TB 9-6625-2155-35
Table 6. Harmonic Distortion Check - Continued
Spectrum analyzer
Test
indication
instrument
(dB)
Harmonic
frequency
Harmonic
frequency
(GHz)
maximum (≤)
14
4.6667
.33
-35
14
9.3333
.66
-35
16
5.3333
.33
-35
16
10.6667
.66
-35
18
6
6 GHz Sub
-35
18
12
12 GHz Sub
-35
(8) Press TI FREQUENCY, 2.5, and GHZ keys.
resolution bandwidth to 10 kHz, and span to 1 MHz.
(10) Using the spectrum analyzer, verify that all non-harmonic spurious signals
are ≤ 50 dBc TI frequencies listed in table 7.
Test instrument frequency
(GHz)
Spurious signal level
2.500 000
< -50 dBc
3.000 000
< -50 dBc
3.500 000
< -50 dBc
4.500 000
< -50 dBc
5.000 000
< -50 dBc
5.500 000
< -50 dBc
6.500 000
< -50 dBc
(11) Reduce all outputs to minimum and disconnect equipment.
b. Adjustments. No adjustments can be made.
11. RF Output Level
a. Performance Check
(1) Connect equipment as shown in figure 5.
