TB 9-5915-215-40
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. Set measuring receiver LINE switches to ON position and allow 1 hour for
equipment to warm-up.
b. Prepare measuring receiver to measure RF power.
c. Connect TI to 115 V ac source and turn power on and allow sufficient warm-up time.
8. Insertion Loss and Rejection Test
a. Performance Check
(1) Connect equipment as shown in figure 1. Set signal generator RF OUTPUT on.
NOTE
Ignore any faults/errors on the TI when setting the TI to 00
range.
(2) Set the TI AUTO/MANUAL/SELECT switch to the center position MANUAL
(manual operation), and set the thumb wheels to select range 00.
Press the
AUTO/MANUAL/SELECT switch down momentarily to activate the TI range.
(3) Set signal generator to produce a 135 kHz CW output at 0 dBm and establish a
RF power reference on measuring receiver.
Figure 1. Equipment setup.