General Radio Company - 1393-A - Generator
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Equipment:
1393-A
Date:
1966
Category:
Group:
Sub Group:
Information
The Type 1398-A Pulse Generator is a general-
purpose pulse source intended primarily for laboratory
use. The repet i t ion rates of the pulse s may be
ei ther internally control led, at f requencies from 2.5 c / s
to 1.2 Mc/s, or external ly controlled at f requencies up
to 2.4 Mc/s.
In addition to the main posi t ive and negat ive output
p u l se s , the instrument a l so suppl ies synchronizing
pulse s that correspond to the beginning and end of the
main pulse. The early sync pulse ( prepulse ) is intended
chiefly for synchronizing an osci l loscope while the late
pulse ( delay pulse ) is in tended to make the instrument
an accurate time-delay Generator
1 Manual
Service and user manual
Manual type:
Service and user manual
Pages:
39
Size:
20.8 MB
Language:
english
Revision:
Manual-ID:
1398-0100A
Date:
March 1966
Quality:
Scanned document, all readable.
Upload date:
Dec. 30, 2016
MD5:
03a8f8d4-7d38-7841-755b-9e151cef5a9b
Downloads:
608
Information
Section 1
INTRODUCTION.......................................................................................................
1
1.1
Purpose..............................................................................................................
...1
1.2 General
Description................................................................
...................... ...1
1.3 Controls and
Connectors.................................................................................1
1.4 Accessories upplied..................................................................................
...1
1.5 Accessories A v a i la b le
...................................................................................1
Section 2 IN S TA L LA T IO N
.......................................................................................................
5
2.1 Cool
ing..............................................................................................................
5
2.2 Power
Supply..................................................................................................
5
2.3 Rack
Mounting................................................................................................
5
Section 3 OPERATING
PROCEDURE..................................................................................
6
3.1 Definition of
Terms.......................................................................................
6
3.2 Normal Internal
Operation...........................................................................
7
3.3 Normal External
Operation..........................................................................
7
3.4 PRF vs Pulse Durat
ion...........................................
.................................. 9
3.5 Precautions for Very Long or Very Short P u ls e s
............................. 9
3.6 Rise and Fall T ime s
.....................................................................................10
3.7 External Load
Considerations..................................................................10
3.8 Output Dc Component — Dc Translat
ion..............................................11
3.9 Locking on High Frequency
Signals...................................................... 12
3.10 Count-Down
Operation..................................................................................
12
3.11 Single-Pulse
Operation................................................................................
12
3.12 Use as a Delay Generator 12
3.13 Use for Complex
Waveforms.......................................................................13
Section 4 PRINCIPLES OF
OPERATION.........................................................................
14
4.1 General
..............................................................................................................14
4.2 Input and PRF Oscillator Circuit - External
Operation.............. . 14
4.3 Input and PRF Oscillator Circuit - Internal Operation
................15
4.4 Output Pulse and Timing
Circuits...........................................................
16
4.5 Power Supply 19
Section 5 SERVICE AND MAINTENANCE
.......................................................................20
5.1
Warranty..............................................................................................................20
5.2
Service................................................................................................................
20
5.3 Removal of
Cover............................................................................................20
5.4 Routine
Maintenance.....................................................................................20
5.5 Trouble-Shooting
Notes................................................................................21
5.6
Waveforms.........................................................................................................
23
5.7 Voltages and
Resistances.........................................................................
22
5.8 Calibration Procedure..............................
...................................................23
Parts Lists and
Schematics.........................................................................................................
28