General Radio Company 1217-C Generator
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Model:
1217-C
Date:
unknown
Class:
Type:
SubType:
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.
Manual type:
Service and User Manual
Pages:
53
Size:
9.78 Mbytes (10258368 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
unknown
Quality:
Scanned document, all readable.
Upload date:
2016 12 29
MD5:
925c3dca10a954dae8aae89432db43be
Downloads:
456
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
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