SIGLENT SDG1000X Series Service Manual
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SIGLENT SDG1000X Series Service Manual

Function / arbitrary waveform generator
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Service Manual
SDG1000X Series
Function/Arbitrary Waveform Generator
2016 SIGLENT TECHNOLOGIES CO., LTD
SDG1000X Service Manual
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Sławomir
February 19, 2025

Not signal on out 1.

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1 comments:
Mr. Anderson
February 19, 2025

The SIGLENT SDG1000X Series may have no signal on output 1 due to several reasons:

1. Connection Issue – Check the connection between the generator and the load to ensure it is properly connected.
2. Impedance Mismatch – Verify that the impedance setting in the generator matches the input impedance of the load.
3. Instrument Malfunction – If the issue persists after checking the connections and impedance settings, contact SIGLENT for further assistance.

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Summary of Contents for SIGLENT SDG1000X Series

  • Page 1 Service Manual SDG1000X Series Function/Arbitrary Waveform Generator 2016 SIGLENT TECHNOLOGIES CO., LTD SDG1000X Service Manual...
  • Page 2 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 any personal injuries or damages to the instrument and any product connected to it. To avoid potential hazards, please use the instrument as specified. Only qualified technical personnel should service this instrument. Avoid fire or open flame.

  • Page 4: Table Of Contents

    Guaranty and Declaration ......................II General Safety Summary ......................III Overview of this Document ......................VI The SDG1000X Series Generator at a Glance ..............VIII The Front Panel at a Glance....................... IX The Rear Panel at a Glance ..................... XII Chapter 1 Quick Start ......................
  • Page 5 Main Board Clock Verification ................64 ARM CPU System Verification ................65 Connector Verification ....................65 Quick Guide for General Failures .................. 66 Chapter 5 Maintenance ......................67 Maintenance Summary ..................... 67 Repackaging for Shipment ....................67 Contact SIGLENT ....................... 68 SDG1000X Service Manual...

  • Page 6: Overview Of This Document

    Overview of this Document This document is for the SDG1000X Series Function/Arbitrary Waveform Generators, which will be mostly referred to “the generator” for short in the following text. The main contents described in this manual are: The SDG1000X Series Generator at a Glance This part introduces the main technology characteristics for the SDG1000X generator.
  • Page 7 The Different SDG1000X Models Addressed by this Manual All the description for function and performance in this document are according to the SDG1062X series generator, and apply to other models. The SDG1000X series contains the following models: Type Bandwidth Channels...

  • Page 8: The Sdg1000X Series Generator At A Glance

    The SDG1000X Series Generator at a Glance SIGLENT‟s SDG1000X is a series of dual-channel function/arbitrary waveform generators with specifications that include up to 60 MHz maximum bandwidth, 150 MSa/s sampling rate and 14-bit vertical resolution. The proprietary EasyPulse techniques help to solve the weaknesses inherent in traditional...

  • Page 9: The Front Panel At A Glance

    The Front Panel at a Glance 3. Screen Display 4. Numeric Keyboard 5. Knob 2.USB Host 6. Arrow Keys 8. Channel Select Key 1.Power Switch 11. Menu Keys 9. Function Keys 7. CH1/CH2 Control/Output Port 10. Waveform Option Area SDG1000X Service Manual...
  • Page 10 The User Interface at a Glance SDG1000X can only display parameters and waveform for one channel at a time. The picture below shows the interface when CH1 is selected and AM modulation of a sine wave function is selected. The information displayed may vary depending on the function selected.
  • Page 11 knob to change the parameter value; or continue pressing the corresponding output key for two second to switch between High Impedance and 50 Ω. High Impedance: display HiZ. Load: display impedance value (the default is 50 Ω and the range is 50 Ω to 100 kΩ).

  • Page 12: The Rear Panel At A Glance

    The Rear Panel at a Glance 10 MHz Clock Input/Output Aux In/Out Aux In/Out Counter Earth Terminal AC Power Supply Input LAN Interface USB Device WARNING: For protection from electric shock, the grounding power cord must not be defeated. If only a two-contact electrical outlet is available, connect the instrument’s chassis ground screw (see above) to a good earth ground.

  • Page 13: Chapter 1 Quick Start

    Chapter 1 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 14: To Prepare The Generator For Use

    Then, verify that the generator is turned on. Note: If the power-on self-test fails, the generator may stop and display a black screen. For solutions, please contact the nearest SIGLENT sales office or return the generator to SIGLENT for service.

  • Page 15: To Adjust The Carrying Handle

    To 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 SDG1000X Service Manual...

  • Page 16: To Set The Output Frequency

    To Set the Output Frequency The following steps explain change the frequency to 20 KHz. 1. Press the Parameter softkey Press the Parameter softkey to enter the parameter set interface. The waveform parameters including Frequency/Period, Amplitude/HighLevel, Offset/LowLevel and Phase are ready to modify using the numeric keypad. 2.
  • Page 17 Then press the corresponding softkey to select the desired unit. For example, press kHz. Note: The desired numerical value can be modified using the knob and direction keys. SDG1000X Service Manual...

  • Page 18: To Set The Output Amplitude

    To Set the Output Amplitude The following steps describe how to change the amplitude to 8 Vpp. 1. Press the Amplitude/HighLevel softkey The displayed amplitude is either the power-on value or the amplitude previously selected. When changing the function, the same amplitude is used if the current value is valid for the new waveform.
  • Page 19 SDG1000X Service Manual...

  • Page 20: To Set The Dc Offset

    To Set the DC offset The following steps describe how to change offset to 1 Vdc. 1. Press the Offset/LowLevel softkey The displayed offset is either the power-on value or the offset previously selected. When changing the function, the same offset is used if the current value is valid for the new waveform.
  • Page 21 Note: The desired numerical value can be modified using the knob and direction keys. SDG1000X Service Manual...

  • Page 22: To Set The Duty Cycle Of A Square Waveform

    To Set the Duty Cycle of a Square Waveform At power-on, the default duty cycle for square wave is 50%. The duty cycle setting range is limited by the “Frequency/Period” setting. The following steps show how to change the duty cycle to 80%. 1.
  • Page 23 SDG1000X Service Manual...

  • Page 24: To Set The Symmetry Of A Ramp Waveform

    To Set the Symmetry of a Ramp Waveform At power-on, the Symmetry for Ramp wave is 50%. The symmetry can be adjusted between 0% and 100%. The following steps describe the procedure to set the symmetry to 60%. 1. Select the Ramp wave function Press Waveforms →...
  • Page 25 SDG1000X Service Manual...

  • Page 26: To Generate A Pulse Waveform

    To Generate a Pulse Waveform The generator can be set to output a pulse waveform with variable width, edge time and delay time. The following steps show you how to generate a 500 µs period pulse waveform with a pulse width of 100 µs, rise time of 8 ns and delay time of 50 ns.
  • Page 27 4. Set the Edge Time Press the Rise/Fall softkey and then set the rising edge to 10 ns. 5. Set the Pulse Delay Press the Delay softkey and then set the delay time to 50 ns. SDG1000X Service Manual...
  • Page 28 SDG1000X Service Manual...

  • Page 29: To Generate A Noise Waveform

    To Generate a Noise Waveform The generator can be set to output a noise waveform with an adjustable Stdev and Mean. The following steps show you how to generate a noise waveform with 500 mV Stdev and 1 mV Mean. 1.
  • Page 30 3. Set the Mean Press the Mean softkey and then set the mean to 1 mV. SDG1000X Service Manual...

  • Page 31: To Set The Dc Voltage

    To Set the DC Voltage The following steps show how to set a dc voltage with +1 Vdc. 1. Select the DC function Press Waveforms → Page 1/2 → DC to select the DC function. 2. Set the DC Offset Use the digital keypad to input the value directly, enter the value “1”.
  • Page 32 SDG1000X Service Manual...

  • Page 33: To Output A Built-In Arbitrary Waveform

    To Output a Built-In Arbitrary Waveform There are approximately 200 built-in arbitrary waveforms stored in non-volatile memory. The following steps show how to output the built-in “exponential fall” waveform from the front panel. 1. Set the arbitrary waveform function Press Waveforms → Page 1/2 → Arb Type → Built-In to enter the arbitrary waveform setting interface.
  • Page 34 3. Output the exponential fall waveform Rotate the knob to select the ExpFall waveform and press the knob. The waveform is output with the present settings unless they are changed. SDG1000X Service Manual...

  • Page 35: To Use The Built-In Help System

    To 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. Read the help information Press Utility → System → Page 1/2 → Help to enter the following interface. You will see a list of help topics as below.

  • Page 36: Chapter 2 Calibration

    Accuracy specifications will remain valid only if performance verification is made at regular calibration intervals. Accuracy specifications are not valid beyond the1-year calibration interval. SIGLENT does not recommend extending calibration intervals beyond 2 years for any application.

  • Page 37: Recommended Test Equipment

    Recommended Test Equipment The test equipment instrumentation recommended for the performance verification and adjustment procedures is listed below. If the exact instrument is not available, substitute with an instrument of equivalent accuracy. Instrument Requirements Recommended Model DC volts Digital Multimeter (DMM) accuracy: 100 ppm Agilent 34401A / 34461A resolution: 100 μV...

  • Page 38: Dc Output Verification

    DC Output Verification This test checks if the DC offset listed in the table below are within the specified range using a DMM. 1. Set the DMM to measure DC voltage. Connect the DMM to the CH1 output of the generator as shown below. 2.

  • Page 39: Ac Amplitude Verification

    AC Amplitude Verification This test checks the AC amplitude output accuracy at the frequency of 10 kHz using a DMM. 1. Turn on the generator and choose CH1 as the operating channel. Set the Load to HiZ. 2. Connect the DMM and generator as shown below. 3.

  • Page 40: Frequency Response Verification

    Frequency Response Verification This test checks if the amplitude flatness is within the spec range using a PC controlled Power Meter. If you do not have a PC controlled Power Meter, simply ignore the USB connections shown. 1. Turn on the generator and choose CH1 as the operating channel. Set the Load to 50 Ω.

  • Page 41: General Adjustment Procedure

    General Adjustment Procedure The following explains how to adjust the SDG1000X series generator for optimum operating performance.  Channel Adjustment which includes four steps: feedback channel adjustment, channel self adjustment, square wave duty-cycle calibration and vertical accuracy calibration.  Feedback Channel Adjustment which acts as a standard calibration module, providing the accuracy assurance for Self Adjust.

  • Page 42: Software Environment

    Scripts for Calibration Siglent provides a free suite for calibrating SDG series products, in which all scripts are written in Python. Customers can download the package from the website and just run the scripts to complete the whole calibration process after some preparation works.

  • Page 43: Channel Adjustment

    Channel Adjustment The channel adjustment includes four parts: feedback channel adjustment, channel self adjustment, square wave duty-cycle calibration and vertical accuracy calibration. 1. Turn on the generator. 2. Connect the DMM, DSO, PC and SDG1000X generator as shown below: 3. Double click and run the script ChannelAdjust.py prepared previously. Then change the channel connection according to the prompt message.
  • Page 44 Feedback Channel Adjustment The internal feedback channel receives the feedback signal from all the other channels that are performing self adjustment. This adjustment acts as a standard test module and must be performed prior to Self Adjust to make sure it is performed based on the best adjusting accuracy.
  • Page 45 Channel Self Adjustment This adjustment is for internal control channel and signal channel. Through feedback circuits of the feedback channel and signal channel, this adjustment helps to obtain the actual working performance for components from signal channels. 1. After the feedback channel adjustment completed, disconnect the two BNC cables on CH1 and CH2.
  • Page 46 Square Wave Duty-cycle Calibration This adjustment aims to calibrate the square wave circuit to obtain more accurate duty-cycle adjustment. 1. Connect the DSO, PC and SDG1000X generator as shown below: 2. Double click and run the script DutyCalib_x.py prepared previously. 3.
  • Page 47 Vertical Accuracy Calibration This adjustment aims to calibrate the amplitude at low frequency, using a DMM with high precision. The SDG1000X begins this portion of the calibration after the completion of the self adjustment process. It calibrates the Sine wave with a 10 kHz frequency and selects several amplitudes to calibrate.

  • Page 48: Frequency Response Adjustment

    Frequency Response Adjustment This adjustment aims to obtain the actual frequency response characteristics of the signal channel, thus to perform appropriate compensation. Since the waveform amplitude will decrease as the input frequency increases, it is essential to compensate for the amplitude to match it to the frequency. This adjustment should be performed after the channel adjustment.

  • Page 49: Chapter 3 Assembly Procedures

    Chapter 3 Assembly Procedures This chapter describes how to remove the major modules from the SDG1000X series generator. To install the removed modules or replace new modules, please follow corresponding operating steps in reverse order. The following subjects are addressed in this chapter: ...

  • Page 50: List Of Modules

     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. Number of Module Module Handle Metal Shell and Rear Cabinet...

  • Page 51: Disassembly Procedures

    Disassembly Procedures This section describes how to remove and install the generator‟s modules listed above in detail. Complete disassembly will be best achieved through the following operating steps. 1. Pull out the handle hard from the two sides of the generator. 2.
  • Page 52 3. Open the cable clamp as ① ② show and pull out the cable as ③ ④ ⑤ ⑥ show, and then remove the 5 screws as shown in the following figure. 4. Separate the front panel from the main body of the generator. 5.
  • Page 53 6. Remove the keypad circuit board assembly. SDG1000X Service Manual...
  • Page 54 7. Remove the 3 screws holding the screen bracket and remove the metal front panel. 8. Pull out the connecting cable according to the index number as shown in the following figure and remove the keyboard. 9. Remove all the 9 screws fixed the main board and power supply board using the T10 Torx screwdriver and separate the main board and power supply board carefully from the main body of the generator to avoid being scratched by the sharp metal edge.
  • Page 55 10. Pull out the connecting cable as shown in the following figure and then remove the fan, rear interface board, channel board and main board. Note: To assemble the generator, please follow these same steps in reverse order. SDG1000X Service Manual...

  • Page 56: Chapter 4 Troubleshooting

    (mainly main board and channel board) by measuring the corresponding test points and checking the signals of connectors on them, thus to help in determining the reason for the failure that has been encountered while operating the SDG1000X series arbitrary waveform generator. ESD Precautions...

  • Page 57: Channel Board Drawing

    Channel Board Drawing The channel board is a kind of signal conditioning board for generating analog signal. It mainly deals with the adjusting of signal parameters such as frequency, amplitude, and so on. Please refer to the following drawing to quickly locate the test points on the channel board for easy resolution of any problems encountered.

  • Page 58: Main Board Drawing

    Main Board Drawing The main board is the control center of the generator that contains an ARM CPU system. It completes the GUI function, controlling and configuration function of the channel board as well as the user interface. Please refer to the following drawing to quickly locate the test points on the main board for easy resolution of any problems encountered.

  • Page 59: Check The Power Supply

    Check the Power Supply There are two power connectors through which the channel board and main board can be supplied power. Before performing the power supply testing procedure, please make sure that the generator is grounded correctly through the protective lead of the power cord.
  • Page 60 -20 V VH-(white) ±30% 6.5 V VL+(yellow) ±30% -6.5 V VL-(blue) ±30% If each tested voltage value is within the specified range listed in the table above, then some abnormality of the load is most likely causing the power supply problem. Continuous checking or even replacing the channel/main board is required for further test.

  • Page 61: Check The Channel Board

    5-4, it proves to be faulted, please return it to the factory to have it repaired or contact SIGLENT. Table 5-4 Test Voltages of the Channel Board Test point...
  • Page 62 25 MHz Clock Source Checking There is an oscillator chip generating a 25 MHz 3.3 V LVCOMS clock source to the entire channel board. Please check it, referring to the marked point on the channel board drawing. FPGA Checking To check if the FPGA is working properly, please observe the test point marked with FPGA_LED on the channel board drawing.

  • Page 63: Voltage Verification

    If the voltages are out of the specified range, please return it to the factory to have it repaired or contact SIGLENT. Table 5-6 Test Voltages of the Main Board...

  • Page 64: Arm Cpu System Verification

    ARM CPU System Verification Observe the ARM_LED light on the main board, which indicates the working state of ARM CPU system. If the light turns on, then the corresponding codes have been loaded successfully and the chip is in an operating state. Otherwise, there may be a problem with it.

  • Page 65: Quick Guide For General Failures

    (4) Check the connection between the power supply and the main board. (5) If the instrument still does not work normally, please contact SIGLENT. 2. Starts up with a dark screen: (1) Check the connection between the power supply and the main board.

  • Page 66: Chapter 5 Maintenance

    In no case shall SIGLENT be liable for indirect, special or consequential damages. Repackaging for Shipment If the unit needs to be shipped to SIGLENT for service or repair, be sure: 1. Attach a tag to the unit identifying the owner and indicating the required service or repair.

  • Page 67: Contact Siglent

    Contact SIGLENT North America SIGLENT Technologies America, Inc 6557 Cochran Rd Solon, Ohio 44139 Tel: 440-398-5800 Toll Free:877-515-5551 Fax: 440-399-1211 info@siglent.com www.siglentamerica.com Headquarters SIGLENT TECHNOLOGIES CO., LTD. Blog No.4 & No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao‟an District, Shenzhen, 518101, China.

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