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GW Instek GDS-1000A Series User Manual
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GW Instek GDS-1000A Series User Manual

GW Instek GDS-1000A Series User Manual

Digital storage oscilloscope
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Digital Storage Oscilloscope
GDS-1000A Series
USER MANUAL
GW INSTEK PART NO. 82DS-1102AMA1
ISO-9001 CERTIFIED MANUFACTURER
Arrow.com.
Downloaded from
July 2009 edition
This manual contains proprietary information, which is protected by
copyright. All rights are reserved. No part of this manual may be
photocopied, reproduced or translated to another language without
prior written consent of Good Will Corporation.
The information in this manual was correct at the time of printing.
However, Good Will continues to improve its products and therefore
reserves the right to change the specifications, equipment, and
maintenance procedures at any time without notice.
Good Will Instrument Co., Ltd.
No. 7-1, Jhongsing Rd., Tucheng City, Taipei County 236, Taiwan.

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Summary of Contents for GW Instek GDS-1000A Series

  • Page 1 Digital Storage Oscilloscope GDS-1000A Series USER MANUAL GW INSTEK PART NO. 82DS-1102AMA1 July 2009 edition This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Good Will Corporation.
  • Page 2 TABLE OF CONTENTS GDS-1000A Series User Manual   Trigger key 2/6 ............... 34 Trigger key 3/6 ............... 35   Table of Contents   Trigger key 4/6 ............... 35   Trigger key 5/6 ............... 36   Trigger key 6/6 ............... 36  ...
  • Page 3 APPENDIX ........... 121     File Structures ..............90  Fuse Replacement ............121    Display image file format ............90 GDS-1000A Series Specifications ........122    Waveform file format ............. 90 Model-specific specifications ..........122   Setup file format ..............93  ...
  • Page 4 SAFETY INSTRUCTIONS GDS-1000A Series User Manual Safety Guidelines Make sure the BNC input voltage does not General  AFETY INSTRUCTIONS Guideline exceed 300V peak. Never connect a hazardous live voltage to the  CAUTION ground side of the BNC connectors. It might This chapter contains important safety instructions lead to fire and electric shock.
  • Page 5 SAFETY INSTRUCTIONS GDS-1000A Series User Manual Fuse Fuse type: T1A/250V Storage Location: Indoor   environment To ensure fire protection, replace the fuse only Relative Humidity: < 85%   WARNING with the specified type and rating. Temperature: -10°C to 60°C ...
  • Page 6 GETTING STARTED GDS-1000A Series User Manual Interface SD/SDHC card interface for saving and  recalling data Calibration output ETTING STARTED  External trigger input  USB slave interface for remote control  The Getting started chapter introduces the PictBridge Printer compatible ...
  • Page 7 GETTING STARTED GDS-1000A Series User Manual Panel Overview Utility Configures the Hardcopy function Utility key (page97), shows the system status (page84), selects the menu Front Panel language (page88), runs the self calibration (page115), configures the probe compensation signal (page116), and selects the USB host type(page85).
  • Page 8 GETTING STARTED GDS-1000A Series User Manual EXT TRIG FORCE Trigger force key Acquires the input signal once External trigger Accepts an external trigger signal (page77). regardless of the trigger condition input at the time (page84). MENU Configures the horizontal view Horizontal menu Powers the oscilloscope on or off.
  • Page 9 GETTING STARTED GDS-1000A Series User Manual Rear Panel Display Waveform marker Waveform position Trigger status Acquisition Menu Vertical status Horizontal status Frequency Trigger condition Power cord socket accepts the AC Power cord Channel 1: Yellow Channel 2: Blue Waveforms mains, 100 ~ 240V, 50/60Hz.
  • Page 10 GETTING STARTED GDS-1000A Series User Manual 6. Connect the probe between the Channel1 input Setting up the Oscilloscope terminal and probe compensation signal output (2Vp-p, 1kHz square wave). This section describes how to set up the Background oscilloscope properly including adjusting the 7.
  • Page 11 GETTING STARTED GDS-1000A Series User Manual UICK REFERENCE Over Under Normal Compensation Compensation This chapter lists the oscilloscope menu tree, operation shortcuts, built-in help coverage, and default factory settings. Use this chapter as a handy reference to access the oscilloscope functionalities.
  • Page 12 QUICK REFERENCE GDS-1000A Series User Manual Select acquisition mode Cursor key 1/2 Normal ~ Peak-Detect Turn cursor on/off Select average number Cursor Average Move X1 cursor Turn Delay on/off X1→ VAR Delay On Move X2 cursor X2→ VAR Move both X1 and X2 cursor X1X2→...
  • Page 13 QUICK REFERENCE GDS-1000A Series User Manual Display key Horizontal menu key Select waveform type Select main (default) display Main Type Select window mode Waveform accumulate On/Off Window→TIME/DIV Accumulate Zoom in window mode Refresh accumulation Window Zoom Refresh Select window roll mode...
  • Page 14 QUICK REFERENCE GDS-1000A Series User Manual Math key 2/2 (FFT/FFT rms) Measure key Math on/off Math Select math operation type (+/– /x/FFT/FFT rms) Operation Select FFT source channel Source Select FFT window Window Select FFT result position Position→VAR Select vertical scale...
  • Page 15 QUICK REFERENCE GDS-1000A Series User Manual Save/Recall key 1/10 Save/Recall key 3/10 Select other menu Save/Recall Save/Recall Recall Waveform Select waveform source Default Save To Save Setup Setup Setup Source →VAR Recall Save To Recall To Save Select waveform destination...
  • Page 16 QUICK REFERENCE GDS-1000A Series User Manual Save/Recall key 5/10 Save/Recall key 7/10 Select other menu Select other menu Display Refs. Save Waveform Turn ref. waveform A on/off Select source Ref.A Source →VAR Turn ref. waveform B on/off Select destination Ref.B Destination →VAR...
  • Page 17 QUICK REFERENCE GDS-1000A Series User Manual Save/Recall key 9/10 Trigger key 1/6 Select other menu Select Trigger type or Trigger Trigger Type Trigger Holdoff MENU MENU Holdoff menu Save All Type Turn on/off ink saver Type Holdoff Edge 40.0ns Ink Saver...
  • Page 18 QUICK REFERENCE GDS-1000A Series User Manual Trigger key 3/6 Trigger key 5/6 Select edge trigger type Select trigger slope type Edge Slope Select trigger source Select trigger coupling mode Source Coupling Go to slope/coupling menu Select frequency rejection (page36) Rejection...
  • Page 19 QUICK REFERENCE GDS-1000A Series User Manual Utility key 1/6 Utility key 3/6 Go to hardcopy menu Select Hardcopy function Utility Hardcopy – Save All Function Hardcopy Function Save All Go to probe compensation menu Turn on/off Inksaver Hardcopy To Hardcopy...
  • Page 20 QUICK REFERENCE GDS-1000A Series User Manual Default Settings Utility key 5/6 Here are the factory installed panel settings which Select Hardcopy functionSelect appear when pressing the Save/Recall key→ Function Default Setup. Turn on/off Inksaver Mode: Normal Acquisition Ink Saver Scale: 2V/Div...
  • Page 21 QUICK REFERENCE GDS-1000A Series User Manual Built-in Help Help The Help key shows the contents of the built-in EASUREMENT help support. When you press a function key, its descriptions appear in the display. Acquire Display Utility Help Autoset Applicable keys The Measurement chapter describes how to properly observe a signal using the oscilloscope’s...
  • Page 22 MEASUREMENT GDS-1000A Series User Manual Before Autoset After Autoset Undo option To undo the Autoset, press Undoing the Undo (available for a few Autoset To de-activate the channel, press the Channel key De-activating a seconds). channel twice (once if the channel menu is already selected).
  • Page 23 MEASUREMENT GDS-1000A Series User Manual TIME/DIV Selecting the To select the timebase (scale), turn horizontal scale the TIME/DIV knob; left (slow) or right (fast). Range 1ns/Div ~ 10s/Div, 1-2.5-5 increment Waveforms can be moved or scaled in both the Waveform operation Run and Stop mode.
  • Page 24 MEASUREMENT GDS-1000A Series User Manual 3. Press ProbeComp. Using the probe compensation signal This section introduces how to use Background 4. Press Wave type repeatedly the probe compensation signal for to select the wave type. general usage, in case the DUT signal is not available or to get a second signal for comparison.
  • Page 25 MEASUREMENT GDS-1000A Series User Manual Global low voltage. Automatic Measurements Averaged voltage of the first Vavg The automatic measurement function measures input signal cycle. attributes and updates them in the display. Up to 5 automatic RMS (root mean square) measurement items can be updated at any one time on the side Vrms voltage.
  • Page 26 MEASUREMENT GDS-1000A Series User Manual Time between: Source 1 first rising edge and Source 2 first falling edge Time between: Source 1 first falling edge and Source 2 first rising edge Time between: Source 1 first falling edge and Source 2 first falling edge...
  • Page 27 MEASUREMENT GDS-1000A Series User Manual 7. Press F2 repeatedly to Cursor Measurements change the channel for Cursor lines, horizontal or vertical, show the precise position of the Source2. input waveforms or the math operation results. The horizontal CH1, 2, Math...
  • Page 28 MEASUREMENT GDS-1000A Series User Manual Moving the To move the left cursor, press Moving the To move the upper cursor, horizontal X1 and then use the Variable vertical cursors press Y1 and then use the cursors knob. Variable knob. To move the right cursor, press...
  • Page 29 MEASUREMENT GDS-1000A Series User Manual Single-shot phenomenon Suitable for..Math Operations (this mode is the same as having no window at all) The Math operations can add, subtract, multiply or perform Frequency resolution Bad FFT/FFT RMS on the input waveforms. The resulted waveform can...
  • Page 30 MEASUREMENT GDS-1000A Series User Manual 8. To clear the FFT result from Using the FFT function the display, press the Math key again. 1. Press the Math key. Procedure 2. Press Operation repeatedly to select FFT or FFT RMS. 3. Press Source repeatedly to select the source channel.
  • Page 31 CONFIGURATION GDS-1000A Series User Manual Multiple data is averaged to form a Average waveform. This mode is useful for drawing a noise-free waveform. To select the number, press Average ONFIGURATION repeatedly. Average number: 2, 4, 8, 16, 32, 64, 128,...
  • Page 32 CONFIGURATION GDS-1000A Series User Manual 7. Press Normal. 8. Press Peak-Detect and see that a spike noise is captured. The peak detect mode reveals the occasional glitch. Example With Delay Off the expansion point and trigger Normal mode Peak detect mode Delay Off point are always in the same position.
  • Page 33 CONFIGURATION GDS-1000A Series User Manual Display Real time vs Equivalent time sampling mode The Display section describes how to configure the display settings: The oscilloscope automatically switches between Background drawing type, waveform accumulation, contrast adjustment, and two sampling modes, Real-time and Equivalent- grid settings.
  • Page 34 CONFIGURATION GDS-1000A Series User Manual Example Accumulation off Accumulation on Horizontal View The Horizontal view section describes how to configure the horizontal scale, position, waveform update mode, window zoom, and X-Y mode. Moving the waveform position horizontally The horizontal position knob...
  • Page 35 CONFIGURATION GDS-1000A Series User Manual Selecting the waveform update mode Zooming the waveform horizontally The display update mode is switched Background MENU Procedure/ range 1. Press the Horizontal Menu automatically or manually according to the key. horizontal scale. Updates the whole displayed waveform at once.
  • Page 36 CONFIGURATION GDS-1000A Series User Manual Vertical View (Channel) Viewing waveforms in the X-Y mode The Vertical view section describes how to set the vertical scale, The X-Y mode compares the voltage of Channel 1 Background position, bandwidth limitation, coupling mode, and attenuation.
  • Page 37 CONFIGURATION GDS-1000A Series User Manual AC coupling mode. Only the AC CH 1 1. Press the Channel key. Procedure portion of the signal appears on the display. This mode is useful for observing AC waveforms mixed with 2. Press F5 to toggle between DC components.
  • Page 38 CONFIGURATION GDS-1000A Series User Manual 2. Press Probe repeatedly to Limiting the waveform bandwidth select the attenuation level. Bandwidth limitation puts the input signal into a Background VARIABLE 3. Use the variable knob to 20MHz (−3dB) low-pass filter. This function is...
  • Page 39 CONFIGURATION GDS-1000A Series User Manual The Auto trigger status appears in the Trigger upper right corner of the display. The Trigger function configures the conditions by which the oscilloscope captures the incoming signals. Trigger type The oscilloscope acquires the SINGLE...
  • Page 40 CONFIGURATION GDS-1000A Series User Manual 1~263 for NTSC, 1~313 for PAL/SECAM Pressing Set to Minimum line sets the Holdoff time to the Sets the pulse width (20ns ~ 10s) and the triggering Pulse condition minimum, 40ns. condition. (pulse trigger) Note: The holdoff function is automatically...
  • Page 41 CONFIGURATION GDS-1000A Series User Manual 7. Press Coupling repeatedly to 4. Press Standard repeatedly to select the trigger coupling, select the video standard. DC or AC. NTSC, PAL, SECAM Range DC, AC Range 5. Press Polarity repeatedly to 8. Press Rejection to select the select the video signal frequency rejection mode.
  • Page 42 CONFIGURATION GDS-1000A Series User Manual 4. Press Mode repeatedly to 10. Press Noise Rej to turn the select the trigger mode, noise rejection on or off. Auto or Normal. To select the Single trigger mode, On, Off Range SINGLE press the Single key.
  • Page 43 CONFIGURATION GDS-1000A Series User Manual USB Port Interface Remote Control Interface The USB port can be set to auto detect, however occasionally the The Remote control interface section describes how to set up the USB host type cannot be detected. The USB Port function allows the USB interface for PC connection.
  • Page 44 CONFIGURATION GDS-1000A Series User Manual 5. Run this query command via the terminal System Settings application. The system settings show the oscilloscope’s system information and *idn? allow changing the language. This command should return the manufacturer, model number, serial number, and firmware version in the following format.
  • Page 45 CONFIGURATION GDS-1000A Series User Manual Utility Procedure 1. Press the Utility key. AVE/RECALL 2. Press Language repeatedly to select the language. The save function allows saving display images, waveform data, and panel settings into the oscilloscope’s internal memory or an external SD card.
  • Page 46 SAVE/RECALL GDS-1000A Series User Manual Contains the waveform amplitude and The memory depth is limited to 1 M points when Detail Waveform time of each point (4k/1M/2M) Memory Depth both channels are activated or 2M points when relative to the trigger point.
  • Page 47 A setup file saves or recalls the following settings. panel. Acquire mode  Contents SD Card The GDS-1000A series accepts the following SD source channel cursor on/off Cursor   restriction cards: cursor location ...
  • Page 48 SAVE/RECALL GDS-1000A Series User Manual SD card indicator When an SD card is inserted into the oscilloscope, 2. If the file/folder still needs an indicator appears at the right bottom corner of to be deleted, press Delete the display. (The SD card shouldn’t be removed again to complete the when a file is saved or retrieved from the SD card).
  • Page 49 Current system settings (*.set)  active only. Current waveform data (*.csv)  The GDS-1000A series accepts the following SD SD Card Hardcopy 7. Press the Hardcopy key. cards: restriction The file or folder will be...
  • Page 50 When saved, the setup file will be placed in the root directory. Panel settings  (xxxx.set) 5. Press Save to confirm The GDS-1000A series accepts the following SD SD Card saving. When completed, a cards: restriction message appears at the...
  • Page 51 SAVE/RECALL GDS-1000A Series User Manual SD Normal Save to the SD card with a 4k File utilities To edit SD card contents waveform memory length. (create/ delete/ rename files and folders), press File Utilities. Save to the SD card with a 1M SD 1M For details, see page94.
  • Page 52 SAVE/RECALL GDS-1000A Series User Manual Save/Recall Save/Recall 3. Press Save Image. 2. Press the Save/Recall key twice to access the Save menu. 4. Press Ink Saver repeatedly to 3. Press Save All. The following invert the background color information will be saved.
  • Page 53 Waveform data   For details, see page94. (DSxxxx.csv) A, B External memory: SD  card The GDS-1000A series accepts the following SD SD Card cards: restriction Type: SD, SDHC Class: 2,4,6 Size: Up to 32GB (SDHC) Format: FAT or FAT32 Arrow.com.
  • Page 54 SAVE/RECALL GDS-1000A Series User Manual Recalling the default panel settings Recalling a reference waveform to the display Save/Recall 1. Press the Save/Recall key. 1. The reference waveform must be stored in Procedure Procedure advance. See page 101 for details. 2. Press Default Setup. The Save/Recall 2.
  • Page 55 SAVE/RECALL GDS-1000A Series User Manual 3. Press Recall Setup. 3. Press Recall Waveform. The display shows the available source and destination options. 4. Press Source repeatedly to select the file source, 4. Press Source repeatedly to internal or external select the file source, VARIABLE memory.
  • Page 56 SAVE/RECALL GDS-1000A Series User Manual VARIABLE 4. Use the Variable knob to File utilities To edit the SD card contents choose a file name (create/ delete/ rename files (DSXXXX.BMP). and folders), press File Utilities. For details, see page94. The image file must be placed...
  • Page 57 PRINT GDS-1000A Series User Manual 4. Press Function repeatedly to select Printer. RINT 5. To invert the color in the display image, press Ink Saver. This turns Ink Saver The GDS-1000A is able to print screen images on or off.
  • Page 58 MAINTENANCE GDS-1000A Series User Manual 7. The Channel1 calibration Ch1 calibration 1/3 will complete in less than 5 minutes. AINTENANCE 8. When finished, connect the Done!! calibration signal to the Channel 2 input and repeat Two types of maintenance operations are the procedure.
  • Page 59 MAINTENANCE GDS-1000A Series User Manual 4. Press Wavetype repeatedly to select the standard square wave. Autoset 5. Press the Autoset key. The compensation signal will appear in the display. • The input signal does not appear in the display. 6. Press the Display key, then •...
  • Page 60 GDS-1000A Series User Manual The waveform does not update (frozen). The accuracy does not match the specifications. Press the Run/Stop key to unfreeze the waveform. See page44 for Make sure the device is powered on for at least 30 minutes, within details.
  • Page 61 APPENDIX GDS-1000A Series User Manual GDS-1000A Series Specifications The specifications apply when the oscilloscope is powered on for at least 30 minutes under +20°C~+30°C. PPENDIX Model-specific specifications Fuse Replacement GDS-1062A Bandwidth (–3dB) DC coupling: DC ~ 60MHz AC coupling: 10Hz ~ 60MHz Bandwidth Limit 20MHz (−3dB)
  • Page 62 APPENDIX GDS-1000A Series User Manual Cursors and Voltage Vpp, Vamp, Vavg, Vrms, Vhi, Vlo, Vmax, Common specifications Measurement Vmin, Rise Preshoot/ Overshoot, Fall Preshoot/ Overshoot Vertical Sensitivity 2mV/div~10V/Div (1-2-5 increments) Time Freq, Period, Rise Time, Fall Time, + Accuracy ± (3% x |Readout|+0.1div + 1mV) Width, –...
  • Page 63 Safety Requirements Safety Standard EN 61010-031 CAT II IEC/EN 61010-1: 2001 * Note: GW Instek reserves the right to change the probe model type (GTP-060A-4, GTP-100A-4, GTP-150A-2) at anytime without notice for probe model types of similar specification. Arrow.com. Downloaded from...
  • Page 64 INDEX GDS-1000A Series User Manual Expand Ground ......73 in display save ......103 in hardcopy ........98 External trigger ......77 in print .......... 114 input terminal ....... 16 in save all ........104 Falling time measure ....50 Input frequency indicator ..
  • Page 65 INDEX GDS-1000A Series User Manual condition ........79 recall ..........108 save ..........101 X-Y mode ........71 menu tree ........35 recall menu tree ......29 save menu tree ......32 specification ......... 123 Real time sampling ....65 save menu tree ......