TB 9-6625-2137-35
(7) True rms voltmeter will indicate at least -30 dB down.
(8) Disconnect cable No. 1 from TI TERMINATION 75 Ω input jack.
(9) Set synthesizer/level generator for 10 MHz.
(10) Press TI ENTRY [FREQ] [1] [0] [MHz-dB] pushbuttons for 10 MHz.
(11) Press true rms voltmeter DISPLAY REL/dBm pushbutton for a 0.00 dB
indication and repeat (6) through (8) above.
NOTE
Steps (12) through (21) below do not apply for model 3586C.
(12) Replace directional bridge with return loss bridge in equipment setup.
(13) Connect synthesizer/level generator 75 Ω 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 Ω] pushbutton.
(17) Set true rms voltmeter REF switch to 124 Ω and press DISPLAY REL/dBm
pushbutton for 0.00 dB indication.
(18) Connect return loss bridge to TI TERMINATION 124 Ω input jack.
(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.
(2) Press TI ENTRY [RECALL] [0] and TERMINATION [75 Ω] pushbuttons.
(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
