General Radio Company - 1217-C - Generator
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1217-C
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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
1 Handbuch
Reparatur und Bedienungsanleitung
Dokumenttyp:
Reparatur und Bedienungsanleitung
Seitenanzahl:
53
Größe:
9,8 MB
Sprache:
englisch
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Gescanntes Dokument, alles ist lesbar.
Upload Datum:
29. Dezember 2016
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925c3dca-10a9-54da-e8aa-e89432db43be
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Section 1 INTRODUCTION...1
1.1 Purpose...1
1.2 General Description...1
1.3 Controls and Connectors...2
1.4 Accessories upplied...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