HP 212A - Table of Contents; Igeneral Description

TABLE OF CONTENTS
Page No.
Section I GENERAL DESCRIPTION
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1-1 General 1-1
1-2 Accessory Cablem ....................... 1-1
Section LI OPERATING INSTRUCTIONS
...........................
Inspection 2-1
Controls and Terminals .................... 2-1
Automatic Overload Relay Protection .............. 2-2
Operation ........................... 2-2
Waveahape of Output Pulse ................... 2-3
Po~itive and Negative Pulsa Output Levels ............ 2-4
Operation of Pulse Length and Pulse Rate Controla ........ 2-4
Operation of Pulae Position Control ............... 2-5
Section 1l1 CIRCUIT DESCRIPTION
General ................
.............
Rep.RateMV
Delay MV and Blocking Oscillator ....
Purse Poeitlon MV and Blocking Oacillatos
......
Pulae Forming Thyratron Vb
Pulse Length MV and Blocking O~cillator .
Pulse Terminating Thyrntron Vl6 ....
Clipper Circuits ............
Output Amplifier ....a.rn.....
.............
Powersupply
Section IV MAINTENANCE
4-1 OutputPulseAnalyels ...................... 4-1
..........................
4-2 Adjuetmenta 4-3
4-3
Servicing Negative High Voltage Supply (V4. V1Z. V14. etc . ) .... 2-5
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4-4 Thyratron Replacement 4-5
4-5 Replacement of Load Remistor R7.1 and R22 . . . 4 4-6
4-6 TroubleShaotingChart .................... 4-7
SectionV TABLEOFREPLACEABLEPARTS .................. 5-1