TB 9-4920-358-24
11. Transmitter Power
a. Performance Check
(1) Set TI switches as listed in (a) through (d) below:
MODE switch to 2.
(a)
REFERENCE CODE switches to 7700.
(b)
FUNCTION switch to FREQ/POWER.
(c)
SYSTEM TYPE switch to SINGLE CHANNEL.
(d)
(2) Connect peak power meter to TI RADIATED TEST ANTENNA connector.
(3) Measure pulse power output of TI. If measured output power is not between -5
and -7 dBm, perform b below.
(4) Disconnect equipment setup.
b. Adjustments. Adjust A1R2 (fig. 2) until power meter indicates -6 dBm. Reinstall
RF module cover (R).
12. Transmitter Frequency
a. Performance Check
NOTE
RF module cover must be in place for the following checks.
(1) Connect microwave frequency counter Input 1 to TI RADIATED TEST
ANTENNA connector.
(2) Set TI switches as listed in (a) through (d) below:
MODE switch to 2.
(a)
REFERENCE CODE switches to 7700.
(b)
FUNCTION switch to SYSTEM.
(c)
SYSTEM TYPE switch to SINGLE CHANNEL.
(d)
(3) Microwave frequency counter frequency measurement will indicate TI output
frequency between 1029.8 and 1030.2 MHz.
(4) Disconnect equipment setup.
b. Adjustments. No adjustments can be made.
13. Transmitter Pulse
a. Performance Check
(1) Connect equipment as shown in figure 4 below.