TB 9-6625-2137-35
16. Carrier Frequency and Adjacent Channel
Rejection
a. Performance Check
(1) Connect synthesizer/level generator 75 Ω OUTPUT to TI TERMINATION
75 Ω input,
using cable No. 2.
Adjust frequency of
synthesizer/level generator for 1 MHz
and amplitude for 0 dBm output.
(2) Press TI ENTRY [FREQ] [1] and [MHz-dB] pushbuttons.
(3) Press TI [RECALL], [0] TERMINATION (75 Ω) MEASUREMENT/ ENTRY
[OFFSET], and ENTRY [RDNG OFFSET] pushbuttons.
(5) Set synthesizer/level generator INCR pushbutton one step above 1 MHz. The TI
dBmΟ level indication will be less than -60 dBmΟ.
(6) Repeat (5) above for one step below 1 MHz. The TI dBmΟ level indication will
be less than -60 dBmΟ.
(7) Set synthesizer/level generator for 1 MHz and repeat (4) through (6) above for an
INCR frequency of 2850 Hz. The TI dBmΟ level indication will be less than -75 dBmΟ.
b. Adjustments. No further adjustments can be made.
17. Wideband Power
Flatness
a. Performance Check
(2) Press TI ENTRY [RECALL], [0], MEASUREMENT MODE [WIDE BAND],
MEASUREMENT/ENTRY [AVE], and TERMINATION [75 Ω] pushbuttons.
(3) Set function/arbitrary generator for 20 kHz and amplitude for +8.7 dBm.
(4) Set synthesizer/level generator for 30 kHz and amplitude for +8.7 dBm.
(5) Press TI ENTRY
[RDNG
OFFSET]
and
MEASUREMENT/ENTRY
[OFFSET] pushbuttons.
(6) Set synthesizer/level generator to 10 MHz. TI will indicate between 0.8 dBmO.
(7) Set function/arbitrary generator for 200 Hz and synthesizer/level generator
for 1 kHz. Press TI [RDNG OFFSET] pushbutton.
(8) Set synthesizer/level generator to 32 MHz. TI will indicate between 1.8 dBmO.
16 CHANGE 1
PIN: 058133-001