Equipment information
Wavetek 2002A Generator
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Model:
2002A
Date:
1980
Category:
Group:
Description:
SWEEP/SIGNAL GENERATOR
Information
The Model 2002A covers the 1 to 2500 MHz range in three
bands. Band 1 is covered by a 1 to 500 MHz heterodyne sweep
oscillator. Band 2 is covered by two fundamental oscillators
which sweep from 500 to 1000 MHz and 1000 to 1500 MHz,
respectively. Band 3 is covered by a single fundamental
Oscillator sweeping from 1500 to 2500 MHz. Additionally, ail
four oscillators may be stacked {sequentially swept) to
cover the entire 1 to 2500 MHz instrument range {band 4).
Each of the four frequency bands {1-500 MHz, 500-1500 MHz,
1500-2500 MHz, and 1-2500 MHz) may be used in three modes of
operation: start/stop, Af, or CW. It can be swept over any
portion of a given band, in either direction, at any rate
from 50 sweeps per second to 1 sweep every 100 seconds.
Manual, triggered, or recurring sweeps are provided. The
sweep frequency, sweep width, and output attenuation may be
controlled by external voltages.
Other features of the Model 2002A include a SLOPE control
which compensates for frequency dependent variations in the
external circuitry, and a 1 kHz square-wave modulator for
low-level recovery applications.
This instrument also includes an elaborate frequency marker
system. Up to five crystal-controlled birdy marker modules
{single frequency or harmonic type) may be plugged into the
Mode! 2002A. Each module has its own front-panel on/off
switch. Additionally, a single module producing harmonic
markers at 1, 10, 50, and 100 MHz intervals may be
installed. Front-panel SIZE and WIDTH controls enable
optimum adjustment of the marker display. The marker system
features dual-amplitude markers for easy identification. In
application, the markers may be tilted up to 90° for easy
viewing when displayed with steep transition signals, or
they may be rectified by a front-panel switch for X-Y
plotter applications.
Other optional features include a rear-panel Auxilliary RF
Output and a Pen Lift circuit for use with X-Y plotters.
Most optional features, as well as the functional circuits
for the basic sweep generator, have modular Plug-In
construction. This allows optional features to be factory
installed at the time of purchase, or customer installed at
a later date. This concept offers protection against
obsolesence, since updated and additional features can be
simply and economically added as new test procedures
dictate. In addition, maintenance problems can be greatly
simplified by stocking several modules instead of hundreds
of discrete components.
Manual Type:
Service and User Manual
Pages:
178
Size:
6.53 Mbytes (6851160 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
2014 11 17
MD5:
75e84a7f5393ebd8dcbbe36f61937006
Downloads:
1116
Information
This manual provides descriptive material and instructions
for the installation, operation, maintenance, and repair of
the Wavetek Model 2002A Sweep/Signal Generator.
SECTION
1 - GENERAL INFORMATION
1.1
INTRODUCTION
1.2
SPECIFICATIONS
1.3
OPTIONS
1.4
ACCESSORIES
SECTION
2-OPERATION
2.1
INTRODUCTION
2.2
MECHANICAL INSTALLATION
2.3
ELECTRICAL INSTALLATION
2.4
DESCRIPTION OF FRONT PANE
2.5
DESCRIPTION OF REAR PANEL
2.6
TYPICAL OPERATING SET-UP
2.7
SPECIAL OPERATING NOTES
2.8
PROGRAMMING
SECTION
3 - THEORY OF OPERATION
3.1
INTRODUCTION
3.2
BLOCK DIAGRAM
3.3
DPS2A - Power supply
3.4
M101B — SWEEP RATE
3.5
M102A - SWEEP DRIVE
3.6
M103A — SWEEP DRIVE
3.7
M104A — LEVELER
3.8
M105 — MARKER ADDER
3.9
M109- SWEEP Oscillator 1
3.10 Ml 10 - SWEEP OSCILLATORS 2A, 23, AND 3
3.11 MA111“~ OUTPUT Amplifier
3.12 M121 - MODULATOR
3.13 M131 - BAND SELECT
3.14 M132 — Interface
SECTION 4 - PERFORMANCE TESTS
4.1
INTRODUCTION
4.2
FREQUENCY RANGE AND ACCURACY TESTS
4.3
SWEEP WIDTH TEST
4.4
DISPLAY LINEARITY TEST
4.5
SPURIOUS SIGNAL TEST
4.6
FREQUENCY DRIFT TEST
4.7
BLANKING TEST
4.8
OUTPUT IMPEDANCE AND SWR TEST
4.9
RF OUTPUT MAXIMUM LEVELTEST
4.10
RF OUTPUT ATTENUATION AND ACCURACY TESTS
4.11
RF OUTPUT FLATNESS TEST
4.12
SWEEP TIME (HORIZONTAL OUTPUT) TEST
4.13
MARKER SYSTEM TESTS
4.14
EXTERNAL PROGRAMMING
4.15
SLOPE TEST
4.16
1 KHZ MODULATION TEST
4.17
PEN LIFT (OPTION B4)
SECTION 5 - MAINTENANCE
5.1 INTRODUCTION
5.2 SERVICE INFORMATION
5.3 CALIBRATION PROCEDURE
5.4 TROUBLESHOOTING
5.5 FIELD INSTALLATION OF OPTIONS
SECTION 6 - REPLACEABLE PARTS
6.1 INTRODUCTION
6.2 MANUFACTURERS CODE *** PARTS LIST
SECTION 7 - SCHEMATICS
7.1 INTRODUCTION
7.2 SCHEMATIC NOTES
7.3 SCHEMATIC INDEX *** SCHEMATICS
Manual Type:
Service and User Manual
Pages:
178
Size:
6.54 Mbytes (6859755 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
1980 02 01
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2018 08 13
MD5:
aaacd647531669a9ae46418c6f53ecdf
Downloads:
476
Information
26
Open Winding in a C o i l ... 27
Checking Inductance In-Circuit ... 27
Testing Inductors on Printed Circuit
Boards ... 27
Mutual inductance ... 28
Value Reading on High Resistance
Coils ...
28
Inductor Coding ... 28
Checking Inductors for Good or Bad
With the Ringing T e s t ... 29
Inductor Testing Application Tips
Quality Testing on General Coils
and Transformers
Peaking C o i ls ... 30
Coils in Metal Shields ... 31
Ferrite Core Transformers and
C o i is ... 31
Testing Flyback Transformers and Yokes
With the Ringing Test ... 31
In-Circuit Quick Test ... 31
Testing Yokes with the Ringing Test ... 31
Testing Horizontal Yoke Windings
for Good or B a d ... 32
Testing Vertical Yoke Windings for
Good or B a d ... 33
MAINTENANCE
introduction ...
34
Access/Disassembly ...
34
Equipment Required for Calibration ... 34
Meter
Calibration ... 34
Input Protection Relay Trip Point Adjust ... 35
Inductance
Calibration ... 35
Ringing Test
Calibration ... 35
Capacitor
Calibration ... 36
APPENDIX
Capacitor Theory and the “ Z METER” ... 38
Capacitor Color Code and Marking Charts ... 42
Glossary of
Terms ... 46
SERVICE AND WARRANTY ... Inside Back Cover