TB 9-6625-2340-35
(3) Connect TI 10 MHz OUT (rear panel) to signal generator No. 1 EXT REF IN
(rear panel).
(4) Connect TI RF INPUT to the other end of the 250 MHz low pass filter.
(5) Set up signal generator No. 1 for an output frequency of 230 MHz at an output
level of -30 dBm.
(6) Adjust signal generator No. 1 output level to position the trace at reference level
(top) graticule line.
(7) Press TI keys as listed in (a) through (i) below:
DISPLAY LINE ENTER, 110, -dBm.
(a)
(b)
MARKER PEAK SEARCH.
MARKER→CF.
(c)
MARKER/∆→STEP SIZE.
(d)
(e)
CENTER FREQUENCY.
⇑.
(f)
(g)
FREQUENCY SPAN, 10, kHz.
(h)
VIDEO BW, 30, Hz.
(i)
RES BW, 30 Hz.
(8) Wait for ∗ on TI display to disappear.
(9) Press TI MARKER PEAK SEARCH key.
(10) Amplitude indicated on TI display will be within limits specified in table 31.
Test instrument
Displayed
Center
Displayed
amplitude limit
frequency
(dBm)
230 MHz
Second
< -110
(11) Replace the 250 MHz low pass filter with the 1200 MHz low pass filter.
(12) Press TI keys as listed in (a) through (d) below:
(a)
2-22 GHz.
(b)
CENTER FREQUENCY, 800, MHz.
(c)
SPAN, 100, kHz.
REFERENCE LEVEL, 30, -dBm.
(d)
(13) Set up signal generator No. 1 for an output frequency of 800 MHz at an output
level of -30 dBm.
(14) Adjust signal generator No. 1 output level to position the trace at reference level
(top) graticule line.
64