Table 3. Accessories Required
Common Name
and/or
Item
(official nomenclature)
Description and part number
B1
ADAPTER
WR75 to WR75 (B165875) (furnished with TI)
B2
ADAPTER
Double banana jack to phone plug (7907566)
(CONNECTOR, ADAPTER)
B3
CABLE ASSEMBLY
24-in., BNC plug terminations, RG-58A/U (10519141)
(CABLE ASSEMBLY, RADIO
FREQUENCY)
B4
CABLE ASSEMBLY
36-in., N-plug terminations, RG-9A/U (10519061)
B5
CABLE ASSEMBLY *
30-in., double banana plug terminations (7907470)
(CABLE ASSEMBLY, RADIO
FREQUENCY)
B6
HEWLETT-PACKARD, Model P424A (7923241) with Crystal
(SEMICONDUCTOR DEVICE, DIODE)
Mount PRD Model 6010 (7923159)
* Two required
SECTION III
PRELIMINARY OPERATIONS
information
is
contained
in
Preliminary Instructions.a. The
6.
instructions
manufacturer's manual for this TI.
NOTE
with the entire bulletin before beginning the calibration.
When
indications
specified
in
b. Items of equipment used in this procedure are
tolerance, perform the power supply
referenced within the text by common name and item
check prior to making adjustments.
After adjustments are made, repeat
identification of equipment referenced by item numbers
Do not
perform power supply check if all other
WARNING
parameters are within tolerance.
HIGH VOLTAGE is used during the
NOTE
performance of this calibration. DEATH
Unless otherwise specified, all controls
ON CONTACT may result if personnel
and control settings refer to the TI.
fail to observe safety precautions.
Equipment Setup. a. Remove
protective
7.
NOTE
cover only as necessary to perform required
Unless otherwise specified, verify the
adjustments.
results of each test and, whenever the
b. Connect TI to autotransformer (A1) and adjust
test requirement is not met, take
autotransformer for 115 volts ac (alternating current).
corrective action before continuing with
c. Energize equipment and allow sufficient time
the calibration. Adjustments required to
calibrate the TI are included in this
for equipment to warmup and stabilize.
procedure.
Additional maintenance
SECTION IV
CALIBRATION PROCESS
Frequency and Stability. a. Performance
8.
NOTE
Check
Maintain 1 milliwatt (O dBm) power output
throughout remainder of this performance check.
frequency double RF OUTPUT, using cable assembly
indication.
(B4).
(2) Adjust FREQUENCY GHZ control for
between 7.381 and 7.418 GHz (gigahertz), perform b
3.70 indication on FREQUENCY GHZ dial.
below. Record indication.
(3) Set AF control to 0.
(4) Adjust ATTENUATOR control for 1 mW
125
(milliwatt) indication on POWER OUTPUT meter.
3