SECTION I. IDENTIFICATION AND DESCRIPTION

Calibration Procedure For Oscilloscope, Os-189A(P), And Models 180A, 180C And 180D; Dual Channel Vertical Amplifier, Pl-1186/Usm-281 And Pl-1186A/Usm-281A, And, Model 1801A; And Time Base And Delay Generator, Pl-1187/Usm281 And Pl-1187A/Usm-281A, And, Model 1821A Page Navigation
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TB 9-6625-2072-24

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SECTION

III.

CALIBRATION PROCESS FOR

OSCILLOSCOPES;

OS-189A(P)/USM-281A, AND HEWLETT-

PACKARD, MODELS 180A, 180C,

AND 180D

Preliminary instructions.......................................

Equipment setup ...................................................

Calibrator output and stability ............................

Magnifier and horizontal gain..............................

Bandwidth .............................................................

Low voltage power supply.....................................

High voltage power supply ...................................

Final procedure .....................................................

IV.

CALIBRATION PROCESS FOR DUAL

CHANNEL VERTICAL AMPLIFIER,

PL-1186/USM-281, PL-1186A/USM-281A,

AND HEWLETT-PACKARD, MODEL

1801A

Preliminary instructions.......................................

Equipment setup ...................................................

Gain and attenuator accuracy ..............................

Attenuator compensation and input

capacitance........................................................

Final procedure .....................................................

CALIBRATION PROCESS FOR TIME BASE

AND DELAY GENERATOR, PL- 1187/USM-

281 PL-1187A/USM-281A, AND HEWLETT-

PACKARD, MODEL 1821A

Preliminary instructions.......................................

Equipment setup ...................................................

Sweep time.............................................................

Sweep comparator .................................................

Risetime .................................................................

Final procedure .....................................................

SECTION I

IDENTIFICATION AND DESCRIPTION

1. Test Instrument Identification.

This bulletin provides Instructions for the

calibration of Oscilloscope, OS-189A(P), and Hewlett-Packard, Models 180A, 180C, and

180D; Dual Channel Vertical Amplifier, PL1186/USM-281 and PL-1186A/USM-281A, and

Hewlett-Packard, Model 1801A; and Time Base and Delay Generator, PL-1187/USM-281

and PL-1187A/USM-281A, and Hewlett-Packard, Model 1821A. The manufacturers'

manuals were used as the prime data sources in compiling these instructions. The

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