Related Manuals for Test Equipment Depot GOS-620
Summary of Contents for Test Equipment Depot GOS-620
- Page 1 20MHz Dual Trace Oscilloscope Model: GOS-620 i Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX...
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Page 2: Table Of Contents
5-3.ADD Operation…………………………………………………………………………………………….. 5-4.Triggering…………………………………………………………………………………………………… 5-5.TIME/DIV ontrol…………………………………………………………………………………………... 5-6.Sweep Magnification……………………………………………………………………………………….. 5-7.X-Y Operation……………………………………………………………………………………………… 5-8.Calibration………………………………………………………………………………………………….. 5-9.DC BAL Adjustment………………………………………………………………………………………. 5-10.Function Generator……………………………………………………………………………………….. MAINTENANCE……………………………………………………………………………......6-1.Fuse Replacement………………………………………………………………………………………….. 6-2.Line Voltage………………………………………………………………………………………………… 6-3.Cleaning……………………………………………………………………………………………………... BLOCK DIAGRAM………………………………………………………………………......... 23 ii Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX... - Page 3 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 iii Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX...
- Page 4 & fuse carrier and disposed of immediately, as a plug with bared wires is hazardous if a engaged in live socket. Any re-wiring must be carried out in accordance with the information detailed on this label. iv Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com...
- Page 5 (2) Plot 522, Lorong Perusahaan Baru 3, Prai Industrial Estate, 13600 Prai, Penang, Malaysia declare under sole responsibility that the GOS-620 meets the intent of Directive 89/336/EEC ; 92/31/EEC ; 93/68/EEC for Electromagnetic Compatibility . Compliance was demonstrated to the...
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Page 6: Product Introduction
1. PRODUCT INTRODUCTION 1.1 Description The GOS-620 oscilloscope is a portable-type, dual-channel oscilloscope, its bandwidth of DC is up to 20MHz, and its maximum sensitivity is 1mV/DIV. The time base provides a maximum sweep time of 0.2uS/DIV. The sweep speed becomes 100nS/DIV after magnifying 10 times. -
Page 7: 1-2.Feature
2.TECHNICAL SPECIFICATIONS MODEL GOS-620 20MHz OSCILLOSCOPE SPECIFICATIONS 1.OSCILLOSCOPE Sensitivity 5mV 〜 5V/DIV, 10 steps in 1-2-5 sequence. ≤3% ( × 5 MAG : ≤5%). Sensitivity Accuracy Vernier Vertical sensitivity To 1/2.5 or less of panel-indicated value. DC〜20MHz ( × 5MAG: DC〜7MHz). -
Page 8: Tecnical Specification
GOS-620 20MHz OSCILLOSOPE MODELSPECIFICATIONS CH1, CH2, LINE, EXT (CH1 and CH2 can be selected only in the DUAL or ADD vertical mode). Triggering source In ALT mode, if the TRIG. ALT switch is pushed in, it can alternate triggering of two different source. - Page 9 MODEL GOS-620 20MHz OSCILLOSCOPE SPECIFICATION Frequency Bandwidth DC 〜 2MHz. Input resistance Z AXIS Approx. 47KΩ . Maximum Input Voltage 30V (DC+AC peak, AC frequency≤1kHz). Waveform Positive-going Square wave. Frequency Approx. 1 kHz. CALIBRATION Duty Ratio Within 48:52. VOLTAGE Output Voltage 2 Vp-p ±2%.
- Page 10 310 (W) x 150 (H) x 455 (D) mm. Dimensions Weight Approx.8k+gs (17.6lbs). 5 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX...
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Page 11: Precautions Before Operation
AC 115V 97~132V 250V T 0.315A AC 230V 195~250V 250V WARNING. To avoid personal injury, disconnect the power cord bef re removing the fuse holder. 6 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX... -
Page 12: 3-3.Environment
If an AC voltage which is superimposed on a DC voltage is applied, the maximum peak value of CH1and CH2 input voltages must not exceed ±300V, so is the AC voltages with a mean value of zero voltage, the maximum peak to peak value is 600Vp-p. 7 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com... -
Page 13: Panel Introduction
CH2 INV PULLx5MAG PULLx5MAG DUAL 25pF 25pF INTEN FOCUS TRACE POWER ROTATION 2Vp-p MAX. 300Vpk MAX. 300Vpk 1 KHz 18 19 20 21 22 8 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX... - Page 14 LINE VOLTAGE RANGE FUSE SELECTION (50/60Hz) T 0.63A 97~132V 115V 250V T 0.315A 195~250V 230V 250V POWER MAX. 40 WATTS, 45VA IEC1010 250V CAT 9 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX...
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Page 15: 4-1.Front Panel
Vertical amplifier input is grounded and input terminals are disconnected. coupling (7) & (22) VOLTS/DIV Select the vertical axis sensitivity from 5mV/DIV to 5V/DIV with 10 ranges totally. 10 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431... - Page 16 Press key DUAL or ADD of VERT MODE (14), select CH1 to get internal triggering source signal. Press key DUAL or ADD of VERT MODE (14), select CH2 to get internal triggering source signal. 11 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com...
- Page 17 (29)TIME/DIV Provide sweep time ranges from 0.2 us/div to 0.5 s/div with 20 steps totally. Use the instrument as an X-Y oscilloscope by setting to X-Y position. 12 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com...
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Page 18: 4-2.Rear Panel
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. 13 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com... -
Page 19: Operation Method
CH 2 INV (16) Released (32) Mid-position 56POSITION (11)(19) Mid-position x10 MAG (31) Released VOLTS/DIV (7)(22) 0.5V/DIV VARIABLE (9)(21) CAL(clockwise position) AC-GND-DC (10)(18) GND SOURCE (23) 14 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX... - Page 20 The descriptions above are the basic operating procedures for CH1 single-channel operation of oscilloscope. So is CH2 single-channel operation. For further operation methods will be explained in the subsequent paragraph. 15 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com...
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Page 21: 5-2.Dual-Channel Operation
If both CH1 and CH2 signals are in a synchronized relation, both waveforms will be displayed in stationary states. If not, only a signal stationary waveform will be appeared. If press TRIG. ALT push button, both waveforms can also be displayed in stationary states. 16 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com... -
Page 22: 5-3.Add Operation
Select vertical sync pulses as a triggering to view vertical fields and frames of video. A sweep time of 2 ms/div is appropriate for viewing fields of video and 5 ms/div for complete frames (two interlaced fields) of video. 17 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com... - Page 23 Because the measured signal is not used as the triggering signal, the waveforms can be displayed more independent than the measured signal. 18 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com...
- Page 24 If press both CHOP and TRIG ALT buttons during dual-trace operation, synchronization of the display is not possible because the chopping signal will be triggered. Use ALT mode itself, or select CH1 or CH2 as trigger source. 19 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com...
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Page 25: 5-5.Time/Div Ontrol
(Value indicated by TIME/DIV switch) x 1/10 Thus, the unmagnified maximum sweep speed (1nSec/DIV) can be increased with the magnification as follows： 1 µSec/DIV x 1/10 = 100nSec/DIV 20 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431... -
Page 26: 5-7.X-Y Operation
3. Adjust the amount of vertical (Y-axis) deflection by using CH2 VOLTS/DIV and VAR control knobs. 4. Adjust the amount of horizontal (X-axis) deflection by using CH1 VOLTS/DIV and VAR control knobs. 21 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com... -
Page 27: 5-8.Calibration
DC level and etc. All the control knobs located in front panel are marked with the same color to prevent missetting. 22 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com... -
Page 28: Maintenance
Do not use chemicals containing benzine, benzene, toluene, xylene, acetone, or similar solvents. Do not use abrasive cleaners on any portion of the oscilloscope. 23 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com... -
Page 29: Block Diagram
7.BLOCK DIAGRAM 24 Test Equipment Depot 99 Washington Street Melrose, MA 02176-6024 www.testequipmentdepot.com 800-517-8431 781-665-0780 FAX...