TB 9-6625-2340-35
(15) Press TI keys as listed in (a) through (h) below:
DISPLAY LINE ENTER, 100, -dBm.
(a)
(b)
MARKER PEAK SEARCH.
MARKER→CF.
(c)
MARKER/∆→STEP SIZE.
(d)
CENTER FREQUENCY, ⇑.
(e)
(f)
(g)
VIDEO BW, 30, Hz.
(h)
RES BW, 30 Hz.
(16) Wait for ∗ on TI display to disappear.
(17) Press TI MARKER PEAK SEARCH key.
(18) Amplitude indicated on TI display will be within limits specified in table 32.
Test Instrument
Displayed
Center
Displayed
amplitude limit
frequency
(dBm)
800 MHz
Second
< -100
(19) Disconnect signal generator No. 1 RF OUTPUT from the test setup.
(20) Disconnect TI 10 MHz OUT (rear panel) from signal generator No. 1 EXT REF
IN (rear panel).
(21) Connect signal generator No. 3 RF OUTPUT to one end of the 8 GHz low-pass
filter.
(22) Connect TI 10 MHz OUT (rear panel) to signal generator No. 3 EXT REF IN
(rear panel).
(23) Connect TI RF INPUT to the other end of the 8 GHz low-pass filter.
(24) Press TI keys as listed in (a) through (d) below:
(a)
2-22 GHz.
(b)
CENTER FREQUENCY, 7.2, GHz.
(c)
FREQUENCY SPAN, 100, kHz.
(d)
REFERENCE LEVEL, 0, dBm.
(25) Set up signal generator No. 3 for an output frequency of 7.2 GHz at an output
level of 0 dBm.
(26) Adjust signal generator No. 3 output level to position the trace at reference level
(top) graticule line.
(27) Press TI keys as listed in (a) through (g) below:
(a)
MARKER PEAK SEARCH.
MARKER→CF.
(b)
65