Good Will Instrument instek GOS-6200 User manual

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200MHz Readout Oscilloscope
GOS-6200
User Manual
Good Will Instrument Co., Ltd.
G W Part No. 820s-62HOOMB
Printed
in Taiwan September 200
1
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All Rights Reserved
This manual contains proprietary information, which is protected by
copyrights. 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.
Good Will Instrument Co., Ltd
No.
95- 1 1, Pao-Chung Road, Hsin-Tien City, Taipei Hsien, Taiwan
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GOS-6200 OSCILLOSCOPE
USER
MANUAL
CONTENTS PAGE
1
. PRODUCTINTRODUCTION ................................................. 1
1.1.Description
....................................................... 1
1.2.Feature
............................................................. 2
2
. TECHNICALSPECIFICATIONS .......................... 4
3
. PRECAUTIONS BEFORE OPERATION ...................... 8
3.1.Unpacking theinstrument......................................
8
3.2.Checking theLine Voltage ..................................... 8
3.3.Environment
..................................................... 9
......................
3-IEquipment Installation and Operation 9
....................................................
3.5.CRT Intensity 9
.................. 3.6.Withstanding Voltageof Input Terminals
9
4 .
PANELLNTRODUCTION ......................................... 10
4.l.Front Panel
....................................................... 12
4.2.Rear Panel
........................................................34
5. OPERATION METHOD...........................................36
5.l.Readout Display
.................................................. 36
5.2.Connecting Input Signals
...................................... 38
5.3. Adjustment and Checks
.................................. 39
5.4. Function Check
..................................................41
5.5.Basic Operation
................................................... 43
5d.Measurement Application ..................................... 52
...................................................
6. MAINTENANCE 56
6.l.Fuse Replacement
............................................... 56
......................................................
6.2.Line Voltage 56
6.3.Cleaning ..........................................................57
7
. BLOCK DIAGRAM
................................................ 58
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GOS-6200 OSCILLOSCOPE
USER
MANUAL
SAFETY TERMS AND SYMBOLS
n
Theseterms may appear inthis manualor onthe product:
WARNING. Warning statements identify condition or
practicesthat could resultininjuryor lossof life.
CAUTION. Caution statements identify conditions or
practicesthat could result indamage tothis productor
other property.
The followingsymbolsmay appear inthis manualor onthe product:
DANGER AlTENTlON Protective Earth(ground)
HighVoltage referto ~anual
Conductor Terminal
Terminal
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GOS-6200 OSCILLOSCOPE
USER
MANUAL
-
FOR UNITED KINGDOM ONLY
NOTE: This leadlappliance must only be wired by competent persons
WARNING:
THIS APPLIANCE MUST BE EARTHED
IMPORTANT: Thewires in this lead are coloured in accordance with
the followingcode:
Green/ Yellow: Earth
Blue: Neutral
Brown: Live(Phase)
As the colours of the wires in main leads may not correspond with the
colours marking identified in your plug/appliance, proceed as follows:
The wire which
is coloured Green & Yellow must be connected to the
Earth terminal marked with the letter E or by the earth symbol
@
orcoloured Green orGreen & Yellow.
The wire which is coloured Blue must be connected to the terminal
which is marked with the letter
N or coloured BlueorBlack.
The wire which is coloured Brown must be connected to the terminal
marked with the letter
L orP or coloured Brown orRed.
If in doubt, consult the instructions provided with the equipment or
contact the supplier.
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GOS-6200 OSCILLOSCOPE
USER MANUAL
This cable/appliance should be protected by a suitably rated and
approved
HBC mains fuse: refer to the rating information on the
equipment and/or user instructions for details. As a guide, cable of
0.75mmzshould be protected by a
3A or 5A fuse. Larger conductors
would normally require
13A types, depending on the connection
method used.
Any moulded mains connector that requires removal /replacement
must be destroyed by removal of any fuse
& 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.
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GOS-6200OSClLLOSCOPE
USER
MANUAL
- - -
EC Declaration of Conformity
We
GOOD WILL INSTRUMENT CO., LTD.
(1) No. 95-1 1,Pao-Chung Rd., Hsin-Tien City, Taipei Hsien, Taiwan
(2)Plot 522, Lorong Perusaham
Baru 3, Prai Industrial Estate, 13600Prai, Penang, Malaysia
declaresthat the below mentioned product
GOS-6200
is herewith confirmed to comply with the requirements set out in the Council Directive
on the Approximation of the Law of Member States relating to Electromagnetic
Compatibility
(891366/EEC, 92/31/EEC, 93168EEC) and Low Voltage Equipment
Directive
(73123lEEC).
For the evaluation regarding the Electromagnetic Compatibility and Low Voltage
;
Zonducted and Radiated Emissions I Electrostatic Discharge
EN 55011 class B: 1998
EN 61000-4-2. 1995-
Current Harmonic Radiated Immunity
EN 61000-3-2. 1995 EN 61000-4-3 : 1996
Voltage Fluctuation Electrical Fast Transients
EN 61000-3-3: 1995
EN 61000-4-4: 1995
Surge Immunity
EN
61000-4-5: 1995
----------------
Conducted Susceptib~lity
EN 61000-4-6: 1996
----------------
Power Frequency Magnetic field
EN 61000-4-8: 1993
----------------
Voltage Dips/ Interrupts
EN 61000-4-11 : 1994
M- *'u8 %Rage &uipmentD&kfi+e ?5R9/EE3' &amended by 93168AZE1~
Safety Requirements
EN
61010-1: 1993+A2: 1995
IEC 610 10- 1 : 1 99O+A I : l992+A2: 1995
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GOS-6200 OSCILLOSCOPE
USER MANUAL
1.PRODUCT INTRODUCTION
1-1. Description
The GOS-6200 is a 200MHz, two-channel, dual-sweep, portable oscilloscope
for general purpose use.
A microprocessor-based operating system controls
most of the functions of the instrument, including cursor readout and
digitized panel setting. On-screen alphanumeric readout and cursor function
for voltage, time, frequency and phase measurement provide extraordinary
operational convenience. It also has the function of TV Line select for
triggering setting, auto measurement for frequency, period, pulse width and
duty cycle and auto setting function. Ten different user defined instrument
settings can be saved and recalled without restriction.
The vertical deflection system has two input channels. Each channel has
11
basic deflection factors from 2mV to 5V per division. The horizontal
deflection system provides single, dual or delayed sweeps from 0.5s to 20ns
per division (delayed sweep, 50ms to 20ns per division). The trigger system
provides stable triggering over the full bandwidth of the vertical deflection
system.
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GOS-6200 OSCILLOSCOPE
USER
MANUAL
1-2.Features
Additionally, the oscilloscope offers several other features:
1)High intensity and internal graticule CRT
The oscilloscope employs a high intensity 6-inch retangular type
cathode-ray tube with red internal graticule. It displays clear readable
traces even at high sweep speeds. Internal graticule lines eliminate
parallax-viewing error between the trace and the graticule line.
2) Temperature compensation
The oscilloscope uses a temperature compensation circuit to reduce the
drift of base line and
DC balance.
3) 20MHz bandwidth limit
When it is hard to observe or trigger a signal because a high-frequency
component is superimposed on the signal, use the
20MHz BWL
function to reduce the bandwidth of the vertical deflection system and
trigger system to
20MHz.
4) Auto-setting
At a press of the AUTOSET button, an optimum time base range is
automatically set to a corresponding change in input signal period.
A
signal period from 1.6 to 4 cycles, signal amplitude from 1-7 div
approx. is displayed.
5) TV triggering
Exclusive TV sync separator circuit technology provides stable TV
signal measurements on fields, frames and lines.
6) Z-axis intensity modulation
For applying a blanking signal from an external source. The trace
displayed on the screen may be intensity-modulated where pulse signal
or time-scale marks are required.
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