TB 9-6625-2322-24
Table 9. Spectral Purity - Continued
Test instrument
Spectrum analyzer
Maximum
reference frequency
indication
2.1 GHz
2.1 GHz
14.7 GHz
-60
2.1 GHz
2.1 GHz
16.8 GHz
-60
3.6 GHz
3.6 GHz
----------
13
3.6 GHz
3.6 GHz
7.2 GHz
-60
3.6 GHz
3.6 GHz
10.8 GHz
-60
3.6 GHz
3.6 GHz
14.4 GHz
-60
3.6 GHz
3.6 GHz
18.0 GHz
-60
7.0 GHz
7.0 GHz
----------
13
7.0 GHz
7.0 GHz
14.0 GHz
-60
(5) Reduce all outputs to minimum.
(6) Disconnect TI from spectrum analyzer.
b. Adjustments. No further adjustments can be made.
12. Amplitude Modulation
a. Performance Check
(1) Connect equipment as shown in figure 5.
Figure 5. Amplitude modulation hook-up.