TB 9-4931-535-24
(f) MARKER/CONTINUOUS ENTRY MAN SWEEP to on.
to low pass filter input and
(2) Connect synthesizer/level generator OUTPUT 50
connect low pass filter output to TI 50-75 input.
(3) Set synthesizer/level generator for a 13.31 MHz, -25 dBm output.
(4) Press keys and enter values using ENTRY keys as listed in (a) through (d) below:
MARKER/CONTINUOUS ENTRY OFFSET to on.
(a)
MARKER/CONTINUOUS ENTRY ENTER OFFSET.
(b)
ENTRY REFERENCE LEVEL to -50 dBm.
(c)
ENTRY CENTER FREQUENCY.
(d)
(5) Press ENTRY STEP
key. TI marker amplitude indication will be <-80 dB.
(6) Press ENTRY STEP
key. TI marker amplitude indication will be <-80 dB.
(7) Disconnect low pass filter from TI and synthesizer/level generator.
(8) Connect oscillator OUTPUT to TI 50-75
input.
(9) Press keys and enter values using ENTRY keys as listed in (a) through (e) below:
MARKER/CONTINUOUS ENTRY OFFSET to off.
(a)
INPUT ENTRY RANGE to -20 dBm using ENTRY STEP .
(b)
ENTRY REFERENCE LEVEL to -20 dBm.
(c)
ENTRY CENTER FREQUENCY to 1 kHz.
(d)
MARKER/CONTINUOUS ENTRY COUNTER to on.
(e)
(10) Adjust oscillator controls until TI counter frequency indication is as close as
possible to 1000 Hz and amplitude indication is as close as possible to 20 dBm.
(11) Press keys as listed in (a) through (g) below:
MARKER/CONTINUOUS ENTRY MKR
CF.
(a)
MARKER/CONTINUOUS ENTRY MKR OFS
STEP.
(b)
MARKER/CONTINUOUS ENTRY COUNTER to off.
(c)
MARKER/CONTINUOUS ENTRY OFFSET to on.
(d)
MARKER/CONTINUOUS ENTRY ENTER OFFSET key.
(e)
ENTRY REFERENCE LEVEL to -50 dBm.
(f)
ENTRY CENTER FREQUENCY.
(g)
(12) Press ENTRY STEP
key. TI marker amplitude indication will be <-80 dB.
(13) Repeat (12) above until fourth harmonic has been checked.
(14) Disconnect oscillator OUTPUT from TI 50-75
input.
b. Adjustments. Refer to paragraph 6d.
18. Bandwidth
a. Performance Check
(1) Ensure TI front panel inputs are open.
(2) Press keys and enter values using ENTRY keys as listed in (a) through (f) below:
(a) ENTRY RECALL and then 602.
