TB 9-6625-2083-35
IDENTIFICATION AND DESCRIPTION
This bulletin provides instructions for the
Tektronix, Types 453A, 453A3, 453MOD703H, 454, 454MOD163D, and 468.
The
manufacturers' manuals were used as the prime data sources in compiling these
instructions. The equipment being calibrated will be referred to as the TI (test instrument)
throughout this bulletin.
a. Model Variations. AN/USM-273 (OS188U) is the same as Tektronix, Type 453.
TI's may vary in SN's circuit layout, adjustments, and component values. Where applicable
these variations are indicated in this bulletin. TI's may have either BNC or UHF
connectors.
b. Time and Technique. The time required for this calibration is approximately 3
hours, using the dc and low frequency technique.
a. Forms, records, and
reports required for calibration personnel at all
levels are
prescribed by TB 750-25.
b. Adjustments to be reported on are designated (R) at the end of the sentence in which
they appear. When adjustments are in tables, the (R) follows the designated adjustment.
Report only those adjustments made and designated with (R).
3. Calibration Description. TI
parameters and
performance specifications which
pertain to this calibration are listed in table 1.
Test instrument
Performance
parameters
specifications
AN/USM-273 (OS-188U) and Tektronix, Types 453, 453A, 453A3, and 453MOD703H
Vertical deflection
Range: 5 mV/div to 10 V/div
Accuracy: 3%
Risetime
7 ns or less
5 s to .1 s/div except Type 453A3
A and B sweep
Range:
reduced to .5 s and 50 ms/div respectively
Accuracy: 3%
Calibrator
Range:
.1 to 1 V p-p
Accuracy: 1%
Repetition
Rate:
1 kHz
Accuracy: .5%
Tektronix, Types 454 and 454MOD163D
Vertical deflection
Range:
5 mV/div to 10 V/div
Accuracy: 3%
Risetime
2.4 ns or less (20 mv range)
05 s/div to 5 s/div
Sweep time
Range:
Accuracy: unmag 3%, mag 4%