TB 9-4931-540-35
(b) AMPLITUDE to -15 dBm.
(c) AMPTD INCR to 0.1 dBm.
(20) Press keys and enter values using ENTRY keys as listed in (a) through (d)
below:
(a)
SWEEP ENTRY MANUAL to 13.31 MHz.
(b)
ENTRY CF STEP SIZE to 13.31 MHz.
(c)
ENTRY blue shift and then ENTRY CAL ON and wait for TI to calibrate.
(d)
ENTRY blue shift and then ENTRY CAL OFF.
(21) Adjust synthesizer/level generator amplitude, using INCR ⇑ or ⇓ keys, until TI
marker amplitude indicates -15 dBm.
(22) Press MARKER/CONTINUOUS ENTRY OFFSET key to on and then press
MARKER/CONTINUOUS ENTRY ENTER OFFSET key.
(23) Press SWEEP ENTRY MANUAL key and then ENTRY STEP ⇑ key.
TI
OFFSET amplitude indication will be <-70 dBm.
(24) Press ENTRY STEP ⇑ key. TI marker amplitude indication will be <-70 dBm.
(25) Disconnect low pass filter No. 1 from TI, 50Ω feedthrough termination, and
synthesizer/level generator.
(26) Connect synthesizer/level generator OUTPUT 50Ω to low pass filter No. 2 input
and connect low pass filter No. 2 output to TI 1 MΩ input using a 50Ω feedthrough
termination.
(27) Set synthesizer/level generator as listed in (a) through (c) below:
(a) FREQUENCY to 20.01 MHz.
(b) AMPLITUDE to -15 dBm.
(c) AMPTD INCR to 0.1 dBm.
(28) Press keys or set controls to values as listed in (a) through (e) below:
(a)
MARKER/CONTINUOUS ENTRY OFFSET to off.
(b)
SWEEP ENTRY MANUAL to 20.01 MHz.
(c)
ENTRY CF STEP SIZE to 20.01 MHz.
(d)
ENTRY blue shift and then ENTRY CAL ON and wait for TI to calibrate.
(e)
ENTRY blue shift and then ENTRY CAL OFF.
(29) Adjust synthesizer/level generator amplitude, using INCR ⇑ or ⇓ keys, until TI
marker amplitude indicates -15 dBm.
(30) Press MARKER/CONTINUOUS ENTRY OFFSET key to on and then press
MARKER/CONTINUOUS ENTRY ENTER OFFSET key.
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