TB 9-6625-2288-35
Minimum use
Manufacturer and model
Common name
specifications
(part number)
CALIBRATOR
Frequency range: 20 kHz to 1 MHz
John Fluke, Model 5720A/CT
Voltage range: .2 mV to 3.15 V ac
(p/o MIS-35947); w/power
Accuracy: 1.25%
amplifier, John Fluke, Model
5725A (5725A)
MEASURING
Frequency range: 10 to 400 MHz
Hewlett-Packard, Model 8902A
RECEIVER
Range: 90 to 110 mV rms
(8902A) w/sensor module,
Accuracy: 1.25%
Model 11722A (11722A)
POWER SPLITTER
Frequency range: 10 to 400 MHz
Weinschel, Model 1870A
Port-to-port tracking accuracy: 0.15 dB
(7916839)
SIGNAL
Range: 3 to 400 MHz
(SG-1207/U)
Output amplitude variable from 90 to 110 mV
6. Preliminary Instructions
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 the procedure. Additional
maintenance information is contained in TM 11-6625-524-14-2 for this TI.
d. Unless otherwise specified all controls and control settings refer to the TI.
7. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
a. Mechanically zero TI meter.
b. Connect RF probe to PROBE jack.
