Equipment information

Wavetek 187 Generator
Manufacturer
Wavetek
Model 187
Date
Category: Measurement instruments
Group Generator
Description 4 MHz PULSE/ FUNCTION GENERATOR
Information
                                    The Wavetek Model 187, a 4 MHz Pulse/Function Generator, is
a precision source of sine, triangle, square and pulse
waveforms plus dc voltage. All waveforms are front panel
variable from 4 mHz to
4 MHz and can be frequency modulated and swept with an
external signal. Variable width and delay, single or double
pulses can be output inverted or normal. Amplitude of the
waveforms is variable from 10V peak-to-peak into 50Ω down to
30 mV peak- to-peak. DC reference of the waveform can be
offset positively or negatively.
The two selectable waveform outputs are a 20V peak- to-peak
maximum and a 2V peak-to-peak maximum (20 dB down from 20
Vp-p); both may be varied over a 30 dB range. A TTL level
signal at generator frequency is simultaneous with the
waveform outputs for synchronization.

These manuals are available for the above equipment:

Wavetek -- 187 -- Service and User Manual
File name Wavetek-6395-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 66
Size 12.21 Mbytes (12805318 Bytes)
Language english
Revision
Manual-ID/Number
Date
Quality Scanned document, all readable.
Upload date
MD5 7c28d0357c7ae2cfa8bc54ebdab80d54
Downloads 233 since 17 November 2014
Information
SECTION 1 GENERAL DESCRIPTION
1.1 THE MODEL
187................................................................................................-|_1
1.2
SPECIFICATIONS..............................................................................................-|_1
1.2.1
Versatility.........................................................................................................1_1
1.2.2 Frequency Precision
.....................................................................................1-2
1.2.3 Amplitude
Precision.......................................................................................1_2
1.2.4 Function
Characteristics..............................................................................1-2
1.2.5
General..............................................................................................................1_2
SECTION 2 INITIAL PREPARATION
2.1 MECHANICAL
INSTALLATION......................................................................2-1
2.2 ELECTRICAL
INSTALLATION.........................................................................2-1
2.2.1 Power Connection
.........................................................................................2-1
2.2.2 Signal
Connections..........................................................................................2-1
2.3 ELECTRICAL ACCEPTANCE
CHECK.................................. ............2-1
2.4 CHANGING THE OUTPUT
IMPEDANCE.......................................................2-2
SECTION 3 OPERATION
3.1 CONTROLS AND CONNECTIONS . . 3-1
3.2 OPERATION
.......................................................................................................3.4
3.2.1 Signal
Termination.........................................................................................3.4
3.2.2 Manual Function Generator Operation
.....................................................3-4
3.2.3 Voltage Controlled Function Generator
Operation...................................3-4
3.2.4 Pulse Generator
Operation............................................................................3.5
SECTION 4 CIRCUIT DESCRIPTION
4.1
INTRODUCTION................................................................................................4.·)
4.2 GENERATOR
BOARD.......................................................................................4-!
4.3 PULSE
BOARD...................................................................................................4.2
4.3.1
Square..............................................................................................................4.3
4.3.2 Delay Off
.........................................................................................................4.3
4.3.3 Delay
On............................................................................................................4.3
SECTION 5 ALIGNMENT
5.1 FACTORY
REPAIR.............................................................................................5^
5.2 REQUIRED TEST
EQUIPMENT.......................................................................5-1
5.3 REMOVING GENERATOR COVERS . . 5-1
5.4 ALIGNMENT
........................................................................................................5-1
iii
SECTION 6 TROUBLESHOOTING
6.1 FACTORY
REPAIR.........................................................................................6'1
6.2 BEFORE YOU START
..................................................................................6'1
6.3
STARTING.....................................................................................................6'3
6.4 TROUBLESHOOTING INDIVIDUAL
COMPONENTS............................................................................................6‘3
SECTION 7 PARTS AND SCHEMATICS
7.1
DRAWINGS...................................................................................................7'1
7.2
ADDENDA.....................................................................................................1Λ
7.3 ORDERING
PARTS......................................................................................7'1
Wavetek-6395-Manual-Page-1-Picture
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