TB 9-6625-2137-24
(13) Connect synthesizer/level generator 75
OUTPUT to return loss bridge source
input, using cable No. 2.
(14) Connect true rms voltmeter input to return loss bridge detector output, using
cable No. 2.
NOTE
Ensure MEASURE/TEST 30 dB switch on return loss bridge
is in MEASURE position.
(15) Set synthesizer/level generator for 1 MHz.
(16) Press TI ENTRY [FREQ] [1] [MHz-dB] pushbuttons for 1 MHz and
TERMINATION [124 ] pushbutton.
and press DISPLAY REL/dBm
(17) Set true rms voltmeter REF switch to 124
pushbutton for 0.00 dB indication.
input jack.
(18) Connect return loss bridge to TI TERMINATION 124
(19) True rms voltmeter will indicate at least -30 dB down.
(20) Disconnect return loss bridge from TI.
(21) Repeat (15) through (20) above for 5 MHz.
b. Adjustments. No adjustments can be made.
11. Balance
a. Performance Check
(1) Connect equipment as shown in figure 3.
Figure 3. Balance test 600
- equipment setup.
] pushbuttons.
(2) Press TI ENTRY [RECALL] [0] and TERMINATION [75
(3) Set function/arbitrary generator for 50 Hz and amplitude for +10 dBm output.
(4) Press TI ENTRY [FREQ] [5] [0] [Hz MIN], MEASUREMENT/ENTRY
[AVE], and BANDWIDTH [20 Hz] pushbuttons.