TB 9-6625-2340-24
(76) Repeat technique used in (52) through (75) above for remaining settings in table
35. Calculated values will be within the limits specified in table 35.
Table 35. Third Order Intercept
Synthesized signal
Synthesized signal
generator No. 2
generator No. 1
Test instrument
Values
Adjusted
Adjusted
CF
output
output
Center
Step
Peak
Peak
Calculated
Freq.
level
Freq.
level
freq.
size
search
search
Absolute
limit
(GHz)
(dBm)
(GHz)
(dBm)
(GHz)
(MHz)
1
2
value
(dB)
20
20
7
3.9995
4.0005
3.9995
1
20
20
5
8.9995
9.0005
8.9995
1
20
20
5
13.9995
14.0005
13.9995
1
(77) Disconnect equipment setup.
b. Adjustments. None.
23. Out of Band Response
a. Performance Check
(1) Press TI keys as listed in (a) through (c) below:
2-22 GHz.
(a)
CENTER FREQUENCY, 3, GHz.
(b)
FREQUENCY SPAN, 100, kHz.
(c)
(2) Connect TI 10 MHz OUT (rear panel) to synthesized signal generator No. 1 10
MHz REF IN (rear panel).
(3) Connect TI RF INPUT to synthesized signal generator No. 1 RF Output.
(4) Set synthesized signal generator No. 1 for an output frequency of 3.0 GHz at an
output level of 0 dBm.
(5) Press TI MARKER PRESEL PEAK key and wait for (PEAKING!) on TI
to disappear.
(6) Press TI MARKER OFF key.
(7) Adjust synthesized signal generator No. 1 output level to place the peak of the
signal trace at the top TI graticule line.
(8) Press TI keys as listed in (a) through (d) below:
MARKER PEAK SEARCH.
(a)
DISPLAY LINE ENTER, 70, dBm.
(b)
MARKER .
(c)
SWEEP SINGLE.
(d)
(9) Change synthesized signal generator No. 1 output frequency to 3.6428 GHz.
(10) Press TI keys as listed in (a) and (b) below:
SWEEP SINGLE.
(a)
MARKER PEAK SEARCH.
(b)
(11) The marker amplitude indicated on TI display will be within limits specified in
the first row of table 36.