TB 9-6625-2340-24
(10) Adjust function/arbitrary generator output amplitude to place the signal peak 2
divisions down from the top graticule line of the TI display. Do not readjust amplitude
during test.
(11) Press TI TRACE A MAX HOLD key.
(12) Set function/arbitrary generator for a single sweep with a 1 Hz start frequency, 1
MHz stop frequency, and 99.9 second sweep time.
(13) Start sweep and when sweep is completed press TI TRACE A VIEW key.
(14) Press TI keys as listed in (a) and (b) below:
(a) MARKER PEAK SEARCH.
(b) MARKER .
(15) Adjust TI DATA knob to scroll marker across displayed trace while observing
marker amplitude indication on TI display.
(16) TI marker
amplitude deviation will be within limits specified in table 17.
Table 17. Frequency Response (100 Hz to 100 kHz)
Test instrument
Displayed amplitude
(dB)
Min
Max
0
1.2
(17) Press TI keys as listed in (a) through (g) below:
0 2.5 GHz.
(a)
CENTER FREQUENCY, 4, MHz.
(b)
FREQUENCY SPAN, 2, MHz.
(c)
RES BW, 300, kHz.
(d)
LOG dB/DIV, 1, dB.
(e)
RES BW, 30, kHz.
(f)
SWEEP CONT.
(g)
MARKER OFF.
(h)
(18) Set function/arbitrary generator for an output of 40.5 MHz at an amplitude of 2
dBm.
(19) Adjust function/arbitrary generator output to place the signal peak 2 divisions
down from the top graticule line of TI display.
(20) Press TI keys as listed in (a) and (b) below:
START FREQ, 1, MHz.
(a)
STOP FREQ, 80, MHz.
(b)
(21) Change function/arbitrary generator output frequency to 39.5 MHz with a sweep
width of 79,900,000 Hz and sweep from 1 MHz to 80 MHz.
(22) Press TI keys as listed in (a) and (b) below:
TRACE A CLEAR-WRITE.
(a)
MAX HOLD.
(b)
(23) Start a 50 second single sweep of the function/arbitrary generator and wait for
completion of the sweep.
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