TB 9-4931-527-40
5. Accessories Required. The accessories required for this calibration are common
usage accessories, issued as indicated in paragraph 4 above, and are not listed in this
calibration procedure. The following peculiar accessory is also required for this calibration:
Frequency Doubler, Hewlett Packard, Model 11690A.
Table 2. Minimum Specifications of Equipment Required
Manufacturer and model
Common name
Minimum use specifications
(part number)
FUNCTION
Range: 10 kHz
Agilent, Model 33250A (33250A)
-20 to +7 dBm
Flatness: 1%
Distortion: < - 60 dB
Hewlett Packard, Model 8902A
MEASURING
Frequency Range:
w/sensor, Hewlett Packard,
RECEIVER
9 to 450 MHz
Accuracy: 0. 1 %
Model 11722A (11722A)
Carrier frequency: 12 to 400
MHz
Demodulation sensitivity:
FM: 1 V/kH
AM: 1 V/10%
Filters: 50 Hz, high pass 3
kHz low pass
Range: 0 to 10 V dc
Hewlett Packard, Model 3458A
Accuracy: 0.1%
(3458A)
Range: 1.998 to 2.002 V ac
Accuracy: 1%
SPECTRUM ANALYZER
Range: 12 to 1600 MHz
(AN/USM-677)
Relative power indication
Accuracy: 2 dB
THERMAL CONVERTER
Max input voltage: 1 V rms
Filmohm, Model B7842-2
Accuracy: 0.05%
(7913198-2)
CALIBRATION PROCESS
6. Preliminary Instructions
a. The instructions outlined in paragraphs 6 and 7 are preparatory to the calibration
process. Personnel should become familiar with the entire bulletin before beginning the calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturers' manual for this TI.
d. Unless otherwise specified, all controls and control settings refer to the TI.
