GW Instek GDS-3000 Series User Manual
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GW Instek GDS-3000 Series User Manual

GW Instek GDS-3000 Series User Manual

Gds-3000 series digital storage oscilloscope
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Digital Storage Oscilloscope

GDS-3000 Series
USER MANUAL
GW INSTEK PART NO. 82DS-33040M01
ISO-9001 CERTIFIED MANUFACTURER

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  • Page 1: Digital Storage Oscilloscope

    Digital Storage Oscilloscope GDS-3000 Series USER MANUAL GW INSTEK PART NO. 82DS-33040M01 ISO-9001 CERTIFIED MANUFACTURER...
  • Page 2 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 company. The information in this manual was correct at the time of printing. However, Good Will continues to improve products and reserves the rights to change specification, equipment, and maintenance procedures at any time without notice.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Table of Contents SAFETY INSTRUCTIONS ........... 5  GETTING STARTED ............11  GDS-3000 Series Overview ....12  Appearance .......... 17  Set Up ..........28  QUICK REFERENCE ............37  Menu Tree / Operation Shortcuts ..39  Default Settings ........52 ...
  • Page 4 GDS-3000 Series User Manual Create/Edit file labels ......152  Save ........... 154  Recall ..........161  Reference Waveforms ......166  FILE UTILITIES ............... 169  PRINT OUT ..............177  REMOTE CONTROL CONFIG ......... 181  Interface Configuration ...... 182  MAINTENANCE ............. 191  FAQ ................197 ...

  • Page 5: Safety Instructions

    SAFETY INSTRUCTIONS AFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage. Read the following before any operation to insure your safety and to keep the instrument in the best possible condition. Safety Symbols These safety symbols may appear in this manual or on the GDS- 3000.
  • Page 6 GDS-3000 Series User Manual 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.

  • Page 7: Safety Guidelines

    SAFETY INSTRUCTIONS Safety Guidelines Make sure the BNC input voltage does not General  Guideline exceed 300V peak. Never connect a hazardous live voltage to the  CAUTION ground side of the BNC connectors. It might lead to fire and electric shock. Do not place any heavy object on the GDS-3000.
  • Page 8 GDS-3000 Series User Manual Disconnect the power cord before cleaning. Cleaning the  GDS-3000 Use a soft cloth dampened in a solution of mild  detergent and water. Do not spray any liquid. Do not use chemical containing harsh material ...

  • Page 9: Power Cord For The United Kingdom

    SAFETY INSTRUCTIONS 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 IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow:...
  • Page 10 GDS-3000 Series User Manual...

  • Page 11: Getting Started

    Set Up section to properly set up the oscilloscope for first time use. The Set Up section also includes a starter on how to use this manual effectively. GDS-3000 Series Overview ..........12  Series lineup ................12   Main Features ............... 13  ...

  • Page 12: Gds-3000 Series Overview

    GDS-3000 Series User Manual GDS-3000 Series Overview Series lineup The GDS-3000 series consists of 6 models, divided into 2-channel and 4-channel versions. Model name Frequency Input channels Real-time bandwidth Sampling Rate GDS-3152 150MHz 2.5GSa/s GDS-3252 250MHz 2.5GSa/s GDS-3352 350MHz 5GSa/s...

  • Page 13: Main Features

    GETTING STARTED Main Features High sampling rate: up to 5GSa/s real-time,  Performance 100GSa/s equivalent-time Deep memory: 25k points record length  Minimum 2ns peak detection  2 and 4 channel models  Features Bandwidth up to 350 MHz  5GSa/s (200ps resolution) real-time sampling ...

  • Page 14: Accessories

    GDS-3000 Series User Manual USB host port: front and rear panel, for storage Interface  devices USB slave port(Optional GPIB to USB), RS-232C  port: for remote control Calibration output  Go-No Go output  External trigger input  Ethernet port ...
  • Page 15 GETTING STARTED 50MHz high voltage differential GDP-050 probe 100MHz high voltage differential GDP-100 probe 50MHz/ 30A current probe GCP-530 100MHz/ 30A current probe GCP-1030 Power supply for current probe (2 GCP-206P input channel) Power supply for current probe (4 GCP-425P input channel) Passive probe;...

  • Page 16: Package Contents

    GDS-3000 Series User Manual Package Contents Check the contents before using the GDS-3000. Opening the box Main unit Contents  Probe set  GTP-151R for GDS-3152 / GDS-3154 GTP-251R for GDS-3252 / GDS-3254 GTP-351R for GDS-3352 / GDS-3354 Power cord ...

  • Page 17: Appearance

    GETTING STARTED Appearance GDS-3554/3354/3254/3154 Front Panel Split window Variable knob Function Horizontal cluster and select key keys controls GDS-3354 Trigger Print key controls Side menu keys Bottom Vertical menu keys Menu key controls Power Math and button Reference keys Probe compensation, Ext trigger Bus keys CH1~4...
  • Page 18 GDS-3000 Series User Manual 8” SVGA TFT color LCD. 800 x 600 resolution, LCD display wide angle view display. Use the Menu Off key to Menu Key hide/show the onscreen menu system. The Side menu and Bottom menu keys are used to...
  • Page 19 GETTING STARTED Use the Split Window key to cycle Split Window Cluster between single and split screen mode. To separate each channel into a split window, use one of the four windowed keys. For more details on windowing see page 67. The horizontal controls are used to change the Horizontal position of the cursor, set the time base settings,...
  • Page 20 GDS-3000 Series User Manual Press the Autoset key to Autoset automatically set the trigger, horizontal scale and vertical scale. Press to Freeze (Stop) or continue Run/Stop key (Run) signal acquisition (page62). Sets the acquisition mode to single Single triggering mode.
  • Page 21 GETTING STARTED Press the Reference key to set or Reference key remove reference waveforms. The Serial bus decode keys are BUS keys used for UART, I C and SPI serial bus interface decoding. The serial bus decode function is an optional extra.
  • Page 22 GDS-3000 Series User Manual TypeA, 1.1/2.0 compatible. Used USB host port for data transfer. Accepts the DUT ground lead for Ground terminal common ground. Outputs 2Vp-p, square wave Probe signal for probe compensation compensation output (page 193). Accepts external trigger signals External trigger (page 126).

  • Page 23: Rear Panel

    GETTING STARTED Rear Panel Outputs the signal for vertical scale Calibration accuracy calibration (page 191). output Outputs the trigger timing. Trigger output Outputs Go-No Go test results Go-No Go output (page 88) as 10us pulse signal. Outputs SVGA resolution to an Video Out external display.
  • Page 24 GDS-3000 Series User Manual Ethernet port. LAN port For use with a grounding strap. Ground strap connector The USB device port is used for USB Device Port remote control and for the Freewave remote control software. USB 1.1/2.0 high speed compatible.

  • Page 25: Display

    GETTING STARTED Display Shows input signal waveforms. Waveforms Channel 1: Yellow Channel 2: Blue Channel 3: Pink Channel 4: Green Channel Indicator The channel indicator shows the zero volt level of the signal waveform for each activated channel. The active channel is shown with a solid color. Math Bus (B1) Active channel...
  • Page 26 GDS-3000 Series User Manual Current date and time (page 145). Date and Time Memory bar The ratio and the position of the displayed waveform compared with the internal memory (page 114). Triggered. Trigger status Not triggered, display not updated. Indicates the pre-trigger is active.
  • Page 27 GETTING STARTED Trigger source, slope, Trigger configuration voltage. Trigger source, trigger (video), field, line. For trigger details, see page 126. Channel 1, inverted, AC Channel status coupling, 1V/Div Channel 1, GND coupling, 1V/Div For channel details, see page 119.

  • Page 28: Set Up

    GDS-3000 Series User Manual Set Up Tilt Stand Turn the legs under the casing as shown below to Upright have the instrument sit upright. To tilt, tilt the legs back behind the casing, as Tilt shown below.

  • Page 29: Power Up

    GETTING STARTED Power Up 1. Connect the power cord to Step the rear panel socket. 2. Press the POWER key. The display becomes active in 6 ~ 8 seconds. : ON : OFF The GDS-3000 recovers the state right before the Note power is turned OFF.

  • Page 30: First Time Use

    GDS-3000 Series User Manual First Time Use This section describes how to connect a signal, Background adjust the scale, and compensate the probe. Before operating the GDS-3000 in a new environment, run these steps to make sure the instrument performs at its full potential.
  • Page 31 GETTING STARTED GDS-3354 Press the Autoset key. A square 6. Capture signal (Autoset) waveform appears on the center of the screen. For Autoset details, see page 61. Press the Display key, and set the 7. Select vector display to Vector on the bottom menu. waveform Turn the adjustment point on the probe to make 8.
  • Page 32 GDS-3000 Series User Manual 9. Start operation Continue with the other operations. Measurement: page 57 Configuration: page 88 Save/Recall page 147 File Utilities page 169 Print Out 177 Remote Control page 181...

  • Page 33: How To Use This Manual

    GETTING STARTED How to Use This Manual This section describes the conventions used in this Background manual to operate the GDS-3000. Throughout the manual any reference to pressing a menu key refers to the keys directly below or beside any menu icons or parameters. When the user manual says to “toggle”...
  • Page 34 GDS-3000 Series User Manual When the user manual says to “select” a value Selecting a menu from one of the side menu parameters, first press item or parameter the corresponding menu key and use the variable knob to either scroll through a parameter list or to increase or decrease a variable.
  • Page 35 GETTING STARTED Toggling a menu parameter 1. Press the bottom menu key to toggle the parameter. Reduce Lower Menu...
  • Page 36 GDS-3000 Series User Manual 1. Press the relevant function key again to reduce the bottom menu. For example: press the trigger menu key to reduce the trigger menu. Remove all menus 1. Press the Menu Off key to reduce each menu level.

  • Page 37: Quick Reference

    QUICK REFERENCE UICK REFERENCE This chapter describes the GDS-3000 menu tree, shortcuts to major operations, built-in Help access, and default factory settings. Use them as a handy reference to get a quick access to the functionality. Menu Tree / Operation Shortcuts ........39  Convention ................
  • Page 38 GDS-3000 Series User Manual Zoom Key................52 Default Settings .............. 53 Built-in Help ..............55...

  • Page 39: Menu Tree / Operation Shortcuts

    QUICK REFERENCE Menu Tree / Operation Shortcuts Convention For all menu trees, bottom menu keys are shown as grey icons and side menu keys are shown in white. All menu tree operations are shown in order from top to bottom. Below is an example of the menu tree operation for the trigger source menu and a comparison to the operation on the DSO screen.

  • Page 40: Acquire Key

    GDS-3000 Series User Manual Acquire Key Sets the acquisition mode. Position to 0s Sample XXX.XX MSPS Peak Detect Sin(x)/x Hi Resolution Average 2,4,8,16,32,64, 128,256 Autoset Key Automatically finds the signal and sets the horizontal and vertical scale. Auto-Range Constantly adjusts the vertical and or horizontal scale.

  • Page 41: Ch1 ~ 4 Key

    QUICK REFERENCE CH1 ~ 4 Key Set the channel input parameters. Probe 1MΩ 75Ω Center Voltage 20MHz 50Ω Current 100MHz 200MHz Attenuation 350MHz 1mX ~ 1kX Set to 10X Deskew -50ns~50ns Set to 0s Cursor Key Set cursor positions.

  • Page 42: Display Key

    GDS-3000 Series User Manual Display Key Set the display properties. Time Gray Full Waveform Intensity Vector 100ms~10s 0%~100% Color Grid Infinite Cross Hair Graticule Intensity 10%~100% Frame Help Key Turn help mode On/Off.

  • Page 43: Math Key

    QUICK REFERENCE Math Key Standard math and FFT functions.

  • Page 44: Measure Key

    GDS-3000 Series User Manual Measure Key Display automatic measurements either individually or as voltage/current, time or delay measurement groups.

  • Page 45: Print/Save Key

    QUICK REFERENCE Print/Save Key Print or save screen images. Run/Stop Key Freeze/unfreeze signal acquisition REF Key...

  • Page 46: Save/Recall Key

    GDS-3000 Series User Manual Save/Recall Key Save and recall images, waveforms and panel setups. Edit labels for reference and setup files.

  • Page 47: Test Key

    QUICK REFERENCE Test Key Use the Go-NoGo application as well as additional optional software such as the Power Analysis software. Test Key – Go-NoGo...

  • Page 48: Trigger Type Menu

    GDS-3000 Series User Manual Trigger Type Menu Trigger Edge Menu Edge Normal 10.0s AC Line Reject 1.4V Minimum EXT Probe EXT Probe Volt Current -1.3V Noise Reject Alternate Trigger Delay Menu...

  • Page 49: Trigger Pulse Width Menu

    QUICK REFERENCE Trigger Pulse Width Menu Pulse Width Auto 10.0ns ~ 10.0s < Normal AC Line ≠ 1.4V Minimum EXT Probe EXT Probe Volt > 4.00ns~10.0S Current -1.3V Alternate Trigger Video Menu Trigger Pulse Runt Menu...

  • Page 50: Trigger Rise & Fall Menu

    GDS-3000 Series User Manual Trigger Rise & Fall Menu High 10.0ns~10.0s < -80V~80V Normal ≠ Minimum -80V~80V > 4.00ns~10.0s 1.4V EXT Probe Volt Current -1.3V Alternate Utility Key Time System Function USB Device English Year Create Folder Info 2XXX Port Trad.

  • Page 51: Utility Key - I/O

    QUICK REFERENCE Utility Key – I/O Utility Key – File Utilities Utility Key – Self Calibration...
  • Page 52 GDS-3000 Series User Manual Zoom Key...

  • Page 53: Default Settings

    QUICK REFERENCE Default Settings The default factory installed settings can be recalled at any time by pressing the Default Setup key. Mode: Sample XY: OFF Acquire Sample mode: ET Delay: On Sample rate: 250MSPS Mode: Vector Persistence: 100ms Display Waveform intensity: 50% Graticule intensity: 50% Waveform visuals: Gray Graticule: full Scale: 100mV/Div CH1: On...
  • Page 54 GDS-3000 Series User Manual Rejection: Off Noise Rejection: Off Slope: positive Level: 0.00V Mode: Auto Holdoff: 10.0ns Language: English Volume: 60% Utility Print key: Save Ink Saver: Off USB device: Computer USB class: CDC Image file format: Bmp Data file format: LSF...

  • Page 55: Built-In Help

    QUICK REFERENCE Built-in Help The Help key accesses a context sensitive help menu. The help menu contains information on how to use the front panel keys. 1. Press the Help key. The Panel operation display changes to Help mode. 2. Use the Variable knob to scroll up and down through the Help contents.

  • Page 57: Measurement

    MEASUREMENT EASUREMENT Basic Measurement ............59  Channel Activation .............. 59   Autoset .................. 61   Auto Range ................62   Run/Stop ................63   Horizontal Position/Scale ........... 64   Vertical Position/Scale ............66   Split Window Mode ............. 67   Automatic Measurement .............
  • Page 58 GDS-3000 Series User Manual Serial Bus ................ 96 Serial Bus Overview ............. 96...

  • Page 59: Basic Measurement

    MEASUREMENT Basic Measurement This section describes the basic operations required in capturing and viewing the input signal. For more detailed operations, see the following chapters. Cursor Measurement → from page 77  Configuration → from page 88  Before operating the oscilloscope, please see the Getting Started chapter, page 11.
  • Page 60 GDS-3000 Series User Manual To activate the default state, Default setup press Default Setup. The Autoset key (page 61) does NOT automatically Autoset activate the channels to which input signals are connected.

  • Page 61: Autoset

    MEASUREMENT Autoset The Autoset function automatically configures the Background panel settings to position the input signal to the best viewing condition. The GDS-3000 automatically configures the following parameters. Horizontal scale  Vertical scale  Trigger source channel  1. Connect the input signal to the Panel operation GDS-3000 and press the Autoset key.

  • Page 62: Auto Range

    GDS-3000 Series User Manual Auto Range The Auto Range function works similarly to the Background Autoset function, except the Auto Range function works continuously when it is on. The Auto Range function will continuously monitor the input signal and adjust the horizontal and vertical scale of a displayed signal so that waveform(s) are displayed at the best possible scale.

  • Page 63: Run/Stop

    MEASUREMENT Press Vertical Only for vertical Configure Auto- autoranging only. Range Press Horizontal Only for horizontal autoranging only. Press Horizontal and Vertical for autoranging on both axes. Auto Range does not work in the following Limitation situation. Input signal frequency is less than 20Hz ...

  • Page 64: Horizontal Position/Scale

    GDS-3000 Series User Manual In the Single Trigger mode, the Freeze waveform waveform always stays in the by Single Trigger mode Stop mode, and is updated only when the Single key is pressed. When the single key is pressed, the Run/Stop key turns red.
  • Page 65 MEASUREMENT To select the timebase (scale), Select horizontal scale turn the TIME/DIV knob; left (slow) or right (fast). Range 1ns/Div ~ 100s/Div, 1-2-5 increments The Time/Division rate is displayed to the left of the H icon at the bottom of the screen. Memory bar The size of the memory bar changes to reflect the timebase and the section of waveform that is displayed on...

  • Page 66: Vertical Position/Scale

    GDS-3000 Series User Manual Vertical Position/Scale For more detailed configuration, see page119. To move the waveform up or Set vertical position down, turn the vertical position knob for each channel. As the waveform moves, the vertical position of the cursor appears on the display.

  • Page 67: Split Window Mode

    MEASUREMENT Split Window Mode The split window mode is able to display and trigger each active channel independently. The split window mode is especially useful for signal comparisons. Reference waveforms can also be used in this mode. All functions and features can be used with split screen mode bar the Math, XY display and Zoom mode.
  • Page 68 GDS-3000 Series User Manual Example CH4 Not active CH4 Active Reference waveforms can also be used in this Reference Waveforms mode. Each reference waveform will be recalled to the corresponding split window number. I.e., Ref1 will be recalled to first split window, Ref2 to the...

  • Page 69: Automatic Measurement

    MEASUREMENT Automatic Measurement The automatic measurement function measures and updates major items for Voltage/Current, Time, and Delay type measurements. Measurement Items V/I Measurements Time Meas. Delay Meas. Overview Pk-Pk Difference between positive Voltage/Current (peak to and negative peak voltage measurement peak) (=Vmax −...
  • Page 70 GDS-3000 Series User Manual Global high voltage High Global low voltage Averaged voltage of the first Average cycle RMS (root mean square) voltage Rise overshoot voltage ROVShoot Fall overshoot voltage FOVShoot Rise preshoot voltage RPREShoot Fall preshoot voltage FPREShoot Frequency of the waveform...
  • Page 71 MEASUREMENT Time between: Delay Source 1 first rising edge and measurement Source 2 first rising edge 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 72: Individual Mode

    GDS-3000 Series User Manual Individual Mode Individual mode shows up to eight selected measurement items on bottom of the screen from any channel source. 1. Press the Measure key. measurement item 2. Press Add Measurement from the bottom menu. 3. Choose either a V/I, Time or Delay measurement from the side menu.

  • Page 73: Remove Measurement

    MEASUREMENT Choose a Source The channel source for measurement items can be set either before or when selecting a measurement item. 1. To set the source, press either the Source1 or Source2 key from the side menu and choose the source. Source 2 is only for delay measurements.

  • Page 74: Gated Display All Mode

    GDS-3000 Series User Manual Remove all items Press Remove All to remove all the measurement items in full screen mode, or to remove all the measurement items for the active window in split screen mode. Gated Display All mode Display All mode can be customized to limiting measurement to a “gated”...

  • Page 75: Display All Mode

    MEASUREMENT Display All mode Display All mode shows and updates all items from Voltage and Time type measurements. 1. Press the Measure key. View measurement results 2. Press Display All from the bottom menu. 3. Choose a channel (CH1, CH2, CH3, CH4) from the side menu to display auto measurement items.
  • Page 76 GDS-3000 Series User Manual Delay type measurement is not available in this Delay mode as only one channel is used as the source. Measurements Use the Individual measurement mode (page 72) instead.

  • Page 77: Cursor Measurement

    MEASUREMENT Cursor Measurement Horizontal or vertical cursors are used to show the position and values of waveform measurements and math operation results. These results cover voltage, time, frequency and other math operations. When the cursors (horizontal, vertical or both) are activated, they will be shown on the main display unless turned off.
  • Page 78 GDS-3000 Series User Manual 5. Use the Variable knob to move the movable cursor(s) left or right. Time, Voltage/Current Cursors Delta (difference between cursors) Example The FFT Math has different FFT Math content. For FFT math details, see page 86.
  • Page 79 MEASUREMENT XY mode cursors measure a number of X by Y XY mode measurements. Time, rectangular, polar co- Cursors ordinates, products, ratio. Delta (difference between cursors) Example Horizontal cursors...

  • Page 80: Use Vertical Cursors

    GDS-3000 Series User Manual Use Vertical Cursors 1. Press the Cursor key twice. Panel operation/ Range 2. Press V Cursor from the bottom menu. 3. Press V Cursor repeatedly to toggle the cursor type. Range Upper cursor movable, lower cursor position fixed...
  • Page 81 MEASUREMENT Example Horizontal cursors Vertical cursors The FFT Math has different FFT Math content. For FFT math details, see page 86. Cursors Frequency, dB/V Delta (difference between cursors) Example Horizontal cursors Vertical cursors...
  • Page 82 GDS-3000 Series User Manual XY mode cursors measure a number of X by Y XY mode measurements. Rectangular, polar co-ordinates, Cursors products, ratio. Delta (difference between cursors) Example Vertical cursors Horizontal cursors...

  • Page 83: Math Operation

    MEASUREMENT Math Operation Overview Math operation runs addition, subtraction, Background multiplication, division or FFT using the input signals or reference waveforms (Ref1~4) and shows the result on the display. The resulted waveform characteristics can be measured using the cursors. Adds the amplitude of two signals. Addition (+) CH1~4, Ref1~4 Source...

  • Page 84: Addition/Subtraction/Multiplication

    GDS-3000 Series User Manual Frequency resolution Good Hamming FFT window Amplitude resolution Not good Frequency measurement on Suitable for..periodic waveforms Frequency resolution Very good Rectangular FFT window Amplitude resolution Bad Single-shot phenomenon Suitable for..(this mode is the same as...
  • Page 85 MEASUREMENT 5. Select Source 2 from the side menu. CH1~4, Ref~4 Range 6. The math measurement result appears on the display. The vertical scale of the math waveform appears at the bottom of the screen. From left: Math function, source1, operator, source2, Unit/div Example Source 1...

  • Page 86: Fft

    GDS-3000 Series User Manual 1. Press the Math key. Panel operation 2. Press FFT from the bottom menu. 3. Select the Source from the side menu. CH1~4, Ref~4 Range 4. Press the Vertical Units key from the side menu to select the vertical units used.
  • Page 87 MEASUREMENT Channel Math Position and unit To move the FFT waveform vertically, press Position and use the variable knob. –12.00 Div ~ +12.00 Div Range To select the vertical scale of FFT waveform, press Unit/Div and use the variable knob. 2mV~1kV RMS, 1~20 dB Range To clear the FFT result from the...

  • Page 88: Applications

    GDS-3000 Series User Manual Applications Overview The APP. function allows different applications to Background be run. Applications can be downloaded from the GW Instek website. The GO_NOGO application can be Applications GO-NOGO used to set threshold levels for input signals. GO-NOGO checks if...
  • Page 89 MEASUREMENT 3. Scroll through each Application using the Variable knob. 4. Select an application by pressing the Select key twice. ×2...

  • Page 90: Using Go_Nogo

    GDS-3000 Series User Manual Using Go_NoGo The Go-NoGo test checks if a waveform fits inside Background a user-specified maximum and minimum boundary (boundary template). Boundary templates are automatically created from a source channel. Boundary tolerance and violation conditions and can be set.
  • Page 91 MEASUREMENT Enter: Sets the NoGo condition to when the input signal stays within the limit boundary. 2. Press When again to change the menu to Violating. Use the Variable knob to choose the action for when a violation occurs. Stop: The waveform will be frozen. Violating Stop_Beep: The waveform will be frozen and a beep will be output.
  • Page 92 GDS-3000 Series User Manual 1. To set a maximum and minimum Maximum and boundary, press Minimum Position Minimum from the bottom menu and use the Variable knob to select the absolute minimum position. Voltage division range Position 2. Press Minimum Position again to toggle the menu to Maximum Position.
  • Page 93 MEASUREMENT Press Enable to start the Go-NoGo test. Start Go-NoGo The Enable button will change to Disable. Pressing Disable will stop the Go-NoGo test and toggle the button back to Enable. To exit the application, press Break. Exit the Application To output the Go-NoGo results to an Using the Go- external device, the Go-NoGo rear...
  • Page 94 GDS-3000 Series User Manual Circuit diagram...

  • Page 95: Power Analysis

    MEASUREMENT Power Analysis Power analysis provides automatic measurement for a number of advanced measurement types such as power quality, harmonics, ripple and deskew. The Power analysis software is an optional software module. The GDS-3000 includes a 1 month trial. To install the optional software module or the limited time trial, please see page 195.

  • Page 96: Serial Bus

    GDS-3000 Series User Manual Serial Bus The serial bus trigger and decode software includes support for 3 common serial interfaces, SPI, UART and 1 C. Each interface is fully configurable to accommodate a wide range of protocol variation. Up to two different UART or I C buses can be used at the same time.
  • Page 97 MEASUREMENT The SPI (Serial Peripheral Interface) bus is fully configurable to accommodate the wide variety of SPI interfaces. SCLK, SS, MOSI, MISO Inputs SCLK, SS, MOSI, MISO (±10V) Threshold Configuration SCLK edge, SS logic level, MOSI logic level, MISO logic level, word size, bit order...
  • Page 98 GDS-3000 Series User Manual...

  • Page 99: Configuration

    CONFIGURATION ONFIGURATION Acquisition ..............101  Select Acquisition Mode ............ 101   Show Waveform in XY Mode .......... 103   Set the Sampling Mode ............105   Real time vs Equivalent Time Sampling Mode ....106   Display ................108  Display Waveform as Dots or Vectors ......108  ...
  • Page 100 GDS-3000 Series User Manual Trigger ................126 Trigger Type Overview ............. 126 Trigger Parameter Overview ..........128 Setup Holdoff Level ............132 Setup Trigger Mode ............133 Using the Edge Trigger ............. 133 Using Advanced Delay Trigger ........135 Using Pulse Width Trigger ..........136 Using Video Trigger ............

  • Page 101: Acquisition

    CONFIGURATION Acquisition The Acquisition process samples the analog input signals and converts them into digital format for internal processing. Select Acquisition Mode The acquisition mode determines how the samples Background are used to reconstruct a waveform. The first sample in each Sample acquisition (bucket) is used.
  • Page 102 GDS-3000 Series User Manual 2. To set the Acquisition mode, press Mode on the on the bottom menu. 3. Select an acquisition mode from the side menu. Mode Sample, Peak Detect, Hi Resolution, Average Average 2, 4, 8, 16, 32, 64, 128,...

  • Page 103: Show Waveform In Xy Mode

    CONFIGURATION Show Waveform in XY Mode The XY mode maps the voltage of channel 1 or Background channel 3 to the voltage of channel 2 or 4. This mode is useful for observing the phase relationship between waveforms. 1. Connect the signals to Connection Channel 1 (X-axis) and Channel 2 (Y-axis) or...
  • Page 104 GDS-3000 Series User Manual 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. To move the X Y waveform position, use the vertical position knob:...

  • Page 105: Set The Sampling Mode

    CONFIGURATION Set the Sampling Mode The GDS-3000 has two types of sampling modes: Background ET (Equivalent Time) and Sin(x)/x interpolation. Equivalent time sampling is able to achieve a sample rate of 100GSa/s when sampling periodic waveforms. Sin(x)/x interpolation uses curves to join each sampled point to give an accurate representation of a signal between sampled points.

  • Page 106: Real Time Vs Equivalent Time Sampling Mode

    GDS-3000 Series User Manual Real time vs Equivalent Time Sampling Mode The sampling mode on the GDS-3000 can be Background switched between two sampling modes: Real-time and Equivalent-time. The number of active channels in operation will determine the sampling rate of the DSO. The sampling rate and mode...
  • Page 107 CONFIGURATION...

  • Page 108: Display

    GDS-3000 Series User Manual Display The Display menu defines how the waveforms and parameters appear on the main LCD display. Display Waveform as Dots or Vectors When the waveform is displayed on screen, it can Background be displayed as dots or vectors.

  • Page 109: Set The Level Of Persistence

    CONFIGURATION Set the Level of Persistence The persistence function allows the GDS-3000 to Background mimic the trace of a traditional analog oscilloscope. A waveform trace can be configured to “persist” for designated amount of time. 1. Press the Display menu key. Panel operation 2.
  • Page 110 GDS-3000 Series User Manual 3. To set the waveform intensity, press Waveform Waveform Intensity Intensity and edit the intensity. 0~100% Range 4. To set the graticule intensity, press Graticule Graticule Intensity from the side menu and edit the Intensity intensity value.

  • Page 111: Set The Waveform Intensity Type

    CONFIGURATION Set the Waveform Intensity Type The intensity gradient of a signal can be set to Background grayscale or color. If intensity is set to color, the intensity gradient is analogous to a thermal color gradient where high intensity areas are colored red and low intensity areas are colored blue.

  • Page 112: Select Display Graticule

    GDS-3000 Series User Manual Select Display Graticule 1. Press the Display menu key. Panel operation 2. Press Graticule from the bottom menu. 3. From the side menu choose the graticule display type. Full : Shows the full grid; X and Y axis for each division.

  • Page 113: Freeze The Waveform (Run/Stop)

    CONFIGURATION Freeze the Waveform (Run/Stop) For more details about Run/Stop mode, see page 62. 1. Press the Run/Stop key. To Panel operation unfreeze the waveform, press the Run/Stop key again. 2. The waveform and the trigger freezes. The trigger indicator on the top right of the display shows Stop.

  • Page 114: Horizontal View

    GDS-3000 Series User Manual Horizontal View This section describes how to set the horizontal scale, position, and waveform display mode. Move Waveform Position Horizontally The horizontal position knob moves Panel operation the waveform left/right. As the waveform moves, a position indicator on the on the top of the display indicates the horizontal position of the waveform in memory.

  • Page 115: Select Horizontal Scale

    CONFIGURATION Select Horizontal Scale To select the timebase (scale), turn the Select horizontal TIME/DIV knob; left (slow) or right scale (fast). Range 1ns/Div ~ 100s/Div, 1-2-5 increment The timebase indicator updates as the TIME/DIV is adjusted. Horizontal Time base position In Run mode, the memory bar and waveform size Run mode keep their proportion.

  • Page 116: Select Waveform Update Mode

    GDS-3000 Series User Manual Select Waveform Update Mode The display update mode is switched Background automatically or manually according to the timebase and trigger. Updates the whole displayed waveform at Normal once. Automatically selected when the timebase (sampling rate) is fast.

  • Page 117: Zoom Waveform Horizontally

    CONFIGURATION Zoom Waveform Horizontally When in Zoom mode the screen is split into 2 Background sections. The top of the display shows the full record length, with the bottom of the screen showing the normal view. 1. Press the Zoom key. Panel operation 2.
  • Page 118 GDS-3000 Series User Manual The zoom time base (Z) at the bottom of the screen will change accordingly. Use the Variable knob to pan the zoom Move the zoom window horizontally. window To reset the Zoom position, press Reset Zoom Position to 0s.

  • Page 119: Vertical View (Channel)

    CONFIGURATION Vertical View (Channel) This section describes how to set the vertical scale, position, and coupling mode. Move Waveform Position Vertically 1. To move the waveform up or Panel operation down, turn the vertical position knob for each channel. 2. As the waveform moves, the vertical position of the cursor appears at the bottom half of the display.

  • Page 120: Select Coupling Mode

    GDS-3000 Series User Manual The vertical scale indicator on the bottom left of the display changes accordingly for the specific channel. 2mV/Div ~ 1V/Div (50Ω/75Ω), Range 2mV/Div ~ 5V/Div (1MΩ). 1-2-5 increments In Stop mode, the vertical scale setting can be Stop mode changed but the waveform shape stays the same.

  • Page 121: Set The Impedance

    CONFIGURATION Example Observing the AC portion of the waveform using AC coupling DC coupling AC coupling Set the Impedance 1. Press the Channel key. Panel operation 2. Press Impedance repeatedly to toggle between the impedance settings. 1MΩ, 75Ω, 50Ω Impedance Invert Waveform Vertically 1.

  • Page 122: Limit Bandwidth

    GDS-3000 Series User Manual Limit Bandwidth Bandwidth limitation puts the input signal into a Background selected bandwidth filter. This function is useful for cutting out high frequency noise to see a clear waveform shape. The bandwidth filters available are dependent on the bandwidth of the oscilloscope model.

  • Page 123: Expand By Ground/Center

    CONFIGURATION Expand by Ground/Center When the voltage scale is changed, the Expand Background function designates whether the signal expands from the center of the signal or from the signal ground level. Expand by center can be used to easily see if a signal has a voltage bias. Expand by ground is the default setting.

  • Page 124: Select Probe Type

    GDS-3000 Series User Manual Expand by Ground Expand by Center Expand by Expand by Ground Center Select Probe Type A signal probe can be set to voltage or current. Background 1. Press the Channel key. Panel operation 2. Press Probe from the bottom menu.

  • Page 125: Set The Deskew

    CONFIGURATION 3. Press Attenuation on the side menu and use the variable knob to set the attenuation. Alternatively, press Set to 10X. 1mX ~1kX (1-2-5 step) Range The attenuation factor adds no influence on the Note real signal. It just changes the voltage/current scale on the display.

  • Page 126: Trigger

    GDS-3000 Series User Manual Trigger The trigger configures the conditions for when the GDS-3000 captures a waveform. Trigger Type Overview The edge trigger is the simplest trigger type. An Edge edge trigger triggers when the signal crosses an amplitude threshold with either a positive or negative slope.
  • Page 127 CONFIGURATION Delay trigger example (by time) Ext. trigger input Source Delay time length First triggering point Triggers when the pulse width of the signal is less Pulse Width than, equal, not equal or greater than a specified pulse width. Pulse width Extracts a sync pulse from a video format signal, Video and triggers on a specific line or field.

  • Page 128: Trigger Parameter Overview

    GDS-3000 Series User Manual Trigger Parameter Overview All the following parameters are common for all the trigger types unless stated otherwise. Channel 1 ~ 4 input signals Trigger source CH1 ~ 4 External trigger input signal AC mains signal AC Line...
  • Page 129 CONFIGURATION AC coupling. Blocks DC components (Edge, Delay) from the trigger circuits. High frequency filter above 50kHz HF reject Low frequency filter below 50kHz LF reject Reject noise DC coupling with low sensitivity to reject noise. Trigger on a rising edge. Slope (Edge, Delay, Rise Trigger on a falling edge.
  • Page 130 GDS-3000 Series User Manual Sets the source trigger to the minimum Set to Minimum time. Sets the pulse width (4ns ~ 10s) and the triggering When condition. (Pulse Width) Longer than Equal to > Shorter than ≠ Not equal to <...
  • Page 131 CONFIGURATION Sets the upper threshold limit. Threshold Sets the lower threshold limit. (Pulse Runt) 1.4V Set to TTL -1.3V Set to ECL Sets the High threshold. Threshold Sets the Low threshold. (Rise & Fall) 1.4V Set to TTL -1.3V Set to ECL...

  • Page 132: Setup Holdoff Level

    GDS-3000 Series User Manual Setup Holdoff Level The holdoff function defines the waiting period Background before the GDS-3000 starts triggering again after a trigger point. The holdoff function ensures a stable display if there are a number points in a periodic waveform that can be triggered.

  • Page 133: Setup Trigger Mode

    CONFIGURATION Setup Trigger Mode The trigger mode can be set to Normal or Auto Background (untriggered roll). The triggering mode applies to all the trigger types. See page 116. 1. Press the Trigger menu key. Panel operation 2. Press Mode from the bottom menu to change the triggering mode.
  • Page 134 GDS-3000 Series User Manual 5. Use the side menu to select the trigger source type. Channel 1 ~ 4 (Alternate On/Off), Range Line, EXT; Ext Probe (Volt/Current), AC Line 6. Press Coupling from the bottom bezel menu to select the trigger coupling or frequency filter settings.

  • Page 135: Using Advanced Delay Trigger

    CONFIGURATION 12. Set the external trigger level using the side menu. 00.0V~ 5 screen divisions Range Set to TTL 1.4V Set to ECL -1.3V Set to 50% Using Advanced Delay Trigger The EXT trigger source is always used as the delay Background triggering source.

  • Page 136: Using Pulse Width Trigger

    GDS-3000 Series User Manual 5. To delay by time, press Time from the side menu and set the delay time. 10ns ~ 10s (by time) Range Set to minimum 6. To Delay by Event, press Event from the side menu and set the number of events.
  • Page 137 CONFIGURATION 5. Use the side menu to select the pulse width trigger source. Channel 1 ~ 4 (Alternate On/Off), Range Line, EXT; Ext Probe (Volt/Current), AC Line 6. Press Polarity to toggle the polarity type. Positive (high to low transition) Range Negative (low to high transition) 7.

  • Page 138: Using Video Trigger

    GDS-3000 Series User Manual Using Video Trigger 1. Press the trigger Menu key. Panel operation 2. Press the Type key from the lower bezel menu. 3. Select Video from the side menu. The video trigger indicator appears at the bottom of the display.

  • Page 139: Pulse Runt Trigger

    CONFIGURATION 9. Use the side menu to select the field and line. 1, 2, All Field Video line NTSC: 1 ~ 262 (Even), 1 ~ 263 (Odd) PAL/SECAM: 1 ~ 312 (Even), 1 ~ 313 (Odd), EDTV(480P): 1~ 525, EDTV(576P): 1~ 625 HDTV(720P): 1~ 750, HDTV (1080i): 1 ~ 562 (even), 1~563 (odd), HDTV...
  • Page 140 GDS-3000 Series User Manual 4. Press Source from the lower menu. 5. Use the side menu to select a source. Channel 1 ~ 4 Range 6. Press Polarity to toggle the polarity. Rising edge, falling edge, either. Range 7. Press When from the lower menu.

  • Page 141: Using Rise And Fall Trigger

    CONFIGURATION 11. Use the side menu to set the lower threshold. -80V~80V Range Set to TTL 1.4V Set to ECL -1.3V Set to 50% Using Rise and Fall Trigger 1. Press the trigger Menu key. Panel operation 2. Press the Type key from the lower bezel menu.
  • Page 142 GDS-3000 Series User Manual 6. Press Slope from the bottom menu to toggle the slope. Rising edge, falling edge, either Range 7. Press When from the lower menu. 8. Then use the side menu to select the logic conditions and true or false status.

  • Page 143: System Info / Language / Clock

    CONFIGURATION System Info / Language / Clock This section describes how to set the interface, beeper, language, time/date, and probe compensation signal. Select Menu Language The following is a list of language available by Parameter default. Language selection may differ according to the region to which the GDS-3000 is shipped.

  • Page 144: Erase Memory

    GDS-3000 Series User Manual 3. Press System Info from the side menu. A display panel will appear showing: Manufacturer name Model name   Serial number Firmware version   Manufacturer URL  Erase Memory The Erase Memory function will erase all internal...

  • Page 145: Set The Buzzer Volume

    CONFIGURATION A message will prompt you to press Erase Memory again to confirm the process. 4. Press Erase Memory. Set the Buzzer Volume 1. Press the Utility key. Panel operation 2. Press System from the lower menu. 3. Press the buzzer icon on the side panel.
  • Page 146 GDS-3000 Series User Manual 3. Set the Year, Month, Day, Hour and Minute from the side menu. 2000 ~ 2037 Year 1 ~ 12 Month 1 ~ 31 1~24 Hour 0~59 Minute 4. Press Save Now from the side menu to save the date and time.

  • Page 147: Save/Recall

    SAVE/RECALL AVE/RECALL File Format/Utility ............148  Image File Format .............. 148   Waveform File Format ............148   Spreadsheet File Format............ 149   Setup File Format ............... 150   Create/Edit file labels ............. 152  Save ................154  File Type/Source/Destination ......... 154  ...

  • Page 148: File Format/Utility

    Format The LSF file format efficiently stores waveforms. This is the file format is used for storing and recalling waveforms that can be used for measurement with the GDS-3000 series. Input channel signal Waveform type CH1 ~ 4 Math operation result (page 83)

  • Page 149: Spreadsheet File Format

    Spreadsheet File Format DSxxxx.csv (Comma-separated values format, can Format be opened in spreadsheet applications such as Microsoft Excel). CSV files cannot be recalled onto the GDS-3000 series of oscilloscopes. Input channel signal Waveform type CH1 ~ 4 Math operation result (page83)

  • Page 150: Setup File Format

    GDS-3000 Series User Manual Horizontal scale Horizontal scale   Horizontal position Sampling period   Time (of points) Channel   Setup File Format DSxxxx.set (proprietary format) Format The setup file saves or recalls the following settings. Mode Delay...
  • Page 151 SAVE/RECALL Source1 Position Math   Operator Unit/Div   Source2 Math Off   Type Noise Rejection Trigger   Source Slope   Coupling Level   Alternate Mode   Rejection Holdoff   Language Ink Saver Utility ...

  • Page 152: Create/Edit File Labels

    GDS-3000 Series User Manual Create/Edit file labels Reference files and Setup files stored in internal Format memory can have individual labels set. The labels are used on the reference waveform and setup file icons. 1. Press the Save/Recall key from the Panel operation front panel.
  • Page 153 SAVE/RECALL 2. The Edit Label window appears. 3. Use the Variable knob to highlight a character. Press Enter Character to select a number or letter. Press Back Space to delete a character. Press Editing Completed to create the new label and return to the previous menu.

  • Page 154: Save

    GDS-3000 Series User Manual Save File Type/Source/Destination Item Source Destination Front panel settings Internal memory: Set1 ~ Panel setup   (DSxxxx.set) Set20 File system: Disk, USB  Channel 1 ~ 4 Internal memory: Waveform data   Reference waveform (DSxxxx.csv)

  • Page 155: Save Image

    SAVE/RECALL Save Image 1. To save to USB, connect a Panel operation Front Rear USB drive to the front or rear panel USB port. If a USB drive is not connected, images will be saved to the internal memory. Note: Only one host connection, front or rear, is allowed at a time.

  • Page 156: Save Image - Print Key

    GDS-3000 Series User Manual 6. Press Save Now from the side menu to save the display as an image file. The file will not be saved if the Note power is turned Off or the USB drive is taken out before the message ends.

  • Page 157: Save Waveform

    SAVE/RECALL 4. On the side menu, press Function repeatedly to select Save. The Save led on the screen bezel will be lit when the printout function is set to Save. 5. Press the Print key to save to USB To invert the color for the saved or Ink Saver printed display image, press Ink Saver repeatedly to toggle Ink Saver On or...
  • Page 158 GDS-3000 Series User Manual 3. Press Save Waveform from the bottom menu. 4. Choose the From waveform on the side menu. CH1~4, Math, Ref1~4, All Source displayed 5. Press To (internal memory) or To File and choose a destination to save.

  • Page 159: Save Setup

    SAVE/RECALL Saving waveforms can also be PC software accomplished using Freewave, (FreeWave) downloadable from GWInstek website. Save Setup 1. (For saving to an external Panel operation Front Rear USB flash drive) Connect the drive to the front or rear panel USB port. Note: Only one host connection, front or rear, is allowed at a time.
  • Page 160 GDS-3000 Series User Manual 5. Press Save Now to confirm saving. When completed, a message appears at the bottom of the display. The file will not be saved if the Note power is turned Off or the USB drive is taken out before the message ends.

  • Page 161: Recall

    SAVE/RECALL Recall File Type/Source/Destination Item Source Destination Current front panel Factory installed Default panel   setup setting Current front panel Internal memory: Reference   waveform Ref1~4 Internal memory: S1 ~ Current front panel Panel setup   (DSxxxx.set) File system: Disk, USB ...
  • Page 162 GDS-3000 Series User Manual Sample rate: 250MSPS Mode: Vector Persistence: 100ms Display Waveform intensity: 50% Graticule intensity: 50% Waveform visuals: Gray Graticule: full Scale: 100mV/Div CH1: On Channel Coupling: DC Impedance: 1MΩ Invert: Off Bandwidth: full Expand: By ground Position: 0.00V...

  • Page 163: Recall Waveform

    SAVE/RECALL Recall Waveform 1. (For recalling from an Panel operation Front Rear external USB flash drive) Connect the drive to the front or rear panel USB port. Note: Only one host connection, front or rear, is allowed at a time. 2.

  • Page 164: Recall Setup

    GDS-3000 Series User Manual 7. Press Recall Now to recall the waveform. To edit USB flash drive contents USB file utility (create/ delete/ rename files and folders) or to set the file path, press File Utilities. For details, see page 169.
  • Page 165 SAVE/RECALL 5. Press Recall Now to confirm recalling. When completed, a message appears at the bottom of the display. The file will not be saved if the Note power is turned Off or the USB drive is taken out before the message ends.

  • Page 166: Reference Waveforms

    GDS-3000 Series User Manual Reference Waveforms Recall and Display Reference Waveforms A reference waveform must be stored in advance. Panel operation See page 156 to store waveforms as reference waveforms. 1. Press the REF key on the front panel. 2. Pressing R1~R4 repeatedly will toggle the corresponding reference waveform OFF/ON.
  • Page 167 SAVE/RECALL Press Vertical repeatedly from the side Vertical menu to choose to edit the vertical navigation position or Volts/Div. Use the Variable knob to edit the values. Press Horizontal repeatedly from the Horizontal side menu to choose to edit the navigation Time/Div or the horizontal position.

  • Page 169: File Utilities

    FILE UTILITIES ILE UTILITIES The file utilities are used each time files need to be saved to internal or external memory. The file utilities can create directories, delete directories and rename files. BMP and PNG image files can be previewed in the file system. The File Utilities menu also sets the file path for saving and recalling files from the Save/Recall menu.

  • Page 170: File Navigation

    GDS-3000 Series User Manual File Navigation The File Utilities menu can be used to choose files or to set the file path for saving/recalling files. File System 1. Press the Utility key. Panel operation 2. Press File Utilities from the bottom...
  • Page 171 FILE UTILITIES 3. The file system appears. 4. Use the Variable knob to move the Left Right file cursor up and down. Use the Select key to choose a file or directory or to set the file path. The file path can be set to internal memory or to a directory on a USB memory stick.

  • Page 172: Create Folder

    GDS-3000 Series User Manual Create Folder 1. Press the Utility key. Panel operation 2. Press File Utilities from the bottom menu. 3. Use the variable knob and select key to navigate the file system. 4. Press Create Folder to make a new Create Folder directory at the selected location.

  • Page 173: Rename Folder Or File

    FILE UTILITIES Press Enter Character to select a number or letter. Press Back Space to delete a character. 6. Press Editing completed to create the folder name. Press Cancel to cancel the operation. Cancel Rename File 1. Press the Utility key. Panel operation 2.
  • Page 174 GDS-3000 Series User Manual 4. Press Rename when a file is chosen. 5. Use the Variable knob to highlight a character. Press Enter Character select a number or letter. Press Back Space to delete a character. 6. Press Editing completed to create...

  • Page 175: Delete File

    FILE UTILITIES Delete File 1. Press the Utility key. Panel operation 2. Press File Utilities from the bottom menu. 3. Use the variable knob and select key to navigate the file system to choose a file. 4. Press Delete to delete the selected file.
  • Page 176 GDS-3000 Series User Manual...

  • Page 177: Print Out

    PRINT OUT RINT OUT Screen images can be printed to any PictBridge compatible printer using the USB device port. The GDS-3000 has a dedicated Print key for quick and easy printing. To reduce the amount of printer ink used for each print, images can be printed using the Ink Saver function.
  • Page 178 GDS-3000 Series User Manual Print Output Ensure the USB port has been configured to the Printer before trying to print, see page 177. 1. Press the Utility key. Panel operation 2. Press Printout from the bottom menu. 3. On the side menu, press Function repeatedly to select Print.
  • Page 179 PRINT OUT To have a white background on the Ink Saver saved or printed display image, press Ink Saver repeatedly to toggle Ink Saver On or Off from the side menu. Ink Saver On Ink Saver Off...
  • Page 180 GDS-3000 Series User Manual...

  • Page 181: Remote Control Config

    REMOTE CONTROL CONFIG EMOTE CONTROL CONFIG This chapter describes basic configuration of IEEE488.2 based remote control. For a command list, refer to the programming manual downloadable from GWInstek website, www.gwinstek.com Interface Configuration ..........182  Configure USB Interface ........... 182   Configure RS-232C Interface ...........

  • Page 182: Interface Configuration

    GDS-3000 Series User Manual Interface Configuration Configure USB Interface PC side connector Type A, host configuration Type B, slave GDS-3000 side connector 1.1/2.0 (full speed) Speed CDC (communications device USB Class class) 1. Press the Utility key. Panel operation 2. Press I/O from the bottom menu.

  • Page 183: Configure Rs-232C Interface

    REMOTE CONTROL CONFIG Configure RS-232C Interface DB-9, Male RS-232C Connector configuration 2400, 4800, 9600, 19200, 38400, Baud rate 57600, 115200 None, Odd, Even Parity 8 (fixed) Data bit 1, 2 Stop bit 1. Press the Utility key. Panel operation 2. Press I/O from the bottom menu. 3.

  • Page 184: Configure The Ethernet Interface

    GDS-3000 Series User Manual 7. Connect the RS-232C cable to the rear panel port: DB-9 male connector. For a functionality check, see page 188. 1 2 3 4 5 2: RxD (Receive data) Pin assignment 3: TxD (Transmit data) 5: GND...
  • Page 185 REMOTE CONTROL CONFIG 1. Press the Utility key. Panel operation 2. Press I/O from the bottom menu. 3. Press Ethernet from the side menu. 4. Set DHCP/BOOTP to On or Off from the side menu. IP addresses will automatically be assigned with Note DHCP/BOOTP set to on.
  • Page 186 GDS-3000 Series User Manual MAC Address, Instrument Name, Items User Password, Instrument IP Address, Domain Name, DNS IP Address, Gateway IP Address, Subnet Mask Note: HTTP Port is fixed at 80. 6. Use the Variable knob to highlight a character and use the Select key to choose a character.

  • Page 187: Configure Gpib Interface

    REMOTE CONTROL CONFIG Configure GPIB Interface To use GPIB, the optional GPIB to USB (GUG-001) adapter must be used. The GPIB address can be configured for the GUG-001 from the utility menu. See the GUG-001 user manual for more information. 1.

  • Page 188: Usb/Rs-232C Remote Control Software

    GDS-3000 Series User Manual USB/RS-232C Remote Control Software Invoke the terminal application such as MTTTY Terminal (Multi-Threaded TTY). For RS-232C, set the COM application (USB/RS-232C) port, baud rate, stop bit, data bit, and parity accordingly. To check the COM port No, see the Device Manager in the PC.

  • Page 191: Maintenance

    MAINTENANCE AINTENANCE Two types of maintenance operations are available: calibrate vertical resolution, and compensate the probe. Run these operations when using the GDS-3000 in a new environment. Vertical Resolution Calibration ........192   Probe Compensation ............193   Activating Optional Software ........... 195  ...

  • Page 192: Vertical Resolution Calibration

    GDS-3000 Series User Manual Vertical Resolution Calibration 1. Press the Utility key. Panel operation 2. Press System from the bottom menu. 3. Press NEXT from the side menu. 4. Press Self Cal on the side menu. 5. A message appears to “Set CAL to CH1, then press Self Cal”.

  • Page 193: Probe Compensation

    MAINTENANCE 8. Repeat the above step for Channel 2, 3* and 4* when prompted. *4 channel models. 9. When the calibration for all channels has completed, the display goes back to the default state. Probe Compensation 1. Connect the probe between the Channel1 input Panel operation and the probe compensation output (2Vp-p, 1kHz square wave) on the front panel.
  • Page 194 GDS-3000 Series User Manual Page 124 5. Set the Probe attenuation to Voltage, 10X. 6. Press the Autoset key. The compensation signal appears on the display. 7. Press the Display key, then set the display type to Vector. 8. Turn the adjustment point on the probe until the signal edge becomes sharp.
  • Page 195 Changing the system date will not have an effect on the time trial period. The time trial demonstration software can only be used once. For the latest files and information regarding the optional software packages, see the GW Instek website: www.gwinstek.com PowerEnableTrial.LIS Activation key Power analysis PowerEnable.LIS...
  • Page 196 GDS-3000 Series User Manual 4. Press File Utilities from the bottom menu. 5. The file system appears. 6. Use the Variable knob and Select key to select the activation key from the USB root directory. When prompted to continue, press the Select key again.

  • Page 197: Faq

    • I connected the signal but it does not appear on the display. • I want to remove the (Measurement result / FFT result / Help contents) from the display. • The waveform does not update (frozen). • The probe waveform is distorted. •...
  • Page 198 GDS-3000 Series User Manual I want to remove the (Measurement result / FFT result / Help contents) from the display. To clear automatic measurement results, press the Measure key, Select Remove Measurement and choose Remove All. See page 73. To clear individual measurements from the screen, press the Measure key, select Display All and choose Display None.
  • Page 199 I can’t save files to the internal memory. If a USB stick is inserted into one of the USB slots and you wish to save to the scope internal memory, press the Utilities key and set the file path to internal memory. When a USB stick is inserted into any of the USB slots, the file path is automatically set to the USB root directory.
  • Page 200 GDS-3000 Series User Manual...

  • Page 201: Appendix

    APPENDIX PPENDIX GDS-3000 Specifications The specifications apply when the GDS-3000 is powered on for at least 30 minutes under +20°C~+30°C. Model-specific GDS-3152 Channels 2 + Ext Bandwidth DC ~ 150MHz (–3dB) Rise time 2.3ns GDS-3154 Channels 4 + Ext Bandwidth DC ~ 150MHz (–3dB) Rise time 2.3ns...
  • Page 202 GDS-3000 Series User Manual DC Gain ±(3% X |Readout| + 0.1div + 1mV) Accuracy Polarity Normal & Invert Maximum @1 MΩ: 300V (DC+AC Peak), CAT I Input Voltage @50/75Ω: 5 VRMS max Offset Position 2mV/div ~ 100mV/div : ±0.5V Range 200mV/div ~ 5V/div : ±25V...
  • Page 203 APPENDIX Input 1MΩ//15pF Impedance Horizontal Range 1ns/div ~ 100s/div (1-2-5 increments); ROLL : 100ms/div ~ 100s/div Pre-trigger 10 div maximum Post-trigger 1000 div Accuracy ±20 ppm over any 1 ms time interval X-Y Mode X-Axis Input Channel 1;Channel 3 Y-Axis Input Channel 2;Channel 4 Phase Shift ±3°...
  • Page 204 GDS-3000 Series User Manual Control Panel Autoset Single-button, automatic setup of all channels for Function vertical, horizontal and trigger systems, with undo autoset Auto-Range allow users to quickly move from test point to test point without having to reset the oscilloscope for...

  • Page 205: Probe Specifications

    APPENDIX Probe Specifications Model-specific GTP-151R GDS-3152 / GDS-3154 Applicable to Bandwidth DC ~ 150MHz Rise time 2.3ns Input ~12pF Capacitance GTP-251R Applicable to GDS-3252 / GDS-3254 Bandwidth DC ~ 250MHz Rise time 1.4ns Input ~12pF Capacitance GTP-351R Applicable to GDS-3352 / GDS-3354 Bandwidth DC ~ 350MHz Rise time...

  • Page 206: Gds-3000 Dimensions

    GDS-3000 Series User Manual GDS-3000 Dimensions 109. 6 400. 0 120. 5...

  • Page 207: Declaration Of Conformity

    APPENDIX Declaration of Conformity GOOD WILL INSTRUMENT CO., LTD. No. 7-1, Jhongsing Rd, Tucheng City, Taipei County 236. Taiwan. GOOD WILL INSTRUMENT (SUZHOU) CO., LTD. No. 69 Lushan Road, Suzhou New District Jiangsu, China. declare that the below mentioned product Type of Product: Digital Storage Oscilloscope Model Number: GDS-3152, GDS-3252, GDS-3352, GDS-3154, GDS-3254, GDS-3354...
  • Page 208 GDS-3000 Series User Manual...

  • Page 209: Index

    INDEX NDEX 2-4 channel differences ....12 Conventions ........ 33 AC coupling ......120 Coupling mode ......120 Acquisition ....... 101 Cursor indicator ......... 26 horizontal ........77 Sampling mode ......105 specification ......... 203 specification ......... 203 vertical ..........80 XY mode ........
  • Page 210 GDS-3000 Series User Manual External trigger ......128 Invert waveform ...... 121 input terminal ....... 22 Keys overview ......18 specification ......... 202 Labels ........152 Falling time measure ....70 Language selection ....143 FAQ ........... 197 List of features ......13 FFT ..........
  • Page 211 INDEX attenuation type ......124 Split Window deskew ......... 125 operation ........67 package list ........16 reference position ......68 specification ......... 205 Spreadsheet file format ... 149 Probe compensation ....193 Stop icon ........63 Program manual download ..16 System information ....
  • Page 212 GDS-3000 Series User Manual Zoom waveform ...... 117...

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