GW Instek GOS-620FG Manual Download

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Summary of Contents for GOS-620FG

Page 1: ...ess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respecti...

Page 2: ...20MHz Dual Trace Oscilloscope with Function Generator MODEL GOS 620FG Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ... 3 1 Unpacking the instrument 3 2 Checking the Line Voltage 3 3 Environment 3 4 Equipment Installation and Operation 3 5 CRT Intensity 3 6 Withstanding Voltage of Input Terminals 4 PANEL INTRODUCTION 4 1 Front Panel 4 2 Rear Panel Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 4: ...5 S TIM EIDIV Control 23 5 6 Sweep Magnification 23 5 7 X Y Operation 24 5 8 Calibration 25 5 9 DC BAL Adjustment 25 5 IO Function Generator 25 MAINTENANCE 26 6 1 Fuse Replacement 26 6 2 Line Voltage 26 6 3 Cleaning 27 BLOCK DIAGRAM 28 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 5: ...e CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property The following symbols may appear in this manual or on the product DANGER ATTENTION Protective Frame or chassis High Voltage refer to Manual Conductor Terminal Terminal Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 6: ...red Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment andlor user instructions for details As a guide cable of 0 75mmz should be...

Page 7: ...lating to Electromagnetic Compatibility 89 336 EEC 92 3 l E C 93168 EEC and Low Voltage Equipment irective 73 231E C For the evaluation regarding the Electromagnetic Compatibility and Low Voltage Equipment Directive the following standards were applied EN50081 2 Electromagneticcompatibility 1993 Genericemission standard I Low Voltage Equipment Directive 73 23 EEC I Part 2 industrial Environment Co...

Page 8: ... CRT with high acceleration voltage The CRT is a high beam transmission and high intensity type with a high acceleration voltage of 2kV It displays readable traces clearly even at high sweep speeds 2 Wide bandwidth and sensitivity In addition to wide bandwidth DC 20MHz 3dB the instrument provides high sensitivity of 5mVIDIV ImVIDIV at X 5 MAG A 20MHz frequency is obtained with improved triggering ...

Page 9: ...operate the instrument as an X Y oscilloscope CHI can be applied as a horizontal deflection X axis while CH2 provides vertical deflection Y axis 8 Built in Function Generator with BNC output of 50 2 9 Three kinds of waveforms are available with 50R output 10 Waveform frequency is up to IMHz Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 10: ...ter is moved vertically CHI CHI single channel CH2 CH2 single channel Vertical modes DUAL CHI and CH2 are displayed ALT or CHOP selectable at any sweep rate ADD CHI CH2 algebraic addition Approx 2jOkHHz Frequency Input Coupling AC GND DC 300Vpeak AC frequency IkHz or lower Maximum Input Voltage Set probe switch at 1 1 the maximum effective readout is 4Wpp 14Vrms at Sine wave set probe switch at 10...

Page 11: ...sion signal TV H This setting is used when observing the entire horizontal picture of television signal Both TV V and TV H synchronize only when the synchronizing signal is negative EXT Triggering Signal Input Input Impedance Approx 1M ohm I approx 25Pf Max Input Voltage 300V DC AC peak AC Frequency not higher than IkHz Sweep Time 0 2 Sec 0 5 Sec DIV 20 steps in 1 2 5 sequence Sweep Time Accuracy ...

Page 12: ... Approx 47KR 30V DC AC peak AC frequency51 kHz Positive going Square wave Approx 1 kHz Within 48 52 2 Vp p i 2 Output Impedance Type Phosphor Acceleration Voltage Effective Screen Size Graticule Trace Rotation Square wave Unsymmetry t3 or less n I kHz maximum Souare wave RiselFall Time 150R outuut 1 2 0 n or less Approx I k R 6 inch rectangular type internal graticule P 31 Approx 2kV 8 x 10 DIV I ...

Page 13: ...6OHz 4pprox 45VA 40W max Indoor use Altitude up to 2000 m Ambient temperature To satisfy specifications 10 to 35 C 50 to 95 F Maximum operating ranges 0 to 40 C 32 to 104 F Relative humidity 85 RH max non condensing Installation Category I1 Pollution degree 2 10 to 70 C 70 RH maximum ower cord X l nstruction manual X l robes X 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SO...

Page 14: ...e connecting the power plug to an AC line outlet make sure the voltage selector of the rear panel is set to the correct position corresponding to the line voltage It might be damaged the instrument if connected to the wrong AC line voltage A WARNING To avoid electrical shock the power cord protective grounding conductor must be connected to ground The fuse must be changed following after the line ...

Page 15: ...RE THE POWER IS REMOVED FROM IHE INSTRUMENT BEFORE REPMCING THE FUSE POWER MAX 40 WAIlS 45VA IEClDlO 25W CAT I1 I I Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 16: ...wing Vertical Axis 8 CH1 X input The vertical input terminal of CH1 is X axis in X Y operation 20 CH 2 Y input The vertical input terminal of CH2 is Y axis in X Y operation 10 I 8 AC GND DC Select connection mode between input signal and vertical amplifier AC AC coupling GND Vertical amplifier input is grounded and input terminals are disconnected DC DC coupling 7 22 VOLTSlDIV Select the vertical ...

Page 17: ...ope displays the algebraic sum CHI CH2 or subtraction CHI CH2 of the two signals the subtraction function effects only when push in CH2 INV 16 button 12 ALTICHOP When this switch is released in the dual trace mode the CHI and CH2 inputs are alternately displayed normally used at faster sweep speeds When this switch is depressed in the dual trace mode the CHI and CH2 inputs are chopped and displaye...

Page 18: ...rt point for the waveform Toward The trigger level moves upward on the display waveform Toward The trigger level moves downward on the display waveform 25 TRIGGER MODE Trigger mode selection AUTO If no trigger signal applied or the trigger signal frequency is less than 25Hz the sweep will be in the free run mode NORM If no trigger signal applied and sweep is in a stand by state there will be no tr...

Page 19: ...ace or spot in horizontal position 31 X 10 MAG Magnify 10by pressing this key Function Generator 39 GENERATOR OUTPUT The main output terminal with 50R output impedance 40 WAVEFORM SELECTOR The waveform change following after each button pushing in Sine wave Triangle wave and Square wave sequence 41 OUTPUT WAVEFORM DISPLAY Display the current output waveform 42 FREQ RANGE Switch The frequency range...

Page 20: ... the rotation of knob to get negative DC Level Others 1 CAL This terminal delivers the calibration voltage of 2 Vp p IkHz positive square wave 15 GND Ground terminal of oscilloscope mainframe 4 2 Rear Panel Triggering 24 EXT TRlG IN Input Terminal lnput Terminal is used for external triggering signal by setting SOURCE switch 23 to the EXT position 34 Z AXIS INPUT Input terminal for external intens...

Page 21: ...tor Fuse rating is shown in Page 7 Line voltage selector to select power sources 38 Studs Studs is not only used as a stand for laying the oscilloscope on its back to operate it in the upward posture also used for winding up the power cord Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 22: ...hown below Setting Disengage position 0FF Mid position Mid position CH1 Released ALT Released Mid position 0 5V DIV CAL c1ockwise position GND CHI Item POWER INTEN FOCUS VERT MODE ALTICHOP CH 2 INV A POSITION VOLTS DIV VARIABLE AC GND DC SOURCE Item I No SLOPE k26 No 6 2 3 14 12 16 11 19 7 22 9 21 10 18 23 Setting Released AUTO O SmSec DIV CAL position Mid position Released TRIG ALT TRIGGER MODE T...

Page 23: ...probe to the CHI INPUT terminal and apply 2Vp p CALIBRATOR signal to the probe tip 5 Set the AC GND DC switch to AC a waveform will be displayed on the CRT 0 screen as shown in the figure 5 1 FIG 5 1 6 Adjust the FOCUS control knob to trace image sharply 7 Display the signal waveform clearly by adjusting the VOLTSIDIV switch and TIMEIDIV switch to appropriate position 8 Adjust the POSITION and POS...

Page 24: ... which applied respectively to CHland CH2 appears on the screen alternately at each sweep This setting is used when the sweep time is short in 2 channel observation When ALTICHOP switch is pressed CHOP MODE the input signals which applied to CH land CH2 are chopped and display on the screen at the same time with the frequency of 250kHz This setting is used for low speed sweep Set to dual channel o...

Page 25: ...bservation until properly set to other mode Once starting to set the control mode the operation often jumps back to the NORM trigger mode as it is much more sensitive Automatic sweep must be used for DC measurements and signals with low amplitude in order not to trigger the sweep The NORM mode provides normal triggering sweep operation The sweep will not act until the selected trigger source signa...

Page 26: ...l applied to the vertical input terminal is branched off away from the preamplifier and is fed to the trigger circuit through the VERT MODE switch Since the trigger signal is the measured signal itself a stable waveform can be readily displayed on the CRT screen When in the DUAL or ADD operation the selected signal through the SOURCE switch is used as a trigger source signal LINE The AC power line...

Page 27: ...G SLOPE button to the position down a sweep triggering is developed fiom the trigger source waveform as it crosses the threshold level in a negative going direction The slope polarity trigger signal as shown in Figure 5 4 Fig 5 4 4 Function of TRIG ALT button The TRIG ALT button is used to select alternate triggering and display the selected DUAL trace of VERT MODE the switch control knob CHI CH2 ...

Page 28: ...eeded to be FIG 5 5 expanded timewise a faster sweep speed may be used However if the required portion is apart from the starting point of the sweep it may run off the CRT screen In this case push the xlOMAG button to expand 10 times the displayed waveform from the right to the left in the center of screen The sweep time with the magnification operation is as follows Value indicated by TIMEIDIV sw...

Page 29: ...es such as a vectorscope display of video color bar patterns However the X Y mode can almost be used in graph of any dynamic characteristic if a transducer is adopted to change the characteristic frequency temperature velocity etc of voltage One common application is frequency response measurements that the Y axis corresponds to signal amplitude and the X axis corresponds to frequency 1 Set the TI...

Page 30: ...ation c Insufficient compensation 5 9 DC BAL Adjustments The ATT balance of the vertical axis can be adjusted easily 1 Set the input coupling switches of CHI and CH2 to GND and set the TRIG MODE to AUTO then position the base line to the center 2 Adjust the VLOTSmIV switch to 5mV 1OrnV and fix the line does not move 5 1O Function Generator The instrument also provides the basic features of Functio...

Page 31: ...specified type and rating and disconnect power cord before replacing fuse 6 2 Line Voltage Conversion The primary winding of the power transformer is tapped to permit operation from 115V or 230VAC 50160Hz line voltage Conversion from one line voltage to another is done by changing the line voltage selector switch as shown in Fig 4 2 The rear panel identifies the line voltage to which the unit was ...

Page 32: ...r directly onto the unit because it may leak into the cabinet and cause damage Do not use chemicals containing benzine benzene toluene xylene acetone or similar solvents Do not use abrasive cleaners on any portion of the oscilloscope Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 33: ...WEEP HORUCUTAL HORUOMAL INP ITANP GENERATOR GENERATOR M C H I f f i OUTPUT AMP CH2 1 FREE R W AC LINE EXT A m 0 S I W L LET P O W E R SWBO V z SUPPLY C1RCUi l SOWRE WAVE CALIBRATOR Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 34: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 35: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 36: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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