TB 9-6625-2330-24
(e) FUNCTION-RF ON to on (red light lit).
(8) Using measuring receiver and RF power measurement techniques, measured
power will indicate within limits specified in table 11 for 0 dBm.
(9) Set measurement receiver to Ratio mode.
(10) Set TI to next power level indicated in table 11.
(11) Using standard tuned level measurement techniques, measuring receiver will
indicate within limits specified for TI output level in table 11.
(12) Repeat (10) and (11) above for remaining output levels listed in table 11.
Table 11. 1300 MHz Attenuation.
Measuring receiver
Test instrument
DATA ENTRY
Indications (dB)
level
Min
Max
0
dBm
-2.5
2.5
-10
dBm
-12.5
-7.5
-20
dBm
-22.5
-17.5
-30
dBm
-32.5
-27.5
-40
dBm
-42.5
-37.5
-50
dBm
-52.5
-47.5
-60
dBm
-62.5
-57.5
-70
dBm
-72.5
-67.5
-80
dBm
-82.5
-77.5
-90
dBm
-92.5
-87.5
-100
dBm
-102.5
-97.5
-110
dBm
-112.5
-107.5
(13) Press TI FUNCTION-RF ON pushbutton to off (red light extinguished).
b. Adjustments. No adjustments can be made.
13. Spectral Purity
a. Performance Check
NOTE
Ensure measuring receiver spectrum analyzer EXT REF IN
(rear panel) is still connected to TI REF IN/OUT (rear panel).
(1) Connect
measuring
receiver
spectrum
analyzer
INPUT
50
to
TI
Ω
RF OUTPUT.
(2) Press TI pushbuttons as listed in (a) through (e) below:
(a) FUNCTION-CARR FREQ.
(b) DATA ENTRY- .450 MHz.
(c) FUNCTION-CARR LEVEL.