Wavetek 164 Generator
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Modell:
164
Datum:
1988
Kategorie:
Gruppe:
Beschreibung:
30MHz Sweep Generator
Information
PURPOSE OF THE EQUIPMENT
The model 164 Sweep Generator offers an extended waveform
versatility plus a frequency range that spans twelve
decades, from 30 µHz (9.2 hours per cycle) to 30 MHz.
The waveforms available are sine, square, triangle,
trapezoidal and positive and negative rectangular and
trapezoidal pulse, each with variable amplitude, dc offset
and symmetry.
The trapezoidal waveform rise and fall times may be varied
by means of independent slope, width and symmetry controls.
Different rise times and fall times, both controllable, may
be selected to suit your testing or triggering | requirements.
The model 164 employs a main Generator, which can be J
triggered, gated or swept by an external signal. In
addition, it has a ramp/step Generator. The latter is used
to sweep, sweep burst or step the frequency of the main
generator. Frequency sweeping and stepping may be up or
down. Steps may be automatically sequenced or triggered.
1.2 SPECIFICATIONS
1.2.1 Waveforms
Eight selectable waveforms, sine, triangle, square, positive
pulse, negative pulse, trapezoid, positive trapezoid, and
negative trapezoid, plus variable DC output. Symmetry of all
waveform outputs is continuously adjustable from 1:19 to
19:1. Varying symmetry provides variable duty-cycle pulses,
sawtooth or unsymmetrical trapezoidal waveforms. Separate
sync output included.
Sweep Generator ramp and steps for continuous or
discrete-step sweep; up or down sweeping. The swept signal
may be triggered, gated, single stepped or swept-and-held.
Main Generator frequency may be swept as much as 1000:1.
Dokumenttyp:
Service- und Bedienungsanleitung
Seiten:
79
Größe:
22.03 Mbytes (23101298 Bytes)
Sprache:
english
Revision:
Dokument-ID:
1300-00-0047
Datum:
1988 04 01
Qualität:
Gescanntes Dokument, alles ist lesbar.
Upload Datum:
2018 08 15
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Information
SECTION 1 INTRODUCTION
1.1 PURPOSE OF THE
EQUIPMENT ... 1-1
1.2
SPECIFICATIONS ... 1-1
SECTION 2 INSTALLATION AND OPERATION
2.1 MECHANICAL
INSTALLATION ... 2-1
2.2 ELECTRICAL
INSTALLATION ... 2-1
2.3 OPERATING
CONTROLS ... 2-1
2.4 INSTALLATION
CHECKS ... 2-4
2.5 OPERATING
PROCEDURE ... 2-6
SECTION 3 CIRCUIT DESCRIPTION
3.1 INTRODUCTION ... 3-1
3.2 BASIC WAVEFORM AND FREQUENCY
DEVELOPMENT ... 3-1
3.3 WAVEFORM DEVELOPMENT AND SELECTION ... 3-1
3.4 FREQUENCY AND PERIOD
CONTROL ... 3-2
3.5 AMPLITUDE OFFSET AND
ATTENUATION ... 3-2
3.6 TRIGGER AND GATED
CONTROL ... 3-2
3.7 SWEEP
CIRCUITS ... 3-4
SECTION 4 PERFORMANCE VERIFICATION AND CALIBRATION
4.1
INTRODUCTION ... 4-1
4.2 FACTORY
REPAIR ... 4-1
4.3 RECOMMENDED TEST
EQUIPMENT ... 4-1
4.4 ACCESS
INSTRUCTIONS ... 4-1
4.5 CALIBRATION INSTRUCTIONS .
... 4-1
SECTION 5 TROUBLESHOOTING
5.1 CORRECTIVE
MAINTENANCE ... 5-1
5.2 TROUBLESHOOTING TECHNIQUE FOR INDIVIDUAL COMPONENTS ... 5-1
5.3 TROUBLESHOOTING GUIDE FOR MAIN
CIRCUITS ... 5-2
5.4 TROUBLESHOOTING PROCEDURE FOR INDIVIDUAL
CIRCUITS ... 5-6
5.4.1 Troubleshooting of Trigger
Circuit ... 5-7
5.4.2 VCG Amplifier and Current Generator Troubleshooting
Procedure ... 5-9
5.4.3 Triangle Generator
Troubleshooting ... 5-10
5.4.4 Troubleshooting the Capacitance Multiplier
Circuit ... 5-11
5.4.5 Amplifier Troubleshooting
Hints ... 5-12
5.4.6 Triangle Amplifier No. 2 Troubleshooting
Hints ... 5-12
5.4.7 Preamplifier Troubleshooting
Hints ... 5-13
5.4.8 Output Amplifier Troubleshooting
Hints ... 5-13
5.4.9 To Locate Short Circuit
Components ... 5-13
5.4.10 Loading Current and Impedance of Power
Supply ... 5-13
5.4.11 Power Supply Troubleshooting
Hints ... 5-14
5.4.12 Troubleshooting Guide for Sweep
Circuit ... 5-14
5.4.13 Troubleshooting of Sweep
Circuit ... 5-15
5.4.14 10-Step D/A Converter Troubleshooting
Hints ... 5-17
5.4.15 Digital Step Generator Troubleshooting
Guide ... 5-17
5.4.16 Troubleshooting the Digital Step
Generator ... 5-21
SECTION 6 PARTS LISTS AND SCHEMATIC DIAGRAMS