TB 9-6625-156-24
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set, AN/GSM-287 and AN/GSM-440. Alternate items may be used by the
calibrating activity. 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
to-one ratio between the standard and TI. Where the four-to-one ratio cannot be met, the
actual accuracy of the equipment selected is shown in parentheses.
Table 2. Minimum Specifications of Equipment and Special Accessories Required.
Manufacturer and model
Common name
Minimum use specifications
(part number)
LOW PASS FILTER
Harmonic Suppression > 1700 MHz
Telonic, Model TLS 1225-5EF1
> 42 dB
Measuring receiver system N5531S
MEASURING RECEIVER
Range: -5 and 40 dBm at 1030
consisting of: Spectrum Analyzer
and 1090 MHz
Agilent, Model E4440A (E4440A),
Level accuracy: 0.32 dB
Power Meter Agilent, Model E4419B
(E4419B), or Power meter, Agilent
Range: 1030 and 1090 MHz
Model N1911A (N1911A) and
Frequency accuracy: 2.4 ppm
Sensor Module Agilent, Model
N5532A opt. 504 (504)
Range: ~25 Ω
Fluke, Model 8846A (8846A/G)
Accuracy:
3%
RF POWER METER
Range: +40 dBmavg
Bird, Model 4421 (4421) w/
at 1030 and 1090 MHz
Directional power sensor,
Model 4023A2G (4023A2G)
Level accuracy: 0.32 dB
Fluke, Model 9640A-LPN
RF REFERENCE SOURCE
Range: 1030 and 1090 MHz
(9640A-LPN)
+ 5 to 60 dBm
1
Accuracy:
0.32 dB
The only point of accuracy required is the +5 dBm. The -60 is only used to establish the reference window for the TRFL
1
measurement.
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. Peculiar accessories for this calibration are listed in table 3.
Table 3. Accessories Required.
Common name
Description (part number)
INSTRUMENT CONTROLLER
HP 2710P (13677427)
POWER AMPLIFIER
Ophir RF, Model XRF733 (XRF733)
or
Ophir RF, Model XRF610 (15-0777-M0)
TS-4530A/UPM FIELD MAINTENANCE UTILITY
Tel-Instrument part number 13667419
