Gw-instek GDS-2000A series User Manual Uživatelský manuál

Digital Storage Oscilloscope GDS-2000A Series USER MANUAL GW INSTEK PART NO. 82DS-2304AEE1 ISO-9001 CERTIFIED MANUFACTURER

GDS-2000A Series User Manual 10 GETTING STARTED This chapter describes the GDS-2000A in a nutshell, including its main features and front / rear p

GDS-2000A Series User Manual 100 Edit F(x) Background The f(x) source is a user-defined math function that can be used as a source waveform for t

CONFIGURATION 101 CONFIGURATION Acquisition ... 103 Select Acquisition Mode ...

GDS-2000A Series User Manual 102 Vertical View (Channel) ... 137 Move Waveform Position Vertically

CONFIGURATION 103 Acquisition The Acquisition process samples the analog input signals and converts them into digital format for internal processi

GDS-2000A Series User Manual 104 3. Select an acquisition mode from the side menu. 4. If Average was chosen, set the number of samples to be us

CONFIGURATION 105 Digital Filter Background The digital filter function can remove unwanted components, such as noise, from the desired signal. T

GDS-2000A Series User Manual 106 Show Waveform in XY Mode Background The XY mode maps the input of channel 1 to the input of channel 2. In 4 chan

CONFIGURATION 107 X-Y mode is split into two windows. The top window shows the signals over the full time range. The bottom window shows XY mode.

GDS-2000A Series User Manual 108 XY Mode Cursors can be used with XY mode. See the Cursor chapter for details. Page 85 Set the Sampling Mode Back

CONFIGURATION 109 The sampling rate will be shown on the bottom right-hand corner. Sample rateSampling mode Set the Record Length Background T

GETTING STARTED 11 GDS-2000A Series Overview Series lineup The GDS-2000A series consists of 8 models, divided into 2-channel and 4-channel versio

GDS-2000A Series User Manual 110 Channel Setting Trigger Mode Single Normal Auto CH1 on 2M 1M 1M CH2 on 2M 1M 1M CH3 on 2M 1M 1M CH4 on 2M 1M 1M

CONFIGURATION 111 Segmented Memory Acquisition Overview The advanced segmented memory utility allows the scope memory to be divided into different

GDS-2000A Series User Manual 112 Segmented memory acquisition example: SegmentnSegmentn+1Segmentn+2Segmentn+3Segmentn+4Segmentn+5 As shown below,

CONFIGURATION 113 Segments Display Run/Stop IndicatorProgress Indicator Progress Indicator Indicates the number of segments that have to been

GDS-2000A Series User Manual 114 Set the Number of Segments Note Before the Segment function can be used, set the trigger settings as appropriate

CONFIGURATION 115 Note The first time Segmented memory is turned on the segments will automatically be run. Each segment will be automatically cap

GDS-2000A Series User Manual 116 Rerun Segmented Acquisition 1. To rerun the segments, press the Segments Stop key to toggle the mode back to the

CONFIGURATION 117 3. The position in time of the selected segment relative to the time of the first segment is shown in the Segments Time key.

GDS-2000A Series User Manual 118 Segment Measurement Background The Segmented memory function can be used in conjunction with the automatic measu

CONFIGURATION 119 3. The display will show all the acquired segments on the display simultaneously. The currently selected segment will be super

GDS-2000A Series User Manual 12 Main Features Features  8 inch TFT SVGA display.  MSO and DSO models available from 70MHz to 300MHz.  All

GDS-2000A Series User Manual 120 Measurement List Puts all the measurement results for a segment in a list. All the currently selected automatic

CONFIGURATION 121 4. The statics table or measurement list appears on the display. Note that the more segments that you have, the longer it wil

GDS-2000A Series User Manual 122 Example: Statistics Statistics of currently selected binSelect cursorBin count Measurement List Puts all the me

CONFIGURATION 123 Segment Info Operation 1. Press Analyze Segments from the bottom menu. Note: This key will only be available in the Stop mod

GDS-2000A Series User Manual 124 Display The Display menu defines how the waveforms and parameters appear on the main LCD display. Display Wavefo

CONFIGURATION 125 Set the Level of Persistence Background The persistence function allows the GDS-2000A to mimic the trace of a traditional analo

GDS-2000A Series User Manual 126 Range 0~100% Graticule Intensity 4. To set the graticule intensity, press Graticule Intensity from the side m

CONFIGURATION 127 Set the Waveform Intensity Type Background The intensity gradient of a signal can be set to grayscale or color. If intensity is

GDS-2000A Series User Manual 128 Select Display Graticule Panel Operation 1. Press the Display menu key. Display 2. Press Graticule from the b

CONFIGURATION 129 Freeze the Waveform (Run/Stop) For more details about Run/Stop mode, see page 68. Panel Operation 1. Press the Run/Stop key.

GETTING STARTED 13 Interface  USB host port: front and rear panel, for storage devices.  USB device port: rear panel, for remote control or prin

GDS-2000A Series User Manual 130 Horizontal View This section describes how to set the horizontal scale, position, and waveform display mode. Move

CONFIGURATION 131 Select Horizontal Scale Select Horizontal Scale To select the timebase (scale), turn the TIME/DIV knob; left (slow) or right (f

GDS-2000A Series User Manual 132 Select Waveform Update Mode Background The display update mode is switched automatically or manually according t

CONFIGURATION 133 Zoom Waveform Horizontally Background When in Zoom mode, the screen is split into 2 sections. The top of the display shows the

GDS-2000A Series User Manual 134 Zoom To increase the zoom range, use the TIME/DIV knob. The zoom time base (Z) at the bottom of the screen will

CONFIGURATION 135 Play / Pause Background The Play/Pause key can be used to play through signals in Zoom mode. Note If the Segmented memory func

GDS-2000A Series User Manual 136 Zoom To increase the zoom range, use the TIME/DIV knob. The zoom time base (Z) at the bottom of the screen will

CONFIGURATION 137 Vertical View (Channel) This section describes how to set the vertical scale, position, and coupling mode. Move Waveform Positio

GDS-2000A Series User Manual 138 The vertical scale indicator on the bottom left of the display changes accordingly for the specific channel. R

CONFIGURATION 139 DC coupling AC coupling Input Impedance Background The input impedance of the GDS-2000A is fixed at 1MΩ. The impedance is di

GDS-2000A Series User Manual 14 DS2-16LA 16-Channel Logic Analyzer card (GLA-16)with 16-Channel Logic Analyzer Probe (GTL-16A) Optional Accessori

GDS-2000A Series User Manual 140 Limit Bandwidth Background Bandwidth limitation puts the input signal into a selected bandwidth filter. This fu

CONFIGURATION 141 Expand by Ground/Center Background When the voltage scale is changed, the Expand function designates whether the signal expands

GDS-2000A Series User Manual 142 Expand by Ground Expand by Ground Expand by Center Expand by Center Select Probe Type Background A signal probe

CONFIGURATION 143 3. Press Attenuation on the side menu and use the Variable knob to set the attenuation. Alternatively, press Set to 10X. R

GDS-2000A Series User Manual 144 Trigger The trigger configures the conditions for when the GDS-2000A captures a waveform. The following trigger

CONFIGURATION 145 Delay trigger example (by time) ABCD A Ext. trigger input B Source C Delay time length D First triggering point Pulse Widt

GDS-2000A Series User Manual 146 Timeout Triggers when the signal stays high, low or either for a designated amount of time. The trigger level det

CONFIGURATION 147 Trigger Parameter Overview All the following parameters are common for all the trigger types unless stated otherwise. Trigger

GDS-2000A Series User Manual 148 Coupling (Edge, Delay) DC DC coupling. AC AC coupling. Blocks DC components from the trigger circuits. HF reject

CONFIGURATION 149 Event Sets the number of events (1 ~ 65535) passed after the trigger event, until the real trigger timing. Set to Minimum Set

GETTING STARTED 15 Package Contents Check the contents before using the GDS-2000A. Opening the Box Contents  Main unit  Probe set GTP

GDS-2000A Series User Manual 150 (Video) Field 1 or 2 or all. Line 1~263 for NTSC 1~313 for PAL/SECAM Threshold (Pulse Runt) Sets the upper thr

CONFIGURATION 151 Setup Holdoff Level Background The holdoff function defines the waiting period before the GDS-2000A starts triggering again aft

GDS-2000A Series User Manual 152 Setup Trigger Mode Background The trigger mode can be set to Normal or Auto (untriggered roll). The triggering

CONFIGURATION 153 5. Use the side menu to select the trigger source type. Range Channel 1 ~ 4 (Alternate On/Off), EXT (Ext Probe: Volt/Current

GDS-2000A Series User Manual 154 12. Set the external trigger level using the side menu. Range 00.0V~ 5 screen divisions Set to TTL 1.4V

CONFIGURATION 155 5. To Delay by Time (Duration), press Time from the side menu and set the delay time. Range 10ns ~ 10s (by time) Set to mi

GDS-2000A Series User Manual 156 5. Use the side menu to select the pulse width (glitch) trigger source. Range Channel 1 ~ 4 (Alternate On/Of

CONFIGURATION 157 Using Video Trigger Panel Operation 1. Press the trigger Menu key. Menu 2. Press the Type key from the lower bezel menu.

GDS-2000A Series User Manual 158 7. Press Trigger On to edit the video field and line. Use the side menu to select the field and line. Fiel

CONFIGURATION 159 Range Channel 1 ~ 4 5. Press Polarity to toggle the polarity. Range Rising edge, falling edge, either. 6. Press When

GDS-2000A Series User Manual 16 Appearance GDS-2074A/2104A/2204A/2304A Front Panel POWERCH1 CH2POSITIONTIME/DIVPOSITIONPOSITIONVOLTS/DIV VOLTS/DIV

GDS-2000A Series User Manual 160 Using Rise and Fall (Slope) Trigger Panel Operation 1. Press the trigger Menu key. Menu 2. Press the Type key

CONFIGURATION 161 7. Press Threshold from the lower bezel to edit the High and Low threshold. Range High: -XXV~XV Low: -XXV~XXV Set

GDS-2000A Series User Manual 162 5. Press Trigger When from the lower menu. Then use the side menu to select trigger conditions. Condition

CONFIGURATION 163 Search The search feature can be used to search for events on both the analog and digital input channels. The events that can b

GDS-2000A Series User Manual 164 Search Event Types Edge, Pulse Width, Pulse Runt, Rise and Fall Times, Logic*, Bus* *Requires the Logic Analyzer

CONFIGURATION 165 Copying Search Event To/From Trigger Events Background As the trigger system and search feature have similar settings, their s

GDS-2000A Series User Manual 166 2. Search events are marked by hollow white triangles at the top of the graticule. 3. Use the search arrow

CONFIGURATION 167 Clear All Marks To clear all the saved marks, press Clear All Marks from the side menu. Note Each time the Save All Marks funct

GDS-2000A Series User Manual 168 System Info / Language / Clock This section describes how to set the interface, beeper, language, time/date, and

CONFIGURATION 169 View System Information Panel Operation 1. Press the Utility key. Utility 2. Press System from the lower menu. 3. Press S

GETTING STARTED 17 GDS-2072A/2102A/2202A/2302A Front Panel CH1 CH2POSITIONTIME/DIVPOSITIONPOSITIONVOLTS/DIV VOLTS/DIVAutosetMenu50 %Force-TrigSelect

GDS-2000A Series User Manual 170 Panel Operation 1. Press the Utility key. Utility 2. Press System from the lower menu. 3. Press Erase Memor

CONFIGURATION 171 3. Set the Year, Month, Day, Hour and Minute from the side menu. Year 2000 ~ 2037 Month 1 ~ 12 Day 1 ~ 31 Hour 1~23

GDS-2000A Series User Manual 172 Waveforms Outputs Mode Demo Outputs Analog Demo 1 Trigger Output OR Pulse Signal: Burst frequency: 100kHz, Burst

CONFIGURATION 173 3. Press Demo Mode from the side menu and select the mode for the Demo outputs. The actual output waveform for each demo outpu

GDS-2000A Series User Manual 174 OPTIONAL SOFTWARE and APPS. Applications ... 175

OPTIONAL SOFTWARE and APPS. 175 Applications Overview Background The APP. function allows different applications to be run. Applications can be d

GDS-2000A Series User Manual 176 3. Scroll through each application using the Variable knob. 4. Select an application by pressing the Sele

OPTIONAL SOFTWARE and APPS. 177 3. Scroll through each application using the Variable knob. 4. When the desired application is highlighted

GDS-2000A Series User Manual 178 Choose the Go_NoGo application from the APP. menu. See page 175. Set Go-NoGo Conditions Select the Go-NoGo cond

OPTIONAL SOFTWARE and APPS. 179 2. Press Go Back to return to the previous menu. Set Go-NoGo Source 1. Press Compare Source from the bottom me

GDS-2000A Series User Manual 18 Menu Keys The Side menu and Bottom menu keys are used to make selections from the soft-menus on the LCD user inter

GDS-2000A Series User Manual 180 Range Voltage division range Save Boundary Template 4. Press Save Operation to save the tolerance boundaries.

OPTIONAL SOFTWARE and APPS. 181 Ratio: fail / testMaximum positionMinimum positionTolerance Exit the Application To exit the application, press

GDS-2000A Series User Manual 182 Optional Software Activating Optional Software Background The GDS-2000A has optional software packages to expan

OPTIONAL SOFTWARE and APPS. 183 2. Select the relevant option from the bottom menu. If an option is not installed, it will be grayed-out. 3

GDS-2000A Series User Manual 184 4. Press Option Uninstall on the side menu. 5. Select the optional software packages that you wish to uninst

SAVE/RECALL 185 SAVE/RECALL File Format/Utility ... 186 Image File Format ...

GDS-2000A Series User Manual 186 File Format/Utility Image File Format Format DSxxxx.bmp or DSxxxx.png Contents The display image is 800 by 600 p

SAVE/RECALL 187 Ref 1~4 Reference waveforms stored in the internal memory, separate from W1 ~ W20. Reference waveforms (Ref 1 ~ 4) can be display

GDS-2000A Series User Manual 188 entire long memory length (See page 109 for information on the record length). All points are recorded as integer

SAVE/RECALL 189 & LM Fast CSV  Format (scope type)  Memory length  IntpDistance (input trigger distance)  Trigger address  Trigge

GETTING STARTED 19 Function Keys The Function keys are used to enter and configure different functions on the GDS-2000A. Measure Measure Configures

GDS-2000A Series User Manual 190 Display  Mode  Persistence  Waveform intensity  Graticule intensity  Waveform visuals  Graticule Cha

SAVE/RECALL 191 Save/ recall  Image file format  Data file format Create/Edit Labels Overview Reference files, Setup files and the analog i

GDS-2000A Series User Manual 192 Note When using the optional Logic Analyzer, labels can also be set for the digital channels. Please see the GDS-

SAVE/RECALL 193 2. The Edit Label window appears. 3. Use the Variable knob to highlight a character. VARIABLE Press Enter Character

GDS-2000A Series User Manual 194 Display Label To display the currently selected file label on the screen next to its respective indicator, toggle

SAVE/RECALL 195 Save File Type/Source/Destination Item Source Destination Panel Setup (DSxxxx.set)  Front panel settings  Internal memory: Se

GDS-2000A Series User Manual 196 Save Image Images can be saved either using the Save/Recall key or by using the Hardcopy key. To save images usin

SAVE/RECALL 197 Ink Saver On Ink Saver Off 6. Press Save Now from the side menu to save the display as an image file. Note The file wil

GDS-2000A Series User Manual 198 Save Waveform Panel Operation 1. To save to an external USB flash drive, connect the drive to the front or rear

SAVE/RECALL 199 6. Press Save Now to confirm saving. When completed, a message appears at the bottom of the display. Note The file will not

This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual ma

GDS-2000A Series User Manual 20 Single Single Sets the acquisition mode to single triggering mode. Default Setup Default Resets the oscilloscope

GDS-2000A Series User Manual 200 Save Setup Panel Operation 1. (For saving to an external USB flash drive) Connect the drive to the front or rea

SAVE/RECALL 201 5. Press Save Now to confirm saving. When completed, a message appears at the bottom of the display. Note The file will not

GDS-2000A Series User Manual 202 Recall File Type/Source/Destination Item Source Destination Default Panel Setup  Factory installed setting 

SAVE/RECALL 203 Setting Contents The following is the default (factory) setting contents. Acquire Mode: Sample XY: OFF Sample mode: Sinc Sample r

GDS-2000A Series User Manual 204 Rejection: Off Noise Rejection: Off Slope: rising Level: 0.00V Mode: Auto Holdoff: 10.0ns Utility Language: En

SAVE/RECALL 205 Recall Waveform Panel Operation 1. For recalling from an external USB flash drive, connect the drive to the front or rear panel

GDS-2000A Series User Manual 206 *Only files in the current file path will be available, this includes files saved in the ALLXXX directories. Al

SAVE/RECALL 207 Note Only one host connection, front or rear, is allowed at a time. The USB Device port on the rear panel cannot be used concurr

GDS-2000A Series User Manual 208 Edit Label To edit labels for Setup files, press Edit label. For more details on editing labels, see page 191.

SAVE/RECALL 209 Reference Waveforms Recall and Display Reference Waveforms Panel Operation A reference waveform must be stored in advance. See pa

GETTING STARTED 21 Set/Clear Set/Clear Use the Set/Clear key to set or clear points of interest when using the search function. Trigger Controls The

GDS-2000A Series User Manual 210 Vertical Navigation Press Vertical repeatedly from the side menu to choose to edit the vertical position or Unit/

FILE UTILITIES 211 FILE UTILITIES The file utilities are used each time files need to be saved to internal or external memory. The file utilities

GDS-2000A Series User Manual 212 File Navigation The File Utilities menu can be used to choose files or to set the file path for saving/recalling

FILE UTILITIES 213 3. The file system appears. 4. Use the Variable knob to move the file cursor up and down. Use the Select key to choose

GDS-2000A Series User Manual 214 Create Folder Panel Operation 1. Press the Utility key. Utility 2. Press File Utilities from the bottom menu.

FILE UTILITIES 215 6. Press Editing completed to create the folder name. Cancel Press Cancel to cancel the operation. Rename File Panel Opera

GDS-2000A Series User Manual 216 Press Enter Character select a number or letter. Press Back Space to delete a character. 6. Press Editi

FILE UTILITIES 217 Copy File to USB Panel Operation 1. Connect a USB drive to the front or rear panel USB port. . Front Rear Host Note Only o

GDS-2000A Series User Manual 218 HARDCOPY KEY The Hardcopy key is used as quick-save or quick-print key. The Hardcopy key can be assigned either t

HARDCOPY KEY 219 4. Press USB Device Port from the side menu and select Printer. Print Output Ensure the USB port has been configured to the

GDS-2000A Series User Manual 22 External Trigger Input EXT TRIG Accepts external trigger signals (page 144). Input impedance: 1MΩ Voltage input:

GDS-2000A Series User Manual 220 Save - Hardcopy Key Background When the Hardcopy key is assigned to “Save”, pressing the Hardcopy key can be use

HARDCOPY KEY 221 6. Press the Hardcopy key to save the file*. A message will appear when the save is successful. Hardcopy Image File Format 1

GDS-2000A Series User Manual 222 REMOTE CONTROL CONFIG This chapter describes basic configuration for remote control. For a command list, refer to

REMOTE CONTROL CONFIG 223 Interface Configuration Configure USB Interface USB Configuration PC side connector Type A, host GDS-2000A side connect

GDS-2000A Series User Manual 224 Configure RS-232C Interface RS-232C Configuration Connector DB-9, Male Baud rate 2400, 4800, 9600, 19200, 38400,

REMOTE CONTROL CONFIG 225 7. Press Save Now to save the settings. 8. Connect the RS-232C cable to the rear panel port: DB-9 male connector. F

GDS-2000A Series User Manual 226 Background The Ethernet interface is used for remote configuration of the oscilloscope over a network using the i

REMOTE CONTROL CONFIG 227 6. Use the Up and Down arrows on the side menu to navigate to each Ethernet configuration item. Items MAC Addre

GDS-2000A Series User Manual 228 Configure Socket Server The GDS-2000A supports socket server functionality for direct two-way communication with

REMOTE CONTROL CONFIG 229 Configure GPIB Note To use GPIB, the optional module, DS2-GPIB, must be installed. Please see page 30 for installatio

GETTING STARTED 23 Demo and Probe Compensation Outputs Demo The Demo outputs are multifunction outputs that can be configured for probe compensation

GDS-2000A Series User Manual 230 USB/RS-232C Functionality Check Terminal Application (USB/RS-232C) Invoke a terminal application such as RealTe

REMOTE CONTROL CONFIG 231 Socket Server Functionality Check NI Measurement and Automation Explorer To test the socket server functionality, Nati

GDS-2000A Series User Manual 232 4. Select Auto-detect of LAN Instrument from the popup window. The GDS-2000A should be automatically detected.

REMOTE CONTROL CONFIG 233 6. The GDS-2000A will now appear under Network Devices in the Configuration Panel. Functionality Check 7. Click the O

GDS-2000A Series User Manual 234 10. Click the viRead tab. 11. Click Execute to read the return parameter from the *IDN? query. 12. The manufact

REMOTE CONTROL CONFIG 235 GPIB Functionality Check To check that the GPIB connection is working, National Instruments Measurement & Automati

GDS-2000A Series User Manual 236 3. Press the Scan for Instruments button. 4. In the Connected Instruments panel the GDS-2000A should be detec

REMOTE CONTROL CONFIG 237 678 9. The function check is complete.

GDS-2000A Series User Manual 238 Web Server Web Server Overview Background The GDS-2000A has an inbuilt web server that can be used to:  view

REMOTE CONTROL CONFIG 239 Get Display Image  Current display image Panel Operation 1. Configure the Ethernet interface. Page 225 2. Enter t

GDS-2000A Series User Manual 24 Rear Panel LINE VOLTAGEAC 100 240VRANGEFREQUENCY 50 60HzPOWER MAX. 55W 80VACAUTIONTO AVOID ELECTRIC

GDS-2000A Series User Manual 240

MAINTENANCE 241 MAINTENANCE Two types of maintenance operations are available: calibrate vertical accuracy, and compensate the probe. Run these op

GDS-2000A Series User Manual 242 How to use SPC function Background Signal Path Compensation (SPC) is used to compensate the internal signal path

MAINTENANCE 243 Vertical Accuracy Calibration Panel Operation 1. Press the Utility key. Utility 2. Press System from the bottom menu. 3. Pr

GDS-2000A Series User Manual 244 The calibration for Channel 1 starts and ends automatically, in less than 5 minutes. A message is displayed when

MAINTENANCE 245 3. Press the CH1 key to activate CH1. CH1 4. Set the Coupling to DC from the bottom menu. 5. Set the Probe attenuation to

GDS-2000A Series User Manual 246 FAQ • I connected the signal but it does not appear on the display. • I want to remove the (Measurement result

FAQ 247 details. The waveform does not update (frozen). Press the Run/Stop key to unfreeze the waveform. See page 68 for details. If this does no

GDS-2000A Series User Manual 248 The accuracy does not match the specification. Make sure the device is powered On for at least 30 minutes, withi

APPENDIX 249 APPENDIX GDS-2000A Specifications The specifications apply when the GDS-2000A is powered on for at least 30 minutes under +20°C~+30°

GETTING STARTED 25 RS232 Port Used for RS-232-based remote control. Module Slots The module slots are used to install the optional modules: DS2-L

GDS-2000A Series User Manual 250 Common Vertical Sensitivity Resolution 8 bit @1MΩ: 1mV*~10V *: When the vertical scale is set to 1mV/div, the ba

APPENDIX 251 Holdoff range 10nS to 10S Coupling AC,DC,LF rej. ,Hf rej. ,Noise rej. Sensitivity DC ~ 100MHz Approx. 1div or 1.0mV 100MHz ~ 200MH

GDS-2000A Series User Manual 252 Control Panel Function Autoset Single-button, automatic setup of all channels for vertical, horizontal and trigge

APPENDIX 253 Vertical Resolution 1 bit Miscellaneous Multi-language menu Available On-line help Available Time clock Time and Date ,Provide

GDS-2000A Series User Manual 254 Probe Specifications GTP-070A-4 Applicable to: GDS-2072A & GDS-2074A Position X10 Attenuation Ratio 10:1

APPENDIX 255 GTP-250A-2 Applicable to: GDS-2202A & GDS-2204A Position X10 Attenuation Ratio 10:1 Bandwidth DC to 250MHz Rise Time 1.4nS

GDS-2000A Series User Manual 256 GDS-2000A Dimensions POWERCH1 CH2POSITIONTIME/DIVPOSITIONPOSITIONVOLTS/DIV VOLTS/DIVAutosetMenu50 %Force-TrigSel

APPENDIX 257 Declaration of Conformity We GOOD WILL INSTRUMENT CO., LTD. No. 7-1, Jhongsing Rd, Tucheng Dist., New Taipei City 236. Taiwan. GOOD

GDS-2000A Series User Manual 258 INDEX 2-4 channel differences ... 11 AC coupling ... 138 AC Priority mode ...

INDEX 259 pollution degree... 7 Environment safety instruction ... 7 Erase memory ...

GDS-2000A Series User Manual 26 Display Memory barDigital waveformsAnalog WaveformsBusChannel status Horizontal statusTrigger configurationWavefor

GDS-2000A Series User Manual 260 connection ... 218 Hardcopy key ... 219 ink saver ...

INDEX 261 specification ... 250 status indicator ... 28 Timeout ...

GETTING STARTED 27 Math indicator Trigger Position Shows the position of the trigger. Horizontal Status Shows the horizontal scale and position.

GDS-2000A Series User Manual 28 Indicates the frequency is less than 2Hz (lower frequency limit). Trigger Configuration Trigger source, slope, v

GETTING STARTED 29 Set Up Tilt Stand Tilt To tilt, pull the legs forward, as shown below. Stand To stand the scope upright, push the legs back und

TABLE OF CONTENTS 3 Table of Contents SAFETY INSTRUCTIONS ... 5 GETTING STARTED ...

GDS-2000A Series User Manual 30 Module Installation Background The GDS-2000A has a number of optional modules that can be installed into the modu

GETTING STARTED 31 Software Installation Background The GDS-2000A has optional software packages to expand the functionality of the standard GDS-20

GDS-2000A Series User Manual 32 5. The installation will complete in a few seconds. When finished a pop-up message will appear asking you to res

GETTING STARTED 33 First Time Use Background This section describes how to connect a signal, adjust the scale, and compensate the probe. Before ope

GDS-2000A Series User Manual 34 POSITIONCH1Demox1x10X10X1CH1Demo 6. Capture Signal (Autoset) Press the Autoset key. A square waveform appears on

GETTING STARTED 35 Under CompensationNormalOver Compensation 9. Start Operation Continue with the other operations. Measurement: page 64 Configurat

GDS-2000A Series User Manual 36 Active parameters are highlighted for each menu item. For example in the example below, Coupling is currently set

GETTING STARTED 37 2. Press a side menu key to either set a parameter or to access a sub menu. 3. If accessing a sub menu or setting a variabl

GDS-2000A Series User Manual 38 Toggling a Menu Parameter 1 1. Press the bottom menu key to toggle the parameter. Reduce Side Menu 1 1. To re

GETTING STARTED 39 Reduce Lower Menu 1. Press the relevant function key again to reduce the bottom menu. For example: press the Trigger Menu key

GDS-2000A Series User Manual 4 Optional Software ... 182 SAVE/RECALL ...

GDS-2000A Series User Manual 40 1. Press the Menu Off key to reduce the side menu, press again to reduce the bottom menu. POWERCH1 CH2POSITIONT

QUICK REFERENCE 41 QUICK REFERENCE This chapter describes the GDS-2000A menu tree, shortcuts to major operations, built-in Help access, and default

GDS-2000A Series User Manual 42 Utility Key – Wave Generator - Demo Outputs ... 57 Search - Edge ...

QUICK REFERENCE 43 Menu Tree / Operation Shortcuts Convention For all menu trees, the bottom menu keys are shown as grey icons and side menu key

GDS-2000A Series User Manual 44 Acquire Key Sets the acquisition mode. SegmentsGoes to the Segments menuReset H Position to 0sXY ETSample rateXXX

QUICK REFERENCE 45 Autoset Key Automatically finds the signal and sets the horizontal and vertical scale. Undo AutosetModeFit ScreenAC PriorityAu

GDS-2000A Series User Manual 46 Cursor Key Set cursor positions. V CursorH Cursor H UnitSet Cursor Positions As 100%Set Cursor Positions As 100%S

QUICK REFERENCE 47 Math Key Standard math and FFT functions. FFTMathCH1~CH4Ref1~Ref4Source 1XXDivPosition+-×÷OperatorCH1~CH4Ref1~Ref4Source 2XX~X

GDS-2000A Series User Manual 48 Measure Key Display automatic measurements either individually or as voltage/current, time or delay measurement g

QUICK REFERENCE 49 Hardcopy Key Hardcopy Print screen images or save a waveform, screen image or setup (depending on the assigned function). Run/

SAFETY INSTRUCTIONS 5 SAFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage. Rea

GDS-2000A Series User Manual 50 Save/Recall Key Save and recall images, waveforms and panel setups. Edit labels for reference and setup files. Sa

QUICK REFERENCE 51 Test Key Use the Go-NoGo application as well as other optional software. APP.Go-NoGoGo-NoGoGoes to the Go-NoGo menuUnistallTe

GDS-2000A Series User Manual 52 Trigger Type Menu MenuTypePulse RuntRise & FallBusLogicOthersEdgeDelayPulse WidthVideoGoes to the Edge Trig

QUICK REFERENCE 53 Trigger Delay Menu DCACOffHFLFRejectOnOffNoise RejectTypeDelaySource Coupling Slope Level Delay Mode / Holdoff-XX~XXVSet to TT

GDS-2000A Series User Manual 54 Trigger Pulse Runt Menu TypePulse RuntSource Polarity Mode HoldoffAutoNormalEXT ProbeVoltCurrentWhen><=≠

QUICK REFERENCE 55 Utility Key SystemData &TimeHardcopyFile UtilitiesI/OLanguageEnglishTrad. ChineseSimp. ChineseKoreanJapanesePolishFrenchSp

GDS-2000A Series User Manual 56 Utility Key – I/O I/OUSB Device PortEthernetRS-232CGo BackSave NowOnOffDHCP/BOOTP2400, 4800, 9600, 19200, 38400,

QUICK REFERENCE 57 Utility Key – Wave Generator - Demo Outputs Demo OutputAnalogUARTI2CSPIDemo ModeDemo 1SCLKDemo 1SCLKDemo 1TxDemo 1Trigger Outp

GDS-2000A Series User Manual 58 Search – Pulse Width Set the Search Function for pulse width events. EdgePulse WidthRuntRise/Fall TimeLogicBusSea

QUICK REFERENCE 59 Search – Rise/Fall Time Set the Search function for rise and fall time events. EdgePulse WidthRuntRise/Fall TimeLogicBusSearch

GDS-2000A Series User Manual 6 Do not dispose electronic equipment as unsorted municipal waste. Please use a separate collection facility or cont

GDS-2000A Series User Manual 60 Option Key Accesses the functions in the Option menu. Function GeneratorI/OLogic AnalyzerOptionLogicAnalyzerFunc

QUICK REFERENCE 61 Default Settings The default factory installed settings can be recalled at any time by pressing the Default key. Default Acqui

GDS-2000A Series User Manual 62 Coupling: DC Alternate: Off Rejection: Off Noise Rejection: Off Slope: Positive Level: 0.00V Mode: Auto Holdof

QUICK REFERENCE 63 Built-in Help The Help key accesses a context sensitive help menu. The help menu contains information on how to use the front p

GDS-2000A Series User Manual 64 MEASUREMENT Basic Measurement ... 65 Channel Activation ...

MEASUREMENT 65 Basic Measurement This section describes the basic operations required in capturing and viewing the input signal. For more detailed

GDS-2000A Series User Manual 66 Default Setup To activate the default state, press Default. Default Autoset Background The Autoset function autom

MEASUREMENT 67 Change modes 1. Choose between Fit Screen Mode and AC Priority Mode from the bottom menu. 2. Press the Autoset key again to use

GDS-2000A Series User Manual 68 Run/Stop Background By default, the waveform on the display is constantly updated (Run mode). Freezing the wavefo

MEASUREMENT 69 Waveform Operation The waveform can be moved or scaled in both Run and Stop mode, but in different manners. For details, see page 1

SAFETY INSTRUCTIONS 7 Power Supply WARNING  AC Input voltage: 100 ~ 240V AC, 48 ~ 63Hz, auto selection. Power consumption: 96VA.  Connect the

GDS-2000A Series User Manual 70 The Time/Division rate is displayed to the left of the H icon at the bottom of the screen. Display bar The di

MEASUREMENT 71 Vertical Position/Scale For more detailed configuration, see page 137. Set Vertical Position To move the waveform up or down, turn

GDS-2000A Series User Manual 72 Automatic Measurement The automatic measurement function measures and updates major items for Voltage/Current, Ti

MEASUREMENT 73 Max Positive peak. Min Negative peak. Amplitude Difference between the global high and value and the global low value, meas

GDS-2000A Series User Manual 74 Cycle Area The Summation based on all data samples within the first cycle found in the gated region. ROVShoot

MEASUREMENT 75 -Pulses Measures the number of negative pulses. +Edges Measures the number of positive edges. -Edges Measures the number of

GDS-2000A Series User Manual 76 Phase The phase difference of two signals, calculated in degrees. 360x t2t1 Note The in-built help system can b

MEASUREMENT 77 Time Frequency, Period, RiseTime, FallTime, +Width, –Width, Duty Cycle, +Pulses, -Pulses, +Edges, -Edges Delay FRR, FRF, FFR, F

GDS-2000A Series User Manual 78 Remove Measurement Individual measurements can be removed at any time using the Remove Measurement function. Remo

MEASUREMENT 79 Gated mode Some automatic measurements can be limited to a “gated” area between cursors. Gating is useful for measuring a magnifie

GDS-2000A Series User Manual 8 Disposal Do not dispose this instrument as unsorted municipal waste. Please use a separate collection facility or

GDS-2000A Series User Manual 80 Display All mode Display All mode shows and updates all items from Voltage and Time type measurements. View Measu

MEASUREMENT 81 Delay Measurements Delay type measurement is not available in this mode as only one channel is used as the source. Use the Individu

GDS-2000A Series User Manual 82 Min-max Sets the high-low values as the measured minimum or maximum measured values. lowhigh Set High-Low 1. Pr

MEASUREMENT 83 Statistics Background The Statistics function can be used to view a number of statistics for the selected automatic measurements.

GDS-2000A Series User Manual 84 3. Set the number of samples to be used in the mean and standard deviation calculations. Samples: 2~1000 4.

MEASUREMENT 85 Cursor Measurement Horizontal or vertical cursors are used to show the position and values of waveform measurements and math operat

GDS-2000A Series User Manual 86 4. The cursor position information appears on the top left hand side of the screen Cursor Hor. position, Vo

MEASUREMENT 87 FFT FFT cursors use different vertical units. For FFT details, see page 96. Cursor Hor. position, dB/Voltage Cursor Hor.

GDS-2000A Series User Manual 88 Delta (difference between cursors) Example Horizontal cursors

MEASUREMENT 89 Use Vertical Cursors Panel Operation/ Range 1. Press the Cursor key twice. Cursorx2 2. Press V Cursor from the bottom menu if it

SAFETY INSTRUCTIONS 9 Power cord for the United Kingdom When using the oscilloscope in the United Kingdom, make sure the power cord meets the follow

GDS-2000A Series User Manual 90 5. Use the Variable knob to move the cursor(s) up or down. VARIABLE Select Units 6. To change the units of the

MEASUREMENT 91 Example Horizontal cursorsVertical cursors XY Mode XY mode cursors measure a number of X by Y measurements. Cursor Rectangu

GDS-2000A Series User Manual 92 Example Horizontal cursorsVertical cursors

MEASUREMENT 93 Math Operation Overview Background Math operation runs addition, subtraction, multiplication, division, FFT, or certain advanced m

GDS-2000A Series User Manual 94 √ Performs a square root calculation. Source CH1~4, Ref1~4, f(x) Hanning FFT Window Frequency resolution Good Am

MEASUREMENT 95 3. Select Source 1 from the side menu Range CH1~4, Ref~4 4. Press Operator to choose the math operation. Range +, -, ×, ÷

GDS-2000A Series User Manual 96 Range –12.00 Div ~ +12.00 Div To change the unit/div settings, press Unit/div, then use the Variable knob to ch

MEASUREMENT 97 4. Press the Vertical Units key from the side menu to select the vertical units used. Range Linear RMS, dBV RMS 5. Press th

GDS-2000A Series User Manual 98 Zoom and Offset To zoom into the FFT waveform, press Zoom until the x times parameter is highlighted and then use

MEASUREMENT 99 4. Select the Source from the side menu. Range CH1~4, Ref~4, f(x)* *the f(x) source is set with the Edit F(x) function, page