TB 9-4920-456-24
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set, AN/GSM-287 or AN/GSM-440. 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:
Calibration test fixture J-4933/APM-421, NSN 6625-01-319-1604.
Table 2. Minimum Specifications of Equipment Required.
Manufacturer and model
Common name
Minimum use specifications
(part number)
FREQUENCY COUNTER
Period range: 186 to 276 s
Fluke, Model PM6681/656
(PM6681/656)
Period accuracy: 1.3%
MEASURING RECEIVER
Measuring receiver system
N5531S consisting of: Spectrum
Frequency range: 1.090 and 1.030 GHz
Analyzer, Agilent Model E4440A
Power range:
0 to -99 dBm
(E4440A), Power meter, Agilent
Accuracy:
0.025 dB
Model E4419B (E4419B), or
Power meter, Agilent Model
N1911A (N1911A) and Sensor
module, Agilent Model N5532A
opt. 518 (518)
Dc voltage range: 0.0 to 35.8 V dc
Hewlett-Packard, Model 3458A
(3458A)
Accuracy:
0.57%
Ac voltage range: 100 mV to 126 V ac
Accuracy:
2.5%
Frequency: 400 Hz
