General Radio Company 1217-C Générateur
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Modèle:
1217-C
Date:
Catégorie:
Groupe:
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.
Type manuel:
Service et Manuel de l'utilisateur
Pages:
53
Taille:
9.78 Mbytes (10258368 Bytes)
Langue:
english
Révision:
Manuel-ID:
Date:
Qualité:
Document scanné, tous les lisible.
Date de transfert:
2016 12 29
MD5:
925c3dca10a954dae8aae89432db43be
Téléchargements:
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