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

GW Instek GDS-1000-U Series User Manual

Digital storage oscilloscope
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Digital Storage Oscilloscope
GDS-1000-U Series
USER MANUAL
GW INSTEK PART NO. 82DS-112AUEB1
ISO-9001 CERTIFIED MANUFACTURER

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Summary of Contents for GW Instek GDS-1000-U Series

  • Page 1 Digital Storage Oscilloscope GDS-1000-U Series USER MANUAL GW INSTEK PART NO. 82DS-112AUEB1 ISO-9001 CERTIFIED MANUFACTURER...
  • Page 2 April 2013 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Table of Contents SAFETY INSTRUCTIONS ........8 Safety Symbols ............... 8 Safety Guidelines ..............9 Power cord for the United Kingdom ........12 GETTING STARTED ........13 Main Features ..............13 Panel Overview ..............15 Front Panel ................15 Rear Panel ................
  • Page 4 GDS-1000-U Series User Manual Trigger key 3/5 ..............37 Trigger key 4/5 ..............37 Trigger key 5/5 ..............38 Utility key 1/10 (Utility #1) ..........38 Utility 2/10 (Utility #2) ............39 Utility key 3/10 (Utility #3) ..........40 Utility key 4/10 (Hardcopy -Save All) ........40 Utility key 5/10 (Hardcopy -Save Image) ......
  • Page 5 TABLE OF CONTENTS Edit: Source ................69 Edit: Setup Parameters ............69 Run Data logging ..............71 CONFIGURATION .......... 72 Acquisition ................ 72 Selecting the acquisition mode ..........72 Real time vs Equivalent time sampling mode ..... 75 Display ................76 Selecting vector or dot drawing ...........
  • Page 6 The saved display image is too dark on the background. . 120 The accuracy does not match the specifications....121 APPENDIX ............ 122 Fuse Replacement ............122 GDS-1000-U Series Specifications ........123 Model-specific specifications ..........123 Common specifications ............. 124 Probe Specifications ............126 GDS-1052-U &...
  • Page 7 TABLE OF CONTENTS INDEX ............130...

  • Page 8: Safety Instructions

    GDS-1000-U Series User Manual AFETY INSTRUCTIONS This chapter contains important safety instructions that should be followed when operating and storing the oscilloscope. Read the following before any operation to ensure your safety and to keep the oscilloscope in the best condition.

  • Page 9: Safety Guidelines

    SAFETY INSTRUCTIONS Do not dispose electronic equipment as unsorted municipal waste. Please use a separate collection facility or contact the supplier from which this instrument was purchased. Safety Guidelines Make sure the BNC input voltage does not General  Guideline exceed 300V peak.
  • Page 10 GDS-1000-U Series User Manual AC Input voltage: 100 ~ 240V AC, 47 ~ 63Hz Power Supply  The power supply voltage should not fluctuate  WARNING more than 10%. Connect the protective grounding conductor of  the AC power cord to an earth ground.
  • Page 11 SAFETY INSTRUCTIONS (Pollution Degree) EN 61010-1:2001 specifies pollution degrees and their requirements as follows. The oscilloscope falls under degree 2. Pollution refers to “addition of foreign matter, solid, liquid, or gaseous (ionized gases), that may produce a reduction of dielectric strength or surface resistivity”.

  • Page 12: Power Cord For The United Kingdom

    GDS-1000-U Series User Manual Power cord for the United Kingdom When using the oscilloscope in the United Kingdom, make sure the power cord meets the following safety instructions. NOTE: This lead/appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED...

  • Page 13: Getting Started

    GETTING STARTED ETTING STARTED The Getting started chapter introduces the oscilloscope’s main features, appearance, and set up procedure. Main Features Model name Frequency bandwidth Input channels GDS-1052-U DC –50MHz (–3dB) GDS-1072-U DC – 70MHz (–3dB) GDS-1102-U DC – 100MHz (–3dB) 250MSa /S real-time sampling rate Performance ...
  • Page 14 GDS-1000-U Series User Manual USB 2.0 full-speed interface for saving and Interface  recalling data Calibration output  External trigger input  USB B type (slave) interface for remote control ...

  • Page 15: Panel Overview

    GETTING STARTED Panel Overview Front Panel Function V ARIABLE Vertical VOLTS/DIV Horizontal Display keys knob POSITION knob POSITION knob knob Menu keys Acquire Display Utility Help Autoset VARIABLE Trigger Cursor Measure Save / Recall Hardcopy Run / Stop LEVEL knob VERTICAL HORIZONTAL TRIGGER...
  • Page 16 GDS-1000-U Series User Manual Configures the Hardcopy function Utility Utility key (page 101), shows the system status (page 94), selects the menu language (page 94), runs the self calibration (page 116), configures the probe compensation signal (page 117), and selects the USB host type (page 93).
  • Page 17 GETTING STARTED Configures the horizontal view MENU Horizontal menu (page 78). Moves the waveform horizontally Horizontal position knob (page 78). Selects the horizontal scale (page TIME/DIV knob TIME/DIV 78). Moves the waveform vertically Vertical position knob (page 82). CH 1 Configures the vertical scale and CH1/CH2 key coupling mode for each channel...
  • Page 18 GDS-1000-U Series User Manual Powers the oscilloscope on or off. Power switch...

  • Page 19: Rear Panel

    GETTING STARTED Rear Panel Security lock Fuse socket Power cord socket CAL output USB port slot LINE VOLTAGE AC 100 240V RANGE FREQUENCY 60Hz FUSE RATING 250V POWER MAX. 18W 40VA Power cord socket accepts the AC Power cord mains, 100 ~ 240V, 50/60Hz. socket The fuse socket holds the AC main Fuse socket...

  • Page 20: Display

    GDS-1000-U Series User Manual Display Waveform marker Waveform position Trigger status Acquisition Menu Vertical status Horizontal status Frequency Trigger condition Channel 1: Yellow Channel 2: Blue Waveforms A signal is being triggered Trigger status Trig’d Waiting for a trigger condition...

  • Page 21: Setting Up The Oscilloscope

    GETTING STARTED Setting up the Oscilloscope This section describes how to set up the Background oscilloscope properly including adjusting the handle, connecting a signal, adjusting the scale, and compensating the probe. Before operating the oscilloscope in a new environment, run these steps to make sure the oscilloscope is functionally stable.
  • Page 22 GDS-1000-U Series User Manual 6. Connect the probe between the Channel1 input terminal and probe compensation signal output (2Vp-p, 1kHz square wave). 7. Set the probe attenuation voltage to x10. Acquire Display Utility Help Autoset VARIABLE Cursor Measure Save/Recall Hardcopy...
  • Page 23 GETTING STARTED 10. Turn the adjustment point on the probe to flatten the square waveform edge. Over Under Normal Compensation Compensation 11. Setting up the oscilloscope is complete. You may continue with the other operations. Measurement: page 45 Configuration: page 72...

  • Page 24: Quick Reference

    GDS-1000-U Series User Manual UICK REFERENCE 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 functions. Menu Tree and Shortcuts Examples Conventions = Press the functional key for “Normal”...

  • Page 25: Ch1/Ch2 Key

    QUICK REFERENCE Select acquisition mode Acquire Normal ~ Peak-Detect Select average number Normal Average 2/ 4/ 8/ 16/ 32/ Average 64/ 128/ 256 Turn Delay on/off Peak Detect Sample Rate 500MS/s CH1/CH2 key Turn channel on/off CH 1/2 Coupling Select coupling mode Coupling Invert On/Off...

  • Page 26: Cursor Key 1/2

    GDS-1000-U Series User Manual Cursor key 1/2 Turn cursor on/off Cursor Cursor Move X1 cursor Source CH1/ 2/ MATH X1→ VAR 123.4us Move X2 cursor 212.0mV 22.9us X2→ VAR 0.000V X1 X2 Move both X1 and X2 cursor 2 3 .6 u s 1 1 .9 H z...

  • Page 27: Display Key

    QUICK REFERENCE Display key Select waveform type Display Type Waveform accumulate On/Off Type Vectors/ Dots Vectors Accumulate Accumulate On/ Off Refresh accumulation Refresh Refresh Set display contrast Contrast Contrast →VAR Full Select display grid Autoset key Automatically find the signal and set the scale Autoset Autoset Hardcopy key...

  • Page 28: Horizontal Menu Key

    GDS-1000-U Series User Manual Horizontal menu key Select main (default) display MENU Main Select window mode Main Window →TIME/DIV Window Zoom in window mode Window Window Zoom Zoom Select window roll mode Roll Roll Select XY mode Math key 1/2 (+/-)

  • Page 29: Math Key 2/2 (Fft)

    QUICK REFERENCE Math key 2/2 (FFT) Math on/off MATH Math CH1+CH2 CH1-CH2 Operation Select math operation type (+/–/ /FFT) Source CH1/2 Operation Window Flattop Select FFT source channel Hanning Rectangular Blackman Source Hanning Position Select FFT window -12 Div~ + 12Div 0.00Div Window Unit/Div...

  • Page 30: Measure Key

    GDS-1000-U Series User Manual Measure key Measure Measure 1:204mV 2: 300mV Vavg 1: 1.93mV 2: 28.0mV Frequency Voltage Voltage/Time 1: 1.000kHz 2: 3.003kHz Duty Cycle 1: 50.01% 2: 49.88% Rise Time Previous 1. 76.20us Menu 2. 70.11us Turn on/off measurement...

  • Page 31: Save/Recall Key 1/9

    QUICK REFERENCE Save/Recall key 1/9 Save/Recall Save/Recall Default Save To Save Setup Setup Setup Save To Save Waveform Waveform Save Recall To Recall To Save Setup Image Image Setup Save Recall To Recall To Save Waveform Waveform Display To Display Refs Refs.

  • Page 32: Save/Recall Key 3/9

    GDS-1000-U Series User Manual Save/Recall key 3/9 Select other menu Recall Waveform Recall Recall Waveform Waveform Source Select waveform source Memory/USB Memory →VAR Source Ref A/B Destination Select waveform destination Recall Destination →VAR File (USB only) To File Utilities Utilities...

  • Page 33: Save/Recall Key 5/9

    QUICK REFERENCE Save/Recall key 5/9 Select other menu Save Setup Save Save Setup Setup Select destination Destination →VAR Destination Memory/USB Memory Save setup Save Save File (USB only) To File Utilities Utilities Go to USB file utilities File Utilities Save/Recall key 6/9 Select other menu Save Waveform Save...

  • Page 34: Save/Recall Key 7/9

    GDS-1000-U Series User Manual Save/Recall key 7/9 Select other menu Save Image Save Save Image Image Ink Saver Turn on/off ink saver On/ Off Destination Ink Saver Save image Save Save File (USB only) To File Utilities Utilities Go to USB file utilities...

  • Page 35: Save/Recall Key 8/9

    QUICK REFERENCE Save/Recall key 8/9 Select other menu Save All Save Save All Ink Saver Turn on/off ink saver On/ Off Destination Ink Saver Select destination Save (USB only) →VAR Destination File To File Utilities Utilities Save all Save Go to USB file utilities File Utilities Save/Recall key 9/9 Select file/folder...

  • Page 36: Trigger Key 1/5

    GDS-1000-U Series User Manual Trigger key 1/5 Select Trigger type Trigger Type MENU Type Type Edge Source Slope / Coupling Mode Auto Trigger key 2/5 Select video trigger type Video Trigger Type Type Video Source Select trigger source CH1/2 Standard...

  • Page 37: Trigger Key 3/5

    QUICK REFERENCE Trigger key 3/5 Select edge trigger type Edge Trigger Type Edge Edge Source Select trigger source CH1/2/Ext/Line Source Go to slope/coupling menu (page Slope / To Slope/Coupling Coupling Mode Auto/ Normal Auto Slope/Coupling Select trigger mode Mode Trigger key 4/5 Select pulse trigger type Pulse Trigger Type...

  • Page 38: Trigger Key 5/5

    GDS-1000-U Series User Manual Trigger key 5/5 Select trigger slope type Coupling/Slope Slope Slope Coupling AC/ DC Select trigger coupling mode Rejection LF/ HF/ Off Coupling Noise Rej Select frequency rejection On/ Off Previous Rejection Menu Turn noise rejection on/off...

  • Page 39: Utility 2/10 (Utility #2)

    QUICK REFERENCE Utility 2/10 (Utility #2) Go to the Go-NoGo menu Utility To Go-NoGo Go-NoGo Go-NoGo menu Menu No Go When Set the NoGo conditions to inside /outside limits To Data Data logging Logging menu Menu No Go When Go to the Data Logging Menu To Utility #3 menu More Data Logging...

  • Page 40: Utility Key 3/10 (Utility #3)

    GDS-1000-U Series User Manual Utility key 3/10 (Utility #3) Enter self calibration Calibration Self CAL To Self CAL menu Self CAL Menu Go to the first Utility menu More To Utility #1 menu More Utility key 4/10 (Hardcopy -Save All)

  • Page 41: Utility Key 6/10 (Probe Compensation)

    QUICK REFERENCE Utility key 6/10 (Probe compensation) Select probe compensation signal Probe compensation Wave Type Wave Type Frequency only) Set frequency for square wave 1k ~ 100k Duty Cycle only) Frequency →VAR 5% ~ 95% Set duty cycle for square wave Default 1kHz Duty Cycle →VAR...

  • Page 42: Utility Key 8/10 (Data Logging 1/2)

    GDS-1000-U Series User Manual Utility key 8/10 (Data Logging 1/2) Turn Data Logging On/Off Data logging Data logging On/Off Data logging Source Set the logging source CH1/CH2 To the Edit Source Setup menu Go to the Data Logging Edit menu...

  • Page 43: Default Settings

    QUICK REFERENCE Default Settings Here are the factory installed panel settings which Save/Recall Default appear when pressing the Save/Recall key→ Setup Default Setup. Mode: Normal Acquisition Scale: 2V/Div Invert: Off Channel Coupling: DC Probe attenuation voltage: x1 BW limit: Off Channel 1 &...

  • Page 44: Built-In Help

    GDS-1000-U Series User Manual Built-in Help The Help key shows the contents of the built-in Help help support. When you press a function key, its descriptions appear in the display. Applicable keys Acquire Display Utility Help Autoset Cursor Measure Save/Recall...

  • Page 45: Measurement

    MEASUREMENT EASUREMENT The Measurement chapter describes how to properly observe a signal using the oscilloscope’s basic functions, and how to observe a signal in a detailed manner using some of the advanced functions such as: Automatic measurements, cursor measurements, and math operations. Basic Measurements This section describes the basic operations required in capturing and viewing an input signal.

  • Page 46: Using Autoset

    GDS-1000-U Series User Manual Channel 1 off Channel 1 on Channel indicator Channel icon To de-activate the channel, press the Channel key De-activating a twice (once if the channel menu is already channel selected). Using Autoset The Autoset function automatically configures the...

  • Page 47: Running And Stopping The Trigger

    MEASUREMENT Before Autoset After Autoset Undo option To undo the Autoset, press Undoing the Undo Autoset Undo (available for a few seconds). If the waveform is still LEVEL Adjusting the unstable, try adjusting the trigger level trigger level up or down by using the Trigger Level knob.

  • Page 48: Changing The Horizontal Position And Scale

    GDS-1000-U Series User Manual Trigger Run mode Trigger Stop mode Auto or Stop icon Trig icon Waveforms can be moved or scaled in both the Waveform Run and Stop mode. For details, see page 78 operation (Horizontal position/scale) and page 82 (Vertical position/scale).

  • Page 49: Changing The Vertical Position And Scale

    MEASUREMENT To select the timebase (scale), turn Selecting the TIME/DIV horizontal scale the TIME/DIV knob; left (slow) or right (fast). Range 1ns/Div ~ 10s/Div, 1-2.5-5 increment Horizontal scale: 50us/div Horizontal scale: 250us/div Changing the vertical position and scale For more detailed configuration, see page 82. To move the waveform up or Set vertical down, turn the vertical position...

  • Page 50: Using The Probe Compensation Signal

    GDS-1000-U Series User Manual Using the probe compensation signal This section introduces how to use Background the probe compensation signal for general usage, in case the DUT signal is not available or to get a second signal for comparison. For probe compensation details, see page 117.
  • Page 51 MEASUREMENT 4. Press Wave type repeatedly Wave Type to select the wave type. 5. (For only) To change Frequency the frequency, press Frequency and use the VARIABLE Variable knob. 1kHz ~ 100kHz Range 6. (For only) To change Duty Cycle the duty cycle, press Duty Cycle and use the Variable knob.

  • Page 52: Automatic Measurements

    GDS-1000-U Series User Manual Automatic Measurements The automatic measurement function measures input signal attributes and updates them in the display. Up to 5 automatic measurement items can be updated at any one time on the side menus. All automatic measurement types can be displayed on screen if necessary.
  • Page 53 MEASUREMENT Global high voltage. Global low voltage. Averaged voltage of the first Vavg cycle. RMS (root mean square) Vrms voltage. Rise overshoot voltage. ROVShoot Fall overshoot voltage. FOVShoot Rise preshoot voltage. RPREShoot Fall preshoot voltage. FPREShoot Frequency of the waveform. Time Freq measurement...

  • Page 54: Automatically Measuring The Input Signals

    GDS-1000-U Series User Manual Automatically measuring the input signals 1. Press the Measure key. Measure Viewing the measurement result 2. The measurement results appear on the menu bar, constantly updated. 5 measurement slots (F1 to F5) can be customized. 3. Press F3 repeatedly to select...

  • Page 55: Cursor Measurements

    MEASUREMENT Cursor Measurements Cursor line, horizontal or vertical, shows the precise position of the input waveforms or the math operation results. The horizontal cursor can track time, voltage and frequency, whilst the vertical cursor can track voltage. Using the horizontal cursors 1.

  • Page 56: Using The Vertical Cursors

    GDS-1000-U Series User Manual To move the right cursor, press 22.9us X2 and then use the Variable 0.000V knob. To move both cursors at once, X 1 X 2 2 3 . 6 u s press X1X2 and then use the 1 1 .
  • Page 57 MEASUREMENT To move both cursors at once, Y1Y2 press Y1Y2 and then use the 1 0 . 5 m V Variable knob. Press Cursor to remove the Cursor Remove cursors onscreen cursors.

  • Page 58: Math Operations

    GDS-1000-U Series User Manual Math Operations The Math operations can add, subtract, or perform FFT on the input waveforms. The resulted waveform can be measured using the cursors, and saved or recalled just like normal input signals. Overview Adds the amplitude of CH1 & CH2 signals.

  • Page 59: Adding, Subtracting Or Multiplying Signals

    MEASUREMENT Adding, subtracting or multiplying signals 1. Activate both CH1 and CH 1 CH 2 Procedure CH2. 2. Press the Math key. 3. Press Operation repeatedly Operation to select addition (+) or CH1+CH2 subtraction (–). 4. The math measurement Unit/Div result appears in the display.
  • Page 60 GDS-1000-U Series User Manual 4. Press Window repeatedly to Window select the FFT window type. Hanning 5. The FFT result appears. The horizontal scale changes from time to frequency, and the vertical scale from voltage to dB. 6. To move the FFT waveform...

  • Page 61: Go No-Go Testing

    MEASUREMENT Go No-Go Testing Overview Go-NoGo testing checks if a waveform conforms to Background a user-specified maximum and minimum boundary (template). The testing can be set to stop or continue each time the template has or has not been violated by the input waveform. Item Settings Default...

  • Page 62: Edit: Nogo When

    GDS-1000-U Series User Manual Edit: NoGo When 1. Press the Utility key. Procedure Utility 2. Press the More key. More 3. Press No Go When No Go When repeatedly to select the NoGo conditions. NoGo when the waveform is inside the boundary (template)

  • Page 63: Edit: Nogo Violation Conditions

    MEASUREMENT Edit: NoGo Violation Conditions 1. Press the Utility key. Procedure Utility 2. Press the More key. More 3. Press the Go-NoGo Menu Go-NoGo key. Menu 4. Press Violating repeatedly Violating to select the NoGo Stop conditions. Stops the test when the NoGo Stop conditions have been met.
  • Page 64 GDS-1000-U Series User Manual customizable. Disadvantage: The waveforms (templates) have to be stored internally prior to this selection. Creates the upper and lower Auto boundary (template) from the source signal, not from an internally stored waveform. Advantage: No need to store the waveforms prior to this selection.
  • Page 65 MEASUREMENT 7. Press Source and use the Source Variable knob to select the W 01 waveform template. VARIABLE Waveform A: Ref A, W01~W15 Waveform B: Ref B, W01~W15 8. Press Position and use the Source Variable knob to set the W 01 waveform amplitude.
  • Page 66 GDS-1000-U Series User Manual 1. The template is based on the source signal. Auto Ensure the source signal appears on the display. 2. Press the Utility key. Utility 3. Press the More key. More 4. Press the Go-NoGo Menu Go-NoGo key.

  • Page 67: Run Go-Nogo Tests

    MEASUREMENT 0.04 Div ~ 4.0 Div 9. When the Auto template has Save & been configured, press Save Create & Create to save the template. Auto template Tolerance Source waveform Run Go-NoGo Tests 1. Press the Utility key. Utility Procedure 2.

  • Page 68: Data Logging

    GDS-1000-U Series User Manual 4. Press Go-NoGo. The test Go-NoGo starts and stops according to the conditions set on page 62, 63. To stop the test that has already started, press Go-NoGo again. 5. The test results appear in Ratio: the Ratio soft-key.

  • Page 69: Edit: Source

    MEASUREMENT Edit: Source 1. Press the Utility key. Procedure Utility 2. Press the More key. More 3. Press the Data logging Menu Data logging key. Menu 4. Press Source repeatedly to Source select the source channel (CH1 or CH2). Edit: Setup Parameters The logging function must set the type of data that Background will be logged (waveform/image), the capture...
  • Page 70 GDS-1000-U Series User Manual 5. Press Save repeatedly to log Save data or screen images. Waveform 6. Press Interval and use the Interval Variable knob to select the 2 mins interval time. VARIABLE 2 secs~ 2min (duration = 5 min)

  • Page 71: Run Data Logging

    MEASUREMENT Run Data logging Ensure the data source (page 69) and data logging Background setup has been set (page 69). 1. Insert a USB flash drive into Procedure the USB front panel port. 2. Press the Utility key. Utility 3. Press the More key. More 4.

  • Page 72: Configuration

    GDS-1000-U Series User Manual ONFIGURATION The Configuration chapter describes how to configure panel settings to make measurements and observations suited to the application needs. Acquisition The acquisition process samples the analog input signals and converts them into digital format for internal processing. You may select the normal, average, or peak detect acquisition mode.
  • Page 73 CONFIGURATION 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 repeatedly. Average number: 2, 4, 8, 16, 32, 64, 128, Peak detect To activate the Peak detect mode, press Peak-Detect.
  • Page 74 GDS-1000-U Series User Manual 7. Press Normal. Normal 8. Press Peak-Detect and see Peak that a spike noise is Detect captured. The peak detect mode reveals the occasional glitch. Example Normal mode Peak detect mode...

  • Page 75: Real Time Vs Equivalent Time Sampling Mode

    CONFIGURATION Real time vs Equivalent time sampling mode The oscilloscope automatically switches between Backgrounds two sampling modes, Real-time and Equivalent- time, according to the number of active channels and sampling rate. One sampled data is used to reconstruct a single Real-time waveform.

  • Page 76: Display

    GDS-1000-U Series User Manual Display The Display section describes how to configure the display settings: drawing type, waveform accumulation, contrast adjustment, and grid settings. Selecting vector or dot drawing 1. Press the Display key. Procedure Display 2. Press Type repeatedly to...

  • Page 77: Adjusting The Display Contrast

    CONFIGURATION Example Accumulation off Accumulation on Adjusting the display contrast Display 1. Press the Display key. Procedure 2. Press Contrast. Contrast Turn the Variable knob left to VARIABLE lower the contrast (dark display) or right to raise the contrast (bright display). Selecting the display grid 1.

  • Page 78: Horizontal View

    GDS-1000-U Series User Manual 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 Procedure moves the waveform left or right.

  • Page 79: Selecting The Waveform Update Mode

    CONFIGURATION Selecting the waveform update mode The display update mode is switched Background automatically or manually according to the horizontal scale. Updates the whole displayed waveform at once. Main mode The main mode is automatically selected when the horizontal scale (timebase) is fast. Horizontal scale ≤100ms/div All modes available Trigger...

  • Page 80: Zooming The Waveform Horizontally

    GDS-1000-U Series User Manual Zooming the waveform horizontally Procedure/ range 1. Press the Horizontal Menu MENU key. 2. Press Window. Window 3. Use the horizontal position knob to move the zoom range sideways, and TIME/DIV TIME/DIV knob to change the zoom range width.

  • Page 81: Viewing Waveforms In The X-Y Mode

    CONFIGURATION Viewing waveforms in the X-Y mode The X-Y mode compares the voltage of Channel 1 Background and Channel 2 waveforms in a single display. This mode is useful for observing the phase relationship between the two waveforms. 1. Connect the signals to Procedure Channel 1 (X-axis) and Channel 2 (Y-axis).

  • Page 82: Vertical View (Channel)

    GDS-1000-U Series User Manual Vertical View (Channel) The Vertical view section describes how to set the vertical scale, position, bandwidth limitation, coupling mode, and attenuation. Moving the waveform position vertically To move the waveform up or Procedure down, turn the vertical position knob for each channel.

  • Page 83: Inverting The Waveform Vertically

    CONFIGURATION AC coupling mode. Only the AC portion of the signal appears on the display. This mode is useful for observing AC waveforms mixed with DC components. Inverting the waveform vertically 1. Press the Channel key. CH 1 Procedure 2. Press Invert. The waveform Invert becomes inverted (upside down) and the Channel...
  • Page 84 GDS-1000-U Series User Manual 2. Press BW Limit to turn on or BW Limit off the limitation. When turned on, the BW indicator appears next to the Channel indicator in the display. Example BW Limit Off BW Limit On Selecting the probe attenuation level...

  • Page 85: Trigger

    CONFIGURATION Trigger The Trigger function configures the conditions by which the oscilloscope captures the incoming signals. Trigger type Triggers when the signal crosses an amplitude Edge threshold in either a positive or negative slope. Extracts a sync pulse from a video format signal Video and triggers on a specific line or field.
  • Page 86 GDS-1000-U Series User Manual The Auto trigger status appears in the upper right corner of the display. The oscilloscope acquires the Single SINGLE input signals once when a trigger event occurs, then stops acquiring. Pressing the Single key again will repeat the process.

  • Page 87: Configuring The Edge Trigger

    CONFIGURATION Longer than Equal to > Shorter than ≠ Not equal to < Triggers on the rising edge. Trigger slope Triggers on the falling edge. Triggers only on AC component. Trigger coupling Triggers on AC+DC component. Puts a high-pass filter and rejects the Frequency frequency below 50kHz.
  • Page 88 GDS-1000-U Series User Manual Auto, Normal Range 5. Press Slope/coupling to enter Slope / into the trigger slope and Coupling coupling selection menu. 6. Press Slope repeatedly to Slope select the trigger slope, rising or falling edge. Rising edge, falling edge Range 7.

  • Page 89: Configuring The Video Trigger

    CONFIGURATION Configuring the video trigger 1. Press the Trigger menu key. MENU Procedure 2. Press Type repeatedly to Type select video trigger. The Video video trigger indicator appears at the bottom of the display. 3. Press Source repeatedly to Source select the trigger source channel.

  • Page 90: Configuring The Pulse Width Trigger

    GDS-1000-U Series User Manual Configuring the pulse width trigger 1. Press the Trigger menu key. MENU Procedure 2. Press Type repeatedly to Type select pulse width trigger. Pulse The pulse width trigger indicator appears at the bottom of the display.

  • Page 91: Manually Triggering The Signal

    CONFIGURATION 7. Press Slope repeatedly to Slope select the trigger slope, which also appears at the bottom of the display. Rising edge, falling edge Range 8. Press Coupling repeatedly to Coupling select the trigger coupling. DC, AC Range 9. Press Rejection to select the Rejection frequency rejection mode.
  • Page 92 GDS-1000-U Series User Manual To acquire the input signal FORCE To acquire the signal regardless regardless of the trigger of trigger condition, press the Force key. conditions The oscilloscope captures the signals once. Press the Single key to start In the Single...

  • Page 93: Rear Panel Usb Port Interface

    CONFIGURATION Rear Panel USB Port Interface The Remote control interface section describes how to set up the USB interface for PC connection. The details of remote control commands are described in the GDS-1000-U Programming Manual. Type A, host USB connection PC end Type B, slave GDS-1000-U end...

  • Page 94: System Settings

    GDS-1000-U Series User Manual System Settings The system settings show the oscilloscope’s system information and allow changing the language. Viewing the system information 1. Press the Utility key. Utility Procedure 2. Press System Info. The upper System half of the display shows the Info.
  • Page 95 CONFIGURATION 1. Press the Utility key. Procedure Utility 2. Press Language repeatedly to Language select the language. English...

  • Page 96: Save/Recall

    GDS-1000-U Series User Manual AVE/RECALL The save function allows saving display images, waveform data, and panel settings into the oscilloscope’s internal memory or to the front panel USB port. The recall function allows recalling the default factory settings, waveform data, and panel settings from the oscilloscope’s internal memory or from USB.
  • Page 97 SAVE/RECALL A USB flash drive (FAT or FAT32 External format) can hold practically an USB Flash drive unlimited number of waveforms. Two reference waveforms are used as Ref A, B a buffer to recall a waveform in the display. You have to save a waveform into internal memory or to USB, then copy the waveform into the reference waveform slot (A or B), and then recall...

  • Page 98: Setup File Format

    GDS-1000-U Series User Manual Setup file format xxxx.set (proprietary format) Format A setup file saves or recalls the following settings. mode Acquire  Contents source channel cursor on/off Cursor   cursor location  dots/vectors accumulation Display   on/off grid type ...

  • Page 99: Using The Usb File Utilities

    SAVE/RECALL Using the USB file utilities When a USB flash drive is inserted into the Background oscilloscope, file utilities (file deletion, folder creation and file/folder renaming) are available from the front panel. 1. Insert a USB flash drive into Procedure the front panel USB port.
  • Page 100 GDS-1000-U Series User Manual 1. Move the cursor to the file Creating a new folder / renaming or folder location and press Folder a file or folder New Folder or Rename. The file/folder name and the Rename character map will appear on the display.

  • Page 101: Quick Save (Hardcopy)

    SAVE/RECALL Quick Save (HardCopy) The Hardcopy key works as a Hardcopy Background shortcut to save display images, waveform data, and panel settings onto a USB flash drive card. The Hardcopy key can be configured into two types of operations: save image and save all (image, waveform, setup).
  • Page 102 GDS-1000-U Series User Manual 5. To invert the color in the Ink Saver display image, press Ink Saver. This turns Ink Saver on or off. 6. Press the Hardcopy key. Hardcopy The file or folder will be saved to the root directory...

  • Page 103: Save

    SAVE/RECALL Save This section describes how to save data using the Save/Recall menu. File type/source/destination Item Source Destination Panel settings Internal memory: S1 ~ Panel setup   (xxxx.set) External memory: USB  Channel 1, 2 Internal memory: W1 ~ Waveform data ...

  • Page 104: Saving The Panel Settings

    GDS-1000-U Series User Manual Saving the panel settings 1. (For saving to USB flash Procedure drive) Insert the USB flash drive into the front panel USB port. 2. Press the Save/Recall key Save/Recall Save/Recall twice to access the Save menu.

  • Page 105: Saving The Waveform

    SAVE/RECALL To edit the USB drive contents File utilities File (create/ delete/ rename files Utilities and folders), press File Utilities. For details, see page 99. Saving the waveform 1. (For saving to USB flash Procedure drive) Insert the USB flash drive into the front panel USB port.

  • Page 106: Saving The Display Image

    GDS-1000-U Series User Manual Internal memory, W1 ~ W15 Memory Save to the USB flash drive with a 4k waveform memory length. Internal reference waveform, A/B 6. Press Save to confirm Save saving. When completed, a message appears at the bottom of the display.
  • Page 107 SAVE/RECALL 4. Press Ink Saver repeatedly to Ink Saver invert the background color (on) or not (off). Note: Destination is set as USB. Destination This cannot be changed. 5. Press Save to confirm Save saving. When completed, a message appears at the bottom of the display.

  • Page 108: Saving All (Panel Settings, Display Image, Waveform)

    GDS-1000-U Series User Manual Saving all (panel settings, display image, waveform) 1. (For saving to USB flash Procedure drive) Insert the USB flash drive into the front panel USB port. 2. Press the Save/Recall key Save/Recall Save/Recall twice to access the Save menu.
  • Page 109 SAVE/RECALL 6. Press Save to confirm saving. When completed, a Save message appears at the bottom of the display. The file will not be saved if the power is turned off or the USB flash Note drive is removed from the USB port.

  • Page 110: Recall

    GDS-1000-U Series User Manual Recall File type/source/destination Item Source Destination Factory installed Current front panel Default panel   setting setup Internal memory: A, B Current front panel Reference   waveform Internal memory: S1 ~ Current front panel Panel setup ...

  • Page 111: Recalling The Default Panel Settings

    SAVE/RECALL Recalling the default panel settings 1. Press the Save/Recall key. Save/Recall Procedure 2. Press Default Setup. The Default factory installed setting will Setup be recalled. Setting contents The following is the default panel setting contents. Mode: Normal Acquisition Coupling: DC Invert: Off Channel Probe attenuation: x1...

  • Page 112: Recalling A Reference Waveform To The Display

    GDS-1000-U Series User Manual Recalling a reference waveform to the display The reference waveform must be stored in Procedure advance. See page 105 for details. 1. Press the Save/Recall key. Save/Recall 2. Press Display Refs. The Display reference waveform display Refs.

  • Page 113: Recalling A Waveform

    SAVE/RECALL 3. Press Recall Setup. Recall Setup 4. Press Source repeatedly to Source select the file source, Memory internal or external VARIABLE memory. Use the Variable knob to change the memory. Internal memory, S1 ~ S15 Memory USB flash drive, DSXXXX.SET. The setup file(s) must be placed in the root directory to be recognized.
  • Page 114 GDS-1000-U Series User Manual 3. Press Recall Waveform. The Recall display shows the available Waveform source and destination options. 4. Press Source repeatedly to Source select the file source, Memory internal memory or USB. VARIABLE Use the Variable knob to change the memory location (W1 ~ W15)/DSXXXX.CSV.
  • Page 115 SAVE/RECALL To edit the USB drive contents File utilities File (create/ delete/ rename files Utilities and folders), press File Utilities. For details, see page 99.

  • Page 116: Maintenance

    GDS-1000-U Series User Manual AINTENANCE Two types of maintenance operations are available: calibrating the vertical resolution, and compensating the probe. Run these operations when using the oscilloscope in a new environment. Vertical Resolution Calibration 1. Press the Utility key. Procedure Utility 2.

  • Page 117: Probe Compensation

    MAINTENANCE 7. The Channel1 calibration Ch1 calibration 1/3 will complete in less than 5 minutes. 8. When finished, connect the Done!! calibration signal to the Channel 2 input and repeat the procedure. 9. When the calibration is complete the display will go back to the previous state.
  • Page 118 GDS-1000-U Series User Manual 4. Press Wavetype repeatedly to Wave Type select the standard square wave. 5. Press the Autoset key. The Autoset compensation signal will appear in the display. 6. Press the Display key, then Display Type Type to select the vector Vectors waveform.

  • Page 119: Faq

    • The input signal does not appear in the display. • I want to remove some contents from the display. • The waveform does not update (frozen). • The probe waveform is distorted. • Autoset does not catch the signal well. •...

  • Page 120: The Waveform Does Not Update (Frozen)

    GDS-1000-U Series User Manual The waveform does not update (frozen). Press the Run/Stop key to unfreeze the waveform. See page 47 for details. For trigger setting details, see page 84. If this does not help, press the CH key. If the signal still does not appear, press the Autoset key.

  • Page 121: The Accuracy Does Not Match The Specifications

    The accuracy does not match the specifications. Make sure the device is powered on for at least 30 minutes, within +20°C~+30°C. This is necessary to stabilize the unit to match the specification. For more information, contact your local dealer or GWInstek at www.gwinstek.com / marketing@goodwill.com.tw.

  • Page 122: Appendix

    GDS-1000-U Series User Manual PPENDIX Fuse Replacement 1. Remove the power cord and remove the fuse Procedure socket using a minus driver. Replace the fuse in the holder. T1A, 250V Ratings...

  • Page 123: Gds-1000-U Series Specifications

    APPENDIX GDS-1000-U Series Specifications The specifications apply when the oscilloscope is powered on for at least 30 minutes under +20°C~+30°C. Model-specific specifications GDS-1052-U Bandwidth (–3dB) DC coupling: DC ~ 50MHz AC coupling: 10Hz ~ 50MHz Bandwidth Limit 20MHz (−3dB) Trigger Sensitivity 0.5div or 5mV (DC ~ 25MHz) 1.5div or 15mV (25MHz~50MHz)

  • Page 124: Common Specifications

    GDS-1000-U Series User Manual Common specifications Vertical Sensitivity 2mV/div~10V/Div (1-2-5 increments) Accuracy ± (3% x |Readout|+0.1div + 1mV) Bandwidth See model-specific specifications Rise Time See model-specific specifications Input Coupling AC, DC, Ground Input Impedance 1MΩ±2%, ~15pF Polarity Normal, Invert Maximum Input 300V (DC+AC peak), CAT II +, –, FFT...
  • Page 125 APPENDIX Cursors and Voltage Vpp, Vamp, Vavg, Vrms, Vhi, Vlo, Vmax, Measurement Vmin, Rise Preshoot/ Overshoot, Fall Preshoot/ Overshoot Time Freq, Period, Rise Time, Fall Time, + Width, – Width, Duty Cycle Cursors Voltage difference (ΔV) and Time difference (ΔT) between cursors Auto Counter Resolution: 6 digits, Accuracy: ±2% Signal source: All available trigger source...

  • Page 126: Probe Specifications

    GDS-1000-U Series User Manual Probe Specifications GDS-1052-U & GDS-1072-U Probe Applicable model & GDS-1052-U, GDS-1072-U probe GTP-070A-4 Position x 10 Attenuation Ratio 10:1 Bandwidth DC ~ 70MHz Input Resistance 10MΩ when used with 1MΩ input Input Capacitance 28~32pF approx. ≤600Vpk, Derating with frequency...

  • Page 127: Gds-1102-U Probe

    APPENDIX GDS-1102-U Probe Applicable model & GDS-1102-U probe GTP-100A-4 Position x 10 Attenuation Ratio 10:1 Bandwidth DC ~ 100MHz Input Resistance 10MΩ when used with 1MΩ input Input Capacitance 14.5~17.5pF approx. ≤600Vpk, Derating with frequency Maximum Input Voltage Position x 1 Attenuation Ratio 1:1 Bandwidth DC ~ 6MHz...

  • Page 128: Dimensions

    GDS-1000-U Series User Manual Dimensions 341.5 159.0 115.1 Acquire Display Utility Help Autoset VARIABLE Cursor Measure Save/ Recall Hardcopy Run/ Stop VERTICAL HORIZONTAL TRIGGER LEVEL CH 1 MATH CH 2 MENU MENU SINGLE VOLTS /DIV VOLTS /DIV TIME/DIV FORCE EXT TRIG...

  • Page 129: Ec Declaration Of Conformity

    APPENDIX EC Declaration of Conformity GOOD WILL INSTRUMENT CO., LTD. No.7-1, Jhongsing Rd., Tucheng Dist., New Taipei City 236, Taiwan GOOD WILL INSTRUMENT (SUZHOU) CO., LTD. No. 69, Lushan Road, Suzhou New District Jiangsu, China declares that the below mentioned product GDS-1052-U, GDS-1072-U, GDS-1102-U Are herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States...
  • Page 130 GDS-1000-U Series User Manual NDEX AC coupling ....... 83 menu tree ........26 specification ......... 125 Accumulating waveform ..76 Cycle time measure ....53 Acquisition ......... 72 Data logging menu tree ........25 menu tree ........42 specification ......... 124 overview ........
  • Page 131 INDEX Falling time measure ....53 Ink saver Faq ..........120 in hardcopy ......... 102 in save all ........108 FFT ..........59 Input frequency indicator ..20 menu tree ........29 Invert waveform ......83 overview ........58 File format ........96 Language selection ....
  • Page 132 GDS-1000-U Series User Manual setup ..........112 edge..........87 waveform ........113 force ..........92 Rectangular window ....58 indicator ......... 85 level knob ........87 Reference waveform menu tree ........36 menu tree ........32 parameter ........85 recall ..........112 pulse width ........
  • Page 133 INDEX...

This manual is also suitable for:

Gds-1072-uGds-1102-uGds-1052-u

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