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Keysight Technologies N8487A manual available for free PDF download: Operating And Service Manual
Keysight Technologies N8487A Operating And Service Manual (80 pages)
Power Sensors
Brand:
Keysight Technologies
| Category:
Measuring Instruments
| Size: 1.2 MB
Table of Contents
Safety Symbols
5
Regulatory Markings
6
General Safety Information
7
Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC
8
Environmental Conditions
9
In this Guide
11
Table of Contents
13
1 Introduction
19
General Information
20
Figure 1-1 N8480 Series Power Sensors
20
Accessories Shipped with the Instrument
21
Initial Inspections
21
Original Packaging
21
Power Meter and Sensor Cable Requirements
22
Table 1-1 Power Sensor Cable Options
22
Figure 1-2 Connecting a Sensor Cable to Power Meter
23
Interconnection and Calibration
23
Recommended Calibration Interval
24
Temperature Sensitivity
24
Figure 1-3 Connecting Waveguide Flange to the N8486AQ Power Sensor
25
Operating Instructions
25
Modulation Effect
26
Table 1-2 RF Connector Type, Wrench Size, and Torque Values
26
Torque
26
Overview of the N8480 Series Power Sensors
27
Table 1-3 Power Range in Range Setting
28
Figure 1-4 N8480 Series Power Sensor Simplified Block Diagram
29
Figure 1-5 N8485A Power Sensor with Adapter
30
Figure 1-6 N8487A Power Sensor with Adapter
30
N8485A Power Sensor
30
N8487A Power Sensor
30
B-Models and H-Models Information
31
Figure 1-7 N8488A Power Sensor with Adapter
31
N8488A Power Sensor
31
Waveguide-Models Information
32
Options
33
Power Meter Firmware Compatibility
34
Table 1-4 Power Meter Firmware
34
Power Meter Configuration Changes
35
Figure 1-8 Auto-Averaging Settings
35
Measurement Accuracy and Speed
36
Measurement Considerations
36
2 Specifications and Characteristics
37
Specification Definitions
38
Warranted Specifications
38
Characteristic Specifications
38
Conditions
39
Specifications
40
Frequency and Dynamic Power Range
40
Table 2-1 Frequency and Dynamic Power Range
40
Damage Level
41
Table 2-2 Damage Level at Average and Peak Power
41
Maximum SWR
42
Table 2-3 Maximum SWR
42
Figure 2-1 Typical SWR, 10 Mhz to 18 Ghz (25 °C ±10 °C) for N8481A Power Sensor
43
Figure 2-2 Typical SWR, 100 Khz to 6 Ghz (25 °C ±10 °C) for N8482A Power Sensor
44
Figure 2-3 Typical SWR, 10 Mhz to 26.5 Ghz (25 °C ±10 °C) for N8485A Power Sensor
44
Figure 2-4 Typical SWR, 50 Mhz to 50 Ghz (25 °C ±10 °C) for N8487A Power Sensor
45
Figure 2-5 Typical SWR, 10 Mhz to 70 Ghz (25 °C ±10 °C) for N8488A Power Sensor
45
Figure 2-6 Typical SWR, 33 Mhz to 50 Ghz (25 °C ±10 °C) for N8486AQ Power Sensor
46
Figure 2-7 Typical SWR, 26.5 Ghz to 40 Ghz (25 °C ±10 °C) for N8486AR Power Sensor
46
Figure 2-8 Typical SWR, 10 Mhz to 18 Ghz (25 °C ±10 °C) for N8481B Power Sensor
47
Figure 2-9 Typical SWR, 100 Khz to 6 Ghz (25 °C ±10 °C) for N8482B Power Sensor
47
Figure 2-10 Typical SWR, 10 Mhz to 18 Ghz (25 °C ±10 °C) for N8481H Power Sensor
48
Figure 2-11 Typical SWR, 100 Khz to 6 Ghz (25 °C ±10 °C) for N8482H Power Sensor
48
Power Linearity
49
Table 2-4 Power Linearity
49
Figure 2-12 Typical N8481/2/5/7/8A and N8486AR/AQ Power Linearity at 25 °C, after Zero and Calibration with Associated Measurement Uncertainty
50
Figure 2-13 Typical N8481/2B Power Linearity at 25 °C, after Zero and Calibration with
51
Figure 2-14 Typical N8481/2H Power Linearity at 25 °C, after Zero and Calibration with
52
Switching Point
53
Table 2-5 Switching Point Hysteresis
53
Zero Set, Zero Drift and Measurement Noise
54
Table 2-6 Zero Set, Zero Drift and Measurement Noise
54
Settling Time
55
Figure 2-15 Autofilter, Default Resolution, 10 Db Decreasing Power Step (Not Across the Switching Point)
55
Table 2-7 Settling Time in Normal and X2 Mode
55
Calibration Factor and Reflection Coefficient
56
Calibration Factor Uncertainty
57
Table 2-8 Calibration Factor Uncertainty at 25 ºC ± 3 ºC
57
Table 2-9 Calibration Factor Uncertainty at 25 ºC ± 10 ºC
58
Table 2-10 Calibration Factor Uncertainty at 0 ºC to 55 ºC
60
Supplemental Characteristics
61
Figure 2-16 Typical Cal Factor and SWR Vs. Frequency
61
Physical Characteristics
62
Table 2-11 Physical Dimensions
62
3 Service
63
Cleaning
64
Connector Care
64
Principle of Operations
65
Performance Test
66
Standing Wave Ratio (SWR) and Reflection Coefficient (Rho) Performance Test
66
Table 3-1 Reflection Coefficient for N8480 Series Power Sensors (25 ºC ± 10 ºC)
67
Zero Set Performance Test
69
Replaceable Parts
71
Figure 3-1 Illustrated Parts Breakdown
72
Table 3-2 Replaceable Parts List for Standard N8480 Series Power Sensors
73
Table 3-3 Replaceable Parts List for N8480 Series Power Sensors with Option CFT
75
Table 3-4 Replacement Part List for Adapters Used on N8480 Series Power Sensors
76
Troubleshooting
77
Repair
77
Diassembly/Reassembly Procedures
78
Diassembly Procedure
78
Reassembly Procedure
78
Figure 3-2 Removing Power Sensor Shell
78
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