General Radio Company 1393-A Generator
Manufacturer:
Model:
1393-A
Date:
1966
Category:
Group:
Description:
Pulse Generator

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.

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Service and User Manual
Manual type:
Service and User Manual
Pages:
39
Size:
20.81 Mbytes (21822387 Bytes)
Language:
english
Revision:
Manual ID:
1398-0100A
Date:
01 March 1966
Quality:
Scanned document, all readable.
Upload date:
30 December 2016
MD5:
03a8f8d47d387841755b9e151cef5a9b
Downloads:
204

Information

Section 1 INTRODUCTION ... 1 1.1 Purpose ... 1 1.2 General Description ... ... 1 1.3 Controls and Connectors ... 1 1.4 Accessories Supplied ... 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

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