Equipment information

General Radio Company 1217-C Generator
Manufacturer
General Radio Company
Model 1217-C
Date
Category: Measurement instruments
Group Generator
Description Unit Pulse Generator
Information
                                    The Type 1217-C Unit Pulse Generator is a general-purpose
pulse source intended primarily for laboratory use. The
repetition rates of the pulses may be either internally
controlled, at frequencies from 2.5 cps to

1.2	Me, or externally controlled at frequencies up to 2.4 Me.

In addition to the main positive and negative output pulses,
the instrument also supplies synchronizing pulses that
correspond to the beginning and end of the main pulse. The
early sync pulse (“prepulse”) is intended chiefly for
synchronizing an oscilloscope while the late pulse (“delay”
pulse) is intended to make the instrument an accurate
time-delay generator.

These manuals are available for the above equipment:

General Radio Company -- 1217-C -- Service and User Manual
File name GR-8199-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 53
Size 9.78 Mbytes (10258368 Bytes)
Language english
Revision
Manual-ID/Number
Date
Quality Scanned document, all readable.
Upload date
MD5 925c3dca10a954dae8aae89432db43be
Downloads 32 since 29 December 2016
Information
Section 1 INTRODUCTION...............1

1.1	Purpose................1

1.2	General Description............1

1.3	Controls and Connectors...........2

1.4	Accessories Supplied............3

1.5	Accessories Required............3

1.6	Accessories Available...........3

Section 2 OPERATING PROCEDURE............4

2.1	Installation...............4

2.2	Definition of Terms............6

2.3	Normal Internal Operation..........7

2.4	Normal External Operation..........8

2.5	PRF vs Pulse Duration............10

2.6	Precautions for Very Long or Very Short Pulses . . .12

2.7	Rise and Fall Times............13

2.8	External Load Considerations.........13

2.9	Output DC Component—DC Translation......14

2.10	Locking on High-Frequency Signals.......15

2.11	Count-Down Operation...........16

2.12	Single-Pulse Operation...........16

2.13	Use as a Delay Generator..........17

2.14	Use for Complex Waveforms.........18

Section 3 PRINCIPLES OF OPERATION...........19

3.1	General................19

3.2	Input and PRF Oscillator Circuit - External Operation ,	20

3.3	Input and PRF Oscillator Circuit - Internal Operation .	21

3.4	Output Pulse Circuit .............22

Section 4 SERVICE AND MAINTENANCE..........27

4.1	Warranty................27

4.2	Service................27

4.3	Removal of Cover.............28

4.4	Trouble-Shooting Notes...........28

4.5	Waveforms...............30

4.6	Voltages and Resistances. ..........31

4.7	Calibration Procedure............32
Parts Lists and Schematics
40
GR-8199-Manual-Page-1-Picture
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