TB 9-4931-535-35
(6) Press ENTRY STEP ⇑ key. TI marker amplitude indication will be <-80 dB.
(7) Disconnect low pass filter from TI and synthesizer/level generator.
(9) Press keys and enter values using ENTRY keys as listed in (a) through (e)
below:
(a) MARKER/CONTINUOUS ENTRY OFFSET to off.
(b) INPUT ENTRY RANGE to -20 dBm using ENTRY STEP ⇑.
(c) ENTRY REFERENCE LEVEL to -20 dBm.
(e) MARKER/CONTINUOUS ENTRY COUNTER to on.
(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:
(a) MARKER/CONTINUOUS ENTRY MKR → CF.
(b) MARKER/CONTINUOUS ENTRY MKR OFS → STEP.
(c) MARKER/CONTINUOUS ENTRY COUNTER to off.
(d) MARKER/CONTINUOUS ENTRY OFFSET to on.
(e) MARKER/CONTINUOUS ENTRY ENTER OFFSET key.
(f) ENTRY REFERENCE LEVEL to -50 dBm.
(g) ENTRY CENTER FREQUENCY.
(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 50-75Ω input.
a. Performance Check
(1) Ensure TI front panel inputs are open.
(2) Press keys and enter values ENTRY keys using as listed in (a) through (f)
below: