Equipment information

Hewlett Packard 212A Generator
Manufacturer
Hewlett Packard
Model 212A
Date 1954
Category: Measurement instruments
Group Generator
Description Pulse Generator
Information
                                    The Model 212A Pulse Generator is a fundamental measuring
instrument for determining the action of circuits under
conditions of rapid change.
The pulse produced by this instrument has a short time of
rise-and decay with a flat top and minimum of overshoot.
Either positive or negative pulses are available and the
pulse shape is independent of the repetition rate, connected
load, sync condition, supply voltages, and output attenuator
setting. The pulse length is continuously variable from . 07
to 10 microseconds.
This instrument is applicable to the testing of radar
systems, nuclear counting circuits, television systems,
response of video amplifiers, filters and band pass circuits
and pulse modulation of UHF signal generators.

These manuals are available for the above equipment:

Hewlett Packard -- 212A -- Service and User Manual
File name HewlettPackard-6833-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 61
Size 20.30 Mbytes (21288108 Bytes)
Language english
Revision
Manual-ID/Number
Date October 1959
Quality Scanned document, all readable.
Upload date
MD5 40825396078874b3f7467d003e2d2b1d
Downloads 120 since 31 May 2015
Information
SERI A IS PREFIXED: 419

Section I GENERAL DESCRIPTION
l-l
General........................................................................................................................1-1
1-2 Accessory
Cables....................................................................................................1-1
Section II OPERATING INSTRUCTIONS
2-1 Inspection
.....................................................................................................................2-1
2-2 Controls and Terminals
............................................ยป.......................................2-1
2-3 Automatic Overload Relay Protection
..............................................................2-2
2-4
Operation.....................................................................................................................2-2
2-5 Waveshape of Output Pulse
a..............................................2-3
2-fc Positive and Negative Pulse Output
Levels.....................................................2-4
2-7 Operation of Pulse Length and Pulse Rate
Controls....................................2-4
2-8 Operation of Pulse Position
Control.................................................................2-5
Section m CIRCUIT DESCRIPTION
3-1 General
.........................................................................................................................3-1
3-2 Rep. Rate
MV............................................................................................................3-1
3-3 Delay MV and Blocking Oscillator 3-1
3-4 Pulse Position MV and Blocking Oscillator 3-2
3-5 Pulse Forming Thyratron
V6...............................................................................3-2
3-6 Pulse Length MV and Blocking
Oscillator.........................................................3-2
3-7 Pulse Terminating Thyratron
V16......................................................................3-3
3-8 Clipper
Circuits.........................................................................................................3-3
3-9 Output
Amplifier.......................................................................................................3-3
3-10 Power Supply
.............................................................................................................3-3
Section IV MAINTENANCE
4-1 Output Pulse
Analysis................................................................................................4-1
4-2
Adjustments...............................................................................................................4-3
4-3 Servicing Negative High Voltage Supply (V4, V12, V14,
etc.) .... 4-5
4-4 Thyratron
Replacement............................................................................................4-5
4-5 Replacement of Load Resistor R21 and R22 ........... 4-6
4-6 Trouble Shooting Chart
.......................................................................................4-7
Section V TABLE OF REPLACEABLE
PARTS..........................................................................
5-1
HewlettPackard-6833-Manual-Page-1-Picture
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