GW Instek GDS-800 Series Operation Manual
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GW Instek GDS-800 Series Operation Manual

Digital storage oscilloscope
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GDS-800 Series Digital Storage Oscilloscope Operation Manual

Digital Storage Oscilloscope

GDS-800 Series
Operation Manual
© 2004 GOOD WILL Instrument Co., Ltd. All rights reserved
GW Part No: 82DS-82000MA
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  • Page 1: Digital Storage Oscilloscope

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Digital Storage Oscilloscope GDS-800 Series Operation Manual © 2004 GOOD WILL Instrument Co., Ltd. All rights reserved GW Part No: 82DS-82000MA...

  • Page 2: Table Of Contents

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Table of Contents Pages 1. USAGE PRECAUTIONS AND RECOMMENDATIONS ......2 2. GENERAL DESCRIPTION AND FEATURES..........7 3. FIRST TIME OPERATION ................9 4. PANEL DESCRIPTION ................12 5. OPERATION .....................17 6. BLOCK DIAGRAM..................67 7. RS-232 CONFIGURATION ...............68 8.

  • Page 3: Usage Precautions And Recommendations

    GDS-800 Series Digital Storage Oscilloscope Operation Manual 1. Usage Precautions and Recommendations The following precautions are recommended to insure your safety and to provide the best condition of this instrument. If this equipment is used in a manner not specified by the manufacture, the protection provided by the equipment may be impaired.
  • Page 4 GDS-800 Series Digital Storage Oscilloscope Operation Manual FOR UNITED KINGDOM ONLY 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: Earth...
  • Page 5 GDS-800 Series Digital Storage Oscilloscope Operation Manual Use and Wear CAUTION • Do not exceed 300V into the channel BNC INPUTs. peak • To avoid risk of fire hazard and electrical shock, a hazardous live voltage must never be connected to the negative side (reference side) of the BNC measuring terminals.
  • Page 6 GDS-800 Series Digital Storage Oscilloscope Operation Manual 3) Grounding WARNING • To avoid electrical shock, the power cord protective grounding conductor must be connected to earth ground. 4) Fuse Replacement WARNING • For continued fire protection, replace the fuse with the specified type and rating only. •...
  • Page 7 GDS-800 Series Digital Storage Oscilloscope Operation Manual 6) Operating Environment • The following conditions are recommended for optimum use of the instrument - Indoor Use Altitude < 2000 m Temperature 0° to 50° C Relative Humidity < 80% No direct sunlight No strong magnetic fields Dust Free •...

  • Page 8: General Description And Features

    GDS-800 Series Digital Storage Oscilloscope Operation Manual 2. General Description and Features The GDS-806/810/820/840 is a useful, 2 channel digital storage oscilloscope with following features: Up to 250MHz (60MHz for GDS-806S/C, 100MHz for GDS-810S/C, 150MHz for GDS-820S/C and 250MHz for GDS-840S/C series) repetitive bandwidth and 100MSa/s sample rate per channel (25GSa/s E.T.
  • Page 9 GDS-800 Series Digital Storage Oscilloscope Operation Manual The advance 32-bit microprocessor controlled GDS-800 series Digital Storage Oscilloscope has been designed for a wide multitude of applications in service and industry. For ease of operation the “Autoset” function allows for signal related automatic setup of measuring parameters.

  • Page 10: First Time Operation

    GDS-800 Series Digital Storage Oscilloscope Operation Manual 3. First Time Operation The following text assumes that the “SAFETY” section of this manual has been read carefully and understood. Each time before the instrument is put into operation check that the oscilloscope is connected to protective earth.

  • Page 11: Probe Calibration

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Probe calibration To display an undistorted waveform on an oscilloscope, the probe must be matched to the individual input impedance of each vertical amplifier. For this purpose a square wave signal with a very fast rise time and minimum overshoot should be used, as the sinusoidal contents cover a wide frequency range.
  • Page 12 GDS-800 Series Digital Storage Oscilloscope Operation Manual AUTOSET The “Autoset” function provides a stable, triggered display of any input signal (almost). User can connect a signal to either the channel 1 or channel 2 input BNC connectors and press AUTOSET button. Table 3-1 shows the defaults of “Autoset” function Table 3-1: Defaults of “Autoset”...

  • Page 13: Panel Description

    GDS-800 Series Digital Storage Oscilloscope Operation Manual 4. Panel Description Front Panel...

  • Page 14: Display Area

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Display Area (1): The memory bar (500 point processed by oscilloscope)*. (2): Trigger position (T) indicator (3): Viewable area shows segment of memory bar which been displayed*. Please refer page 40 for details. (4): Run/Stop mode indicator (5): Trigger status (6): Trigger level indicator...

  • Page 15: Vertical Controls

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Vertical controls (1): Channel 1, 2 POSITION knobs. The position control knobs adjust the vertical position of the channel 1 and channel 2 waveforms (2): CH1, CH2 Menu pushbutton. Shows the vertical waveform function and waveform display on/off (3): MATH function pushbutton.

  • Page 16: Trigger Controls

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Trigger controls (1): The power ON/STANDBY pushbutton (2): Selects the trigger type, source and mode (3): Adjust the trigger level Miscellaneous controls (1): Select the acquire modes (2): Control the display modes (3): Select the utility functions (4): Sets the Program mode (5): Select the cursor types (6): VARIABLE knob.

  • Page 17: Rear Panel

    GDS-800 Series Digital Storage Oscilloscope Operation Manual BNC inputs (1): The channel 1 & 2 BNC inputs receive electrical signals for display (2): Ground (3): Connects with a external trigger signal to oscilloscope Rear Panel (1): Main power switch (2): AC power socket (3): GPIB port (option) (4): Fuse drawer (5): “SELF CAL”...

  • Page 18: Operation

    GDS-800 Series Digital Storage Oscilloscope Operation Manual 5. Operation This chapter contains useful information about the operation of this oscilloscope. Vertical Control All vertical operations affect the selected waveform. Press the CH1, CH2, or MATH pushbutton to adjust and select the waveform scale and position. Figure 5-1: The vertical controls panel VOLTS/DIV: The VOLTS/DIV knobs adjust the vertical scale (in a 1-2-5 sequence) of the selected waveforms (channel 1 and channel 2).
  • Page 19 GDS-800 Series Digital Storage Oscilloscope Operation Manual CH1, CH2: The vertical menu contains the following items when channel 1 or channel 2 is the selected. These two pushbuttons are also switching the waveform display of channel 1/channel 2 on or off. If channel one (or channel 2) turned off, the light of CH1 (or CH2) LED button will be off, and vice versa.
  • Page 20 GDS-800 Series Digital Storage Oscilloscope Operation Manual CH1-CH2: Waveform of channel 1 minus waveform of channel 2. The position of CH1+CH2/CH1-CH2 mathematical waveform can be adjusted by rotating the VARIABLE knob. The math position indicator (located on the left side of the LCD graticule) will change the position simultaneously. The information of mathematical division and unit will also display on the math menu bar.
  • Page 21 GDS-800 Series Digital Storage Oscilloscope Operation Manual Position: Adjusts the FFT position on the display area by rotating the VARIABLE knob. The “ ” math position indicator which located on the left side of LCD screen is always pointed to 0 dB approximately, where 0dB is defined as 1Vrms.
  • Page 22 GDS-800 Series Digital Storage Oscilloscope Operation Manual (1): Cursors measure frequency of input waveform. (2): The spectrum of channel one input waveform. (3): Cursors measure magnitude of input waveform. (4): the readouts for both horizontal and vertical cursors. Figure 5-4: Operating the math function (FFT) with cursors measurement...

  • Page 23: Horizontal Control

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Horizontal Control To select the horizontal controls, press the MENU pushbutton to select the features. Figure 5-5: The horizontal controls panel TIME/DIV: The TIME/DIV knob adjusts the horizontal scale (in a 1-2-5 sequence) of the selected waveforms (channel 1 and channel 2).
  • Page 24 GDS-800 Series Digital Storage Oscilloscope Operation Manual Window Zoom: Press F3 softkey to display the zoomed waveform. Figure 5-6: Operating the zoom function Roll: Press the F4 softkey to obtain a rolling display similar to a strip-chart recorder. In the meantime, the system will select the roll mode from “Acquisition Mode”...
  • Page 25 GDS-800 Series Digital Storage Oscilloscope Operation Manual Figure 5-7: Operating the XY display function These 500 points processed by the oscilloscope under run mode are characteristic points of real acquired long memory waveform. Due to the hardware limitation of LCD panel, always 250 points (300 points for side menu off) will be displayed. The way to explore the real acquired waveform on the oscilloscope’s long memory is stopping the scope and change the time base.
  • Page 26 GDS-800 Series Digital Storage Oscilloscope Operation Manual For example, a signal is display on the screen as figure 5-8. Figure 5-8: The stopped waveform The sample rate is 250kS/s and the record length is 2500, according the formula we have There are 10ms of data in the waveform record.
  • Page 27 GDS-800 Series Digital Storage Oscilloscope Operation Manual Figure 5-10: Decreasing “delay trigger indicator” shifts the waveform to the right The sum of left-most “delay trigger indicator” and right-most “delay trigger indicator” is equal to 10ms (5ms+5ms). Therefore, the above formula is approved. The maximum “exploring”...
  • Page 28 GDS-800 Series Digital Storage Oscilloscope Operation Manual For example, the sample rate of figure 5-8 is 250kSa/s. The 250kSa/s on memory length 500 is 100μs/s according to Table 5-2. Therefore, the maximum expand time/div will be “500ns/s”. Figure 5-11: The maximum “zooming in” factor for 250kSa/s sample rate is 500ns/s The viewable area is also adjusted properly for the varying of “exploring”...

  • Page 29: Trigger Control

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Trigger Control When the instrument starts acquiring and display a waveform, “trigger” help create meaningful waveforms from unstable jumbles or blank screen. To access the triggering controls, press trigger MENU key, the trigger menu will provide the Type, SOURCE, MODE, or SLOPE/COUPLING soft key to select the features.
  • Page 30 GDS-800 Series Digital Storage Oscilloscope Operation Manual Auto: In this mode, the oscilloscope will generate an internal trigger in the absence of other trigger events. Also, select Auto trigger mode when you want an un-triggered, rolling waveform at 250ms/div or slower timebase settings. This mode is able to continuously observe low speed phenomena in real time down to a speed of 10s/div.
  • Page 31 GDS-800 Series Digital Storage Oscilloscope Operation Manual AUTO: The oscilloscope is in auto mode and trigger conditions are not met. Figure 5-14: The oscilloscope is in auto mode and trigger conditions are not met SLOPE/COUPLING: Change trigger slope and select trigger coupling by pressing F5 softkey.
  • Page 32 GDS-800 Series Digital Storage Oscilloscope Operation Manual : Switch off frequency reject mode. Noise Rej On/Off: Press F4 softkey to enable noise reject mode. Noise reject mode provides lower DC sensitivity. It requires additional signal amplitude for stable triggering, reducing the change of falsely triggering on noise. Previous Menu: Back to previous menu.
  • Page 33 GDS-800 Series Digital Storage Oscilloscope Operation Manual Field 2: Press F5 softkey to trigger on field 2 of the video signal. Rotate the VARIABLE knob to display the specific line (The adjustable line range for NSTC: 1~262; for PAL/SECAM: 1~312) Line: Press F5 softkey to trigger on all lines of the video signal Figure 5-15: Vide trigger mode...
  • Page 34 GDS-800 Series Digital Storage Oscilloscope Operation Manual Pulse Width Triggering Type PULSE: The pulse width triggering can provide the scope to trigger on a negative or positive pulse of a specified width. The range of pulse width can be adjusted form 20ns until 10 second. The relations for pulse width, pre scale and pulse width count are shown on Table 5-1.
  • Page 35 GDS-800 Series Digital Storage Oscilloscope Operation Manual Slope : Select positive or negative polarity for the pulse width triggering. (1): When positive polarity selected, the trigger will take place on the high to low transition of the pulse if the compare condition is match. See figure 5-10. (2): When negative polarity selected, the trigger will take place on the low to high transition of the pulse if the compare condition is match.
  • Page 36 GDS-800 Series Digital Storage Oscilloscope Operation Manual Coupling DC/AC: Press the F2 softkey to select DC coupling or AC coupling. Rejection LF/HF/Off: Press F3 softkey to switch off the frequency reject mode. Previous Menu: Back to previous menu. Advance Triggering Type Delay: The advance delay trigger system includes a start trigger signal and a 2nd trigger source (main trigger).
  • Page 37 GDS-800 Series Digital Storage Oscilloscope Operation Manual If start trigger signal is selected, the DELAY time can be set by the VARIABLE knob. If the main trigger is selected, presses the F4 softkey to select the start trigger signal level from the following three levels. TTL: This is the mode for the TTL signal measurement and start trigger signal are set to +1.4V.
  • Page 38 GDS-800 Series Digital Storage Oscilloscope Operation Manual If start trigger signal is selected, the number of events can be selected by the VARIABLE knob. If the main trigger is selected, press the F4 softkey and to select the start trigger signal level from the following three levels.

  • Page 39: Miscellaneous Controls

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Miscellaneous Controls To select the miscellaneous controls, press these pushbuttons to select specific features (see Figure 5-12). Figure 5-20: Miscellaneous controls ACQUIRE: Press ACQUIRE pushbutton to select the different acquire mode: Sample, Peak-Detect, and Average. Acquisition is the process of sampling the analog input signal and converting it into digital format afterward, assembling it into a waveform record finally.
  • Page 40 GDS-800 Series Digital Storage Oscilloscope Operation Manual Average mode reduces displayed signal noise significantly. As the number of averages increases from 2 to 256, the display becomes less responsive to changes in the input signal. Using more averages reduces the effects of displayed signal noise and improves resolution.
  • Page 41 GDS-800 Series Digital Storage Oscilloscope Operation Manual Figure 5-21: The relationship between “memory bar”, “memory length”, and “viewable area (menu on)”...
  • Page 42 GDS-800 Series Digital Storage Oscilloscope Operation Manual Figure 5-22: The relationship between “memory bar”, “memory length”, and “view- able area (menu off)”.
  • Page 43 GDS-800 Series Digital Storage Oscilloscope Operation Manual Memory length 1250 2500 5000 12500 25000 50000 125000 Timebase 1ns/div ET25Gsa/s 2.5ns/div ET10Gsa/s 5ns/div ET5Gsa/s 10ns/div ET2.5Gsa/s 25ns/div ET1Gsa/s 50ns/div ET500Msa/s 100ns/div ET250Msa/s 250ns/div 100MSa/s 500ns/div 50MSa/s 100MSa/s 1µs/div 25MSa/s 50MSa/s 100MSa/s 2.5µs/div 10MSa/s 25MSa/s 50MSa/s...
  • Page 44 GDS-800 Series Digital Storage Oscilloscope Operation Manual DISPLAY: Press the DISPLAY pushbutton to change the appearance of the display and select how waveforms are presented. Note: Always 250 points plotted to screen on each acquisition. Type Vector/Dot: Type Vector: Press the F1 softkey to select vector display style. The instrument draws a vector between each pair of waveform points.
  • Page 45 GDS-800 Series Digital Storage Oscilloscope Operation Manual UTILITY: The utility menu provides abundant sub menus: Printer menu, Interface menu, (Beep), Language, self-cal menu, System Inform, Go-No Go menu, and No Go When. Printer Menu: printer connected properly configured, GDS-820/GDS-840 series can print a hard copy of the LCD display. Press F1 softkey again to select printer.
  • Page 46 GDS-800 Series Digital Storage Oscilloscope Operation Manual Parity: Press the adjacent pushbutton to select “Odd”, “Even”, or “None”. Previous Menu: back to previous menu. Note: The “Data Bit” is always 8-bit. For USB Type USB: Select USB port. Note: In order to display the real-time waveform on personal computer, please download the “FreeView”...
  • Page 47 GDS-800 Series Digital Storage Oscilloscope Operation Manual Self Cal Menu: Please refer to service menu for the details. System Inform: The company name, model name, and firmware version will be shown on the LCD screen. Go- No Go Menu: The Go- No Go judgment function can be used to judge if the acquired signal is matched with the pre-save patterns.
  • Page 48 GDS-800 Series Digital Storage Oscilloscope Operation Manual Template Min: The minimum template is always selected from the Reference B of “Save/Recall” function or from the one hundred sets of custom-made waveforms. Note: The maximum and minimum templates can not select the same custom-made waveform source.
  • Page 49 GDS-800 Series Digital Storage Oscilloscope Operation Manual Previous Menu: back to previous menu. For Template Auto Template Auto: The two “Go-No Go” templates are generated automatically from the subject signal. (1): According to the subject signal, the two templates (RefA and RefB) are created by “Template Auto”...
  • Page 50 GDS-800 Series Digital Storage Oscilloscope Operation Manual Source: select channel 1 or channel 2 as subject signal input. Violating Stop/ /Continue/ : Select the process after subject is violating the compared templates. Violating Stop: If subject signal is judged to be “No Good”, the “Go-No Go”...
  • Page 51 GDS-800 Series Digital Storage Oscilloscope Operation Manual No Go When : Select the judgment condition of violation for “Go-No Go” function. No Go When : If the subject signal is not violating the templates, the system will judge such condition as “No Go” situation by selecting this function.
  • Page 52 GDS-800 Series Digital Storage Oscilloscope Operation Manual PROGRAM: The advance “Program mode” function is able to let oscilloscope to remember certain steps and replay all the saved steps. There are two main operating classes for “Program mode”: Edit and Play. Users can edit preferred operating steps and replay all of the saved steps afterward.
  • Page 53 GDS-800 Series Digital Storage Oscilloscope Operation Manual Item Time: Select the time of stop. The selectable range: 1~99 seconds. Or wait users to press Run/Stop pushbutton and stop the present replaying step. Save: Press F5 softkey to save current steps of Program mode. Steps Replaying: Play: Settings for replaying of saved steps.
  • Page 54 GDS-800 Series Digital Storage Oscilloscope Operation Manual Figure 5-25 shows a program which replay form step one to step six and run ten times repetitiously. The first step is the settings which recalled form the memory one (M1), the “Auto Measurement”...
  • Page 55 GDS-800 Series Digital Storage Oscilloscope Operation Manual 2. Save all settings of channel one to memory location one (M 01). (a). Press SAVE/RECALL button and F3 softkey to select memory location; select memory location one (M 01) by rotating the VARIABLE knob. (b). Press F4 softkey to save the channel one settings.
  • Page 56 GDS-800 Series Digital Storage Oscilloscope Operation Manual 4. Save all settings of channel two to memory location two (M 02). (a). Press SAVE/RECALL button and F3 softkey to select memory location; select memory location one (M 02) by rotating the VARIABLE knob; (b). Press F4 softkey to save the channel two settings afterward.
  • Page 57 GDS-800 Series Digital Storage Oscilloscope Operation Manual 6. (a). Press F2 softkey and rotate the VARIABLE knob to select “step 1”; (b).Press F3 softkey to select “Item Memory” and rotate the VARIABLE knob to select memory location one (M1) ; (c). Press F3 softkey again to select “Item Menu” and rotate the VARIABLE knob to select AutoMeasure menu;...
  • Page 58 GDS-800 Series Digital Storage Oscilloscope Operation Manual 8. The steps of program condition are completed now. And we need (a). Press F5 softkey to save all steps on system. (b). Press F1 softkey to “Program Play” menu; (c.) Press F2 softkey to select running cycle for program and rotate the VARIABLE knob to select the operation repeated cycle.
  • Page 59 GDS-800 Series Digital Storage Oscilloscope Operation Manual Figure 5-35: step two is continual running for 10 seconds on program mod Figure 5-35: the Entire program running is finished 10. If want to quit during program running, just press AUTO TEST/STOP button in order to quit the program mode.
  • Page 60 GDS-800 Series Digital Storage Oscilloscope Operation Manual CURSOR: Select the different cursor measurement. Vertical cursors measure time; horizontal cursors measure voltage. For both vertical and horizontal cursors, the cursor readout T1 and T2 (V1 and V2) show the selected cursor relative to the center horizontal (or vertical) LCD graticule;...
  • Page 61 GDS-800 Series Digital Storage Oscilloscope Operation Manual Vertical : Press F3 softkey to switch two horizontal cursor modes: independent and tracking. Vertical : Only V1 cursor is available for adjusting. Vertical : Only V2 cursor is available for adjusting.. Vertical : Both V1 and V2 cursor in tracking mode.
  • Page 62 GDS-800 Series Digital Storage Oscilloscope Operation Manual MEASURE: This oscilloscope provides various automatic measurements. Automatic measurements are taken over the entire waveform record, or the area specified by cursors. Select the different measurement by pressing F1 to F5 softkey. Maximum 10 measurements can be displayed simultaneously (if both Channel 1 and Channel 2 are connected with signal).
  • Page 63 GDS-800 Series Digital Storage Oscilloscope Operation Manual Risetime: Timing measurement taken for leading edge of the first pulse in the waveform. Falltime: Timing measurement taken for falling edge of the first pulse in the waveform. +Width: Measurement of the first positive pulse in the waveform or specified area.
  • Page 64 GDS-800 Series Digital Storage Oscilloscope Operation Manual SAVE/RECALL: User can save any waveform in one of two internal memories of the oscilloscope. These waveforms will be kept even the instrument turned off. The two saved waveforms also can be applied as the judgment pattern for “Go-No Go” function.
  • Page 65 GDS-800 Series Digital Storage Oscilloscope Operation Manual Save: After Trace RefA/RefB selected, press F4 softkey to save the waveform at present. Waveform position and scale factors are saved with each waveform. Trace On/Off: Disable the LCD display of reference 1 or reference 2 saved waveform.
  • Page 66 GDS-800 Series Digital Storage Oscilloscope Operation Manual HELP: Display on-line help document on the waveform display area. Press HELP pushbutton to enter the help function. The help function covers all the features of the oscilloscope. User can press any key to display the related help text on the screen and then rotate the VARIABLE knob to scroll all the contents.
  • Page 67 GDS-800 Series Digital Storage Oscilloscope Operation Manual ERASE: Press the pushbutton to erase all waveform data from the graticule area, clears waveform of roll mode and accumulate mode. If the oscilloscope is stopped, the display remains empty of waveform data until the trigger circuit is rearmed and oscilloscope is triggered.

  • Page 68: Block Diagram

    GDS-800 Series Digital Storage Oscilloscope Operation Manual 6. Block Diagram...

  • Page 69: Rs-232 Configuration

    GDS-800 Series Digital Storage Oscilloscope Operation Manual 7. RS-232 Configuration This oscilloscope contains a DB 9-pin, male RS-232 connector for serial communication with a computer or terminal. The RS-232 interface of this oscilloscope is configured as an RS-232 “Data Terminal Equipment”, so that data is sent from pin 3 and received on pin 2.
  • Page 70 GDS-800 Series Digital Storage Oscilloscope Operation Manual When the oscilloscope is set up with a RS232 interface, please check the following points: Do not connect the output line of one DTE device to the output line of the other. Many devices require a constant high signal on one or more input pins. Ensure that the signal ground of the equipment is connected to the signal ground of the external device.
  • Page 71 GDS-800 Series Digital Storage Oscilloscope Operation Manual The RS232 connection testing If you want to test whether the RS232 connection is working or not, you can send a command from computer. For instance, using a terminal program send the query command *idn? should return the Manufacturer, model number, serial number and firmware version...

  • Page 72: Specifications

    GDS-800 Series Digital Storage Oscilloscope Operation Manual 8. Specifications Performance Condition: The electrical specifications found in these tables of warranted specifications apply when the oscilloscope has been adjusted at an ℃ ℃ ambient temperature between +20 and +30 , a warm -up period at least 30 minutes are necessary.
  • Page 73 GDS-800 Series Digital Storage Oscilloscope Operation Manual Polarity Normal & Invert Maximum Voltage Between Signal and 300V (DC＋AC peak), Common at input BNC Installation Category II Waveform Signal Process CH1－CH2、CH1＋CH2、FFT Offset Range: 2mV/div ~ 50mV/div ±0.5V 100mV/div ~ 500mV/div ±5V 1V/div ~ 5V/div ±50V Bandwidth Limit...

  • Page 74: External Trigger

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Sensitivity DC ~ 25MHz Approx. 0.5div or 5mV 25MHz ~ 60MHz Approx. 1.5div or 15mV for GDS-806S/C 25MHz ~ 100MHz Approx. 1.5div or 15mV for GDS-810S/C 25MHz ~ 150MHz Approx. 1.5div or 15mV for GDS-820S/C and GDS-840S/C 150MHz ~ 250MHz Approx.
  • Page 75 GDS-800 Series Digital Storage Oscilloscope Operation Manual Horizontal： Range 1ns/div ~ 10s/div (1-2-5 increments) Modes Main, Window, Window Zoom, Roll, Accuracy 0.01﹪ Delay Range Pre-trigger 20 div maximum Post-trigger 1000 div X-Y mode： X-Axis Input Channel 1 (CH1) Y-Axis Input Channel 2 (CH2) Phase shift ±3 at 100kHz...
  • Page 76 GDS-800 Series Digital Storage Oscilloscope Operation Manual Signal Acquisition System： Real-time Sample Rate 100MSa/s maximum on each channel Equivalent Sample Rate 25GSa/s E.T. maximum on each channel Vertical Resolution 8 Bits Record Length / Channel 125k Points Single Shot Record Length 125k Points Single Shot Bandwidth 10MHz...

  • Page 77: Display System

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Trigger Frequency Counter Readout Resolution 6 digits Frequency Range 20Hz minimum to rated bandwidth Accuracy ±2% Signal Source All available trigger source except the Video trigger mode Control Panel Functions： Autoset “Autoset” adjust Vertical VOLT/DIV, Horizontal SEC/DIV, and Trigger level automatically.

  • Page 78: Power Source

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Power Source： Line Voltage Range 100V ~ 240V AC, auto selection Line Frequency 47Hz ~ 63Hz Power Consumption 45 Watts, 65VA maximum, with Fan Fuse Rating 2 Ampere Slow, 250V, Interface： Only for GDS-806S/C and GDS-810S/C with interface option, GDS-820S/C, and GDS-840S/C Centronics port...
  • Page 79 GDS-800 Series Digital Storage Oscilloscope Operation Manual Miscellaneous： Probe Compensation Output ±3% Adjustable Probe Compensation Signal Only for GDS-806S/C and GDS-810S/C Frequency Range 1KHz ~ 100KHz adjustable; 1kHz step Duty Cycle 5% ~ 95% adjustable; 5% step Probe 2 sets Overall Dimensions 310(W) ×142(H) ×254(D) mm Weight...
  • Page 80 GDS-800 Series Digital Storage Oscilloscope Operation Manual GTP-060A-2, GTP-100A-2, 150A-2 & GTP-250A-2 Probe： Position ×10 Attenuation Ratio 10:1 Bandwidth DC to 60MHz for GDS-806S/C DC to 100MHz for GDS-810S/C DC to 150MHz for GDS-820S/C DC to 250MHz for GDS-840S/C Rise Time 5.8ns for GDS-806S/C;...
  • Page 81 GDS-800 Series Digital Storage Oscilloscope Operation Manual Position ×1 Attenuation Ratio Bandwidth DC to 6MHz Rise Time 58ns Input Resistance 1MΩ (oscilloscope input resistance) Input Capacitance 47pF plus oscilloscope capacitance Compensation Range 10 to 35pF Maximum Input Voltage 300V CAT I, 150V CAT II (DC + peak AC ) Derating with frequency.

  • Page 82: Ec Declaration Of Conformity

    GDS-800 Series Digital Storage Oscilloscope Operation Manual Declaration of Conformity GOOD WILL INSTRUMENT CO., LTD. No. 95-11, Pao-Chung Rd., Hsin-Tien City, Taipei Hsien, Taiwan GOOD WILL INSTRUMENT (SUZHOU) CO., LTD. No.69 Lushan Road, Suzhou New District Jiangsu, China. declares that the below mentioned product GDS-800 series digital storage oscilloscope are herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States...

This manual is also suitable for:

Gds-806Gds-810Gds-820Gds-840Gds-820c

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