TB 9-6625-2076-24
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-287 or AN/GSM-705. Alternate items may be used by the
calibrating activity when the equipment listed in table 2 is not available. The items
selected must be verified to perform satisfactorily prior to use and must bear evidence of
current calibration. The equipment must meet or exceed the minimum use specifications
standard and TI.
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:
Clarostat Model 240C (7907234), Decade Resistor, (two required).
Table 2. Minimum Specifications of Equipment Required
Minimum use
Manufacturer and model
Common name
specifications
(part number)
AUDIO ANALYZER
Distortion Range: 30 Hz to 3 kHz
Boonton, Model 1121 (1121)
Fluke, Model PM6681/656
Range: 9,960 Hz to 335 MHz
Accuracy: 5x 107
(PM6681/656)
COUNTER
MEASURING
Range: 20 to 95% modulation
Measuring receiver system N5530S
Accuracy: 0.5%
RECEIVER
consisting of: Spectrum Analyzer
Agilent, Model E4440A (E4440A),
Power Meter Agilent, Model E4419B
(E4419B), and Sensor Module
Agilent, Model 504 (504)
Range: 0 to 10 V ac
Hewlett-Packard, Model 3458A
Accuracy: 0.01%
(3458A)
Range: 5 V dc
Accuracy: 2.5%
Range: 9.96 kHz
Agilent, OS-303/G (OS-303/G)
Accuracy: 3%
POWER METER
Range: 0 to -20 dBm
Hewlett Packard, Model 437B
Accuracy: 4%
(13440045) w/power sensor Hewlett
Packard, Model 8481 or 8482A
(13440043)
SYNTHESIZER/LEVEL
Frequency range: 9475 to
Hewlett-Packard, Model
10,442 Hz
3335AOPT 001-K06 (MIS-35938)
Accuracy: 0.5%
ZIFOR III1
Range: 0 to 359.99O
Collins, Model 478A3
(478A3)
1Limited
deployed.