SIGLENT SDG800 Series Service Manual
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SIGLENT SDG800 Series Service Manual

Function/arbitrary waveform generator
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SDG800 Series
Function/Arbitrary Waveform Generator
Service Manual
E01A
SDG800 Service Manual
I

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Summary of Contents for SIGLENT SDG800 Series

  • Page 1 SDG800 Series Function/Arbitrary Waveform Generator Service Manual E01A SDG800 Service Manual...

  • Page 2: Guaranty And Declaration

    Declaration ⚫ SIGLENT products are protected by patent law in and outside of P.R.C. ⚫ SIGLENT reserves the right to modify or change parts of or all the specifications or pricing policies at company’s sole decision. ⚫ Information in this publication replaces all previously corresponding material.

  • Page 3: General Safety Summary

    General Safety Summary Carefully read the following safety precautions to avoid person injury and prevent damage to the instrument or any products connected to it. To avoid potential hazards, please use the instrument as specified. Only qualified technician should perform service procedures Use Proper Power Line Use only the special power line of the instrument that approved by local state.

  • Page 4: Safety Terms And Symbols

    Safety Terms and Symbols Terms used on the instrument. Terms may appear on the instrument: DANGER: Indicates an injury or hazard that may immediately happen. WARNING: Indicates an injury or hazard that may not immediately happen. CAUTION: Indicates a potential damage to the instrument or other property that might occur.

  • Page 5: Overview For The Document

    Overview for the Document The document is for SDG800 series arbitrary waveform generator, which will be mostly written as generator for short in the following text. The main contents described in this manual are: SDG800 Series Generator at a glance This part introduces the main technology characteristics for SDG800 generator.
  • Page 6 Convention for the whole Contents All the description for function and performance in this document are according to SDG830 series generator, and apply to generator of the other types. The SDG800 series contains the following types: Type Analog Bandwidth SDG805...

  • Page 7: Sdg800 Series At A Glance

    SDG800 Series at a Glance The SDG800 series is a direct digital synthesized waveform generator with built-in arbitrary waveform and pulse capabilities. Its combination of excellent system features, easiness in usage and versatile functions makes this generator a perfect solution for your testing now and in the future.

  • Page 8: The Front Panel At A Glance

    The Front Panel at a Glance Description Description ON/OFF Switch Direction Keys USB Host Output Control and Trigger Keys LOGO Function Keys Model Waveform Selection Keys Return Key Menu Operation Keys Digital Keypad LCD Display Universal Knob...
  • Page 9 The Front Panel Display at a Glance Output Status Softkey Parameter Name Parameter Unit Value Mod Information SDG800 Service Manual...

  • Page 10: The Rear Panel At A Glance

    The Rear Panel at a Glance Power Socket USB Device...

  • Page 11: Table Of Contents

    General Safety Summary ......................III Safety Terms and Symbols ...................... IV Overview for the Document ......................V SDG800 Series at a Glance ..................... VII The Front Panel at a Glance....................VIII The Rear Panel at a Glance ......................X Specification ............................ 1 Specifications ........................
  • Page 12 Main Board Drawing ......................38 Check the Power Supply ....................39 Check the Main Board ....................... 40 Quick Guide for General Failures .................. 42 Maintenance ..........................43 Maintain Summary ......................43 Repackaging for Shipment ....................44 Contact SIGLENT ....................... 45...

  • Page 13: Specification

    Specification These specifications apply to SDG800 series Arbitrary Waveform Generator. To verify that an generator meets specifications, it must first meet the following conditions: ⚫ The generator must have been operating continuously for fifteen minutes within the specified operating temperature.
  • Page 14 Frequency Specification Model SDG805 SDG810 SDG830 Waveform Sine, Square, Ramp, Pulse, Noise, Arbitrary 1μHz ~ 5MHz 1μHz ~ 10MHz 1μHz ~ 30MHz Sine 1μHz ~ 5MHz 1μHz ~ 10MHz 1μHz ~ 10MHz Square 500μHz ~ 5MHz Pulse 1μHz ~ 300kHz Ramp/Triangular Gaussian white noise >5MHz (-3dB)
  • Page 15 Arbitrary Wave Waveform length 16k points Vertical resolution 14bits Sample rate 125MSa/s Min. Rise/Fall time 8ns(typical) Jitter( 8ns(typical) pk-pk Storage in non-volatile RAM 10 waveforms memory (10 in total) Output Specification 2mVpp~10Vpp(50Ω, ≤10MHz) 2mVpp~5Vpp(50Ω, >10MHz) Amplitude 4mVpp ~ 20Vpp（High impedance, <10MHz） 4mVpp ~ 10Vpp（High impedance, >10MHz）...
  • Page 16 Carrier Sine, Square, Ramp, Arbitrary(except DC) Modulation waveform Sine, Square, Ramp, Noise, Arbitrary (2mHz~20kHz) Phase Deviation 0~360° ,0.1° Resolution FSK Modulation Carrier Sine, Square, Ramp, Arbitrary(except DC) Modulation waveform 50% duty-cycle square waveform(2mHz~50kHz) ASK Modulation Carrier Sine, Square, Ramp, Arbitrary(except DC) Modulation waveform 50%duty-cycle square waveform(2mHz~50kHz) PWM Modulation...

  • Page 17: General Specification

    General Specification Display Display type 3.5 inch TFT-LCD Resolution 320×RGB×240 Color depth 24bit Contrast Ratio 350:1 (typical) Luminance 300cd/m (typical) Power 100~240 VAC 50/60Hz RMS, Voltage 100~120 VAC 440Hz RMS, Consumption <30W Fuse 1.25A, 250V Environment Operation:0° C~40° C Temperature Storage:-20°...

  • Page 18: Quick Start

    Quick Start One of the first things you will want to do with your generator is to become acquainted with the front panel. We have written the exercises in this chapter to prepare the instrument for use and help you get familiar with some of its front-panel operations.

  • Page 19: Prepare The Generator For Use

    Prepare the Generator for Use 1. Check the list of accessories Accessories supplied with the instrument are listed below. If anything is missing or damaged, please contact your nearest SIGLENT Sales Office. • A Quick Start • A Certification • A Guaranty Card •...

  • Page 20: Adjust The Carrying Handle

    Adjust the carrying handle To adjust the position, grasp the handle by the sides and pull outward. Then, rotate the handle to the desired position. Pull the handle ahead for easy carrying Pull the handle down SDG800 Service Manual...

  • Page 21: Set The Output Frequency

    Set the Output Frequency The following steps show you how to change the frequency to 1.5 MHz. 1. Press the Freq/Period softkey The displayed frequency is either the power-on value or the frequency previously selected. When you change the function, the same frequency is used if the current value is valid for the new waveform.

  • Page 22: Set The Output Amplitude

    Set the Output Amplitude The following steps show you how to change the amplitude to 100mVrms. 1. Press the Ampl/HLevel softkey The displayed amplitude is either the power-on value or the amplitude previously selected. When you change the function, the same amplitude is used if the current value is valid for the new waveform.

  • Page 23: Set The Dc Offset

    Set the DC offset The following steps show you how to change offset to -2mVdc. 1. Press the Offset/LLevel softkey The displayed offset is either the power-on value or the offset previously selected. When you change the function, the same offset is used if the current value is valid for the new waveform.

  • Page 24: Set The Duty Cycle Of A Square Wave

    Set the Duty Cycle of a Square Wave At power-on, the duty cycle for square wave is 50%. You can adjust the duty cycle from 20% to 80% for output frequencies up to 10 MHz. The following steps show you how to change the duty cycle to 30%. 1.

  • Page 25: Set The Symmetry Of A Ramp Wave

    Set the Symmetry of a Ramp Wave At power-on, the Symmetry for Ramp wave is 50%. You can adjust the symmetry from 0% to 100%. The following steps show you how to change the symmetry to 60%. 1. Select the Ramp wave function Press Ramp button and then select the desired output frequency to any value.

  • Page 26: Generate A Pulse Waveform

    Generate a Pulse Waveform You can set the generator to output a pulse waveform with variable width and delay time. The following steps show you how to generate a 500 µs pulse waveform with a pulse width of 100 µs and rise time of 10 us. 1.

  • Page 27: Configure A Noise Waveform

    Configure a Noise Waveform You can set the generator to output a noise waveform with variance and mean. The following steps show you how to generate a noise waveform with 200mV variance and 10mV mean. 1. Select the Noise function Press the Noise button to select the noise function and output a noise waveform with the default parameters.

  • Page 28: Set The Dc Voltage

    Set the DC Voltage You can set the DC Voltage feature from the Utility Menu, and then set a dc voltage as an “Offset” value. The following steps show you how to set a dc voltage with +1Vdc. 1. Select the Utility function Press the Utility button to select the Utility function.

  • Page 29: Output A Built-In Arbitrary Waveform

    Output a Built-In Arbitrary Waveform There are 48 built-in arbitrary waveforms stored in non-volatile memory. The following steps show you how to output the built-in “exponential fall” waveform from the front panel. 1. Select the arbitrary waveform function Press the button to select the arbitrary waveform function.
  • Page 30 SDG800 Service Manual...

  • Page 31: Use The Built-In Help System

    Use the Built-In Help System The built-in help system is designed to provide context-sensitive assistance of some functions. A list of help topics is also available to assist you with several operations. 1. View the help information for SDG800 Press Help button, you will see the list of help topics. Use the konb and directional keys to select the help title.

  • Page 32: Performance Verification

    If the exact instrument is not available, substitute calibration standards of equivalent accuracy. Instrument Requirements Recommended Model dc volts Digital Multimeter(DMM) accuracy: 100ppm SIGLENT SDM3055 resolution: 100μV Frequency: Power Meter 10KHz to 30MHz Keysight U2004 SDG800 Service Manual...

  • Page 33: Performance Verification Test

    Performance Verification Test The performance verification tests are recommended as acceptance tests when you first receive the instrument. The acceptance test results should be compared against the specifications given in chapter 1. After acceptance, you should repeat the performance verification tests at every calibration interval. If the instrument fails performance verification, adjustment or repair is required.

  • Page 34: Dc Output Verification

    DC Output Verification This test checks if the DC offset listed in the table below are within the spec range using a DMM. 1. Set the DMM to measure DC voltage. Connect the DMM to the output of the generator as shown below. 2.

  • Page 35: Frequency Response Verification

    Frequency Response Verification This test checks if the value in dB format translated from output amplitude is within the spec range response to different frequency using a Power Meter. 1. Turn on the generator and set the load to 50Ω in OUTPUT SETUP system under the Utility menu.

  • Page 36: Ac Amplitude Verification

    AC Amplitude Verification This test checks the ac amplitude output accuracy at the frequency of 100 kHz using a Power Meter. 1. Turn on the generator and set the load to 50Ω in OUTPUT SETUP system under the Utility menu. 2.

  • Page 37: Assembly Procedures

    Assembly Procedures This chapter describes how to remove the major modules from the SDG800 series Generator. To install the removed modules or replace new modules, please follow corresponding operating steps in reverse order. The following contents are what mainly included in this chapter: ⚫...

  • Page 38: List Of Modules

    ◆ Keep replacement parts in original static-free packaging. ◆ Remove all plastic, foam, vinyl, paper and other static-generating materials from the immediate work area. ◆ Use only anti-static solder suckers. List of Modules The following removable modules are listed in the order of performing disassembly procedures.

  • Page 39: A View Of The Whole Instrument

    A view of the whole Instrument The disassembly drawing are shown as below for you to disassemble the generator in right steps. Before disassembling, please cut the power to avoid any personal injuries or damages to inside components. Since some modules of the instrument are sharp, you should also take care while operating to prevent being scratched.

  • Page 40: Removing The Handle

    Removing the Handle Table 4-2 Removing the handle Removing steps: Pull down the handle hard from the two sides of the generator. To install the handle, please operate as the reverse steps. SDG800 Service Manual...

  • Page 41: Removing The Metal Shell And Rear Cabinet

    Removing the Metal Shell and Rear Cabinet Table 4-3 Removing the rear cabinet screws Table 4-4 Removing the metal shell screw SDG800 Service Manual...
  • Page 42 Removing steps: 1. Remove the two screws from the rear cabinet of the generator using a PH2 philips screw driver. 2. Remove the screw from the bottom of the generator using the screw driver. 3. Remove the rear cabinet and metal shell from the main body. To install the metal shell and rear cabinet, please operate as the reverse steps.

  • Page 43: Removing The Front Cabinet

    Removing the Front Cabinet Table 4-6 Removing the front cabinet Removing steps: 1. Remove the front module cable connected to the main board. 2. Remove the screws from the front cabinet using a PH2 philips screw driver. 3. Separate the front cabinet from the main body of the generator. To install the front cabinet, please operate as the reverse steps.
  • Page 44 Table 4-7 Disassembled into three parts SDG800 Service Manual...

  • Page 45: Removing The Display Module

    Removing the Display Module Table 4-8 Removing the display module screws Removing steps: 1. Remove the screws from the keypad circuit board using a PH2 philips screw driver. 2. Remove the keypad circuit board, soft keypad and LCD screen from the front cabinet in sequence.
  • Page 46 Table 4-9 Removing the front cabinet module SDG800 Service Manual...

  • Page 47: Removing The Main Body

    Removing the Main Body Table 4-10 Removing the main body Removing steps: 1. Remove the screws from the rear metal cover using the screw driver. 2. Remove the rear metal cover from the main body of the generator. 3. Remove the screws from the main board and power supply board and using the screw driver.
  • Page 48 Table 4-11 Assembly drawing of the main body SDG800 Service Manual...

  • Page 49: Troubleshooting

    SDG800 series arbitrary waveform generator. ESD Precautions While performing any internal testing of the generator, please refer to the following precautions to avoid damages to internal modules or components result from ESD.

  • Page 50: Main Board Drawing

    Main Board Drawing Please refer to the following drawing to quickly locate the test points on the main board for easy resolution of the failures you encounter. SDG800 Service Manual...

  • Page 51: Check The Power Supply

    Otherwise, it proves to be faulted, please return it to the factory to have it repaired or contact SIGLENT. Note: The main power supply provides an input fuse to protect against the danger of fire in the event of a failure of the power supply circuitry.

  • Page 52: Check The Main Board

    Otherwise, the failure may also come from power supply board except the main board, please return the generator to the factory to have it repaired or contact SIGLENT. In addition to power supply test points listed in the table above, the following two signal test points are recommended for you to decide the main board failure.
  • Page 53 Table 5-4 Signal test points for the main board Test point Description Error limit AC waveform ±50ppm Pin3 of Y1 25MHz TP1 is tested for output waveform in analog channel . The amplitude of waveform on TP1 changes when different amplitude was set. Y1 is the mainboard clock source.

  • Page 54: Quick Guide For General Failures

    (4) Check if the power connector is properly connected to the main board. (5) If the instrument still does not work normally, please contact SIGLENT. 2. The instrument starts up with a dark screen: (1) Check if the connector (J1) is properly connected to the main board.

  • Page 55: Maintenance

    Maintenance Maintain Summary SIGLENT warrants that the products it manufactures and sells are free from defects in materials and workmanship for a period of three years from the date of shipment from an authorized SIGLENT distributor. If a product or CRT proves defective within the respective period, SIGLENT will provide repair or replacement as described in the complete warranty statement.

  • Page 56: Repackaging For Shipment

    Repackaging for Shipment If the unit needs to be shipped to SIGLENT for service or repair, be sure to: 1. Attach a tag to the unit identifying the owner and indicating the required service or repair. 2. Place the unit in its original container with appropriate packaging material for shipping.

  • Page 57: Contact Siglent

    Contact SIGLENT Headquarters SIGLENT TECHNOLOGIES CO., LTD. Blog No.4 & No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao’an District, Shenzhen, 518101, China. Tel:+ 86 755 3688 7876 Fax:+ 86 755 3359 1582 sales@siglent.com www.int.siglent.com/ North America SIGLENT Technologies America, Inc...

This manual is also suitable for:

Sdg805Sdg810Sdg830

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