TB 9-6625-2322-24
(2) Press TI keys as listed in (a) through (e) below.
(a) SYSTEM, Rest.
(b) OUTPUT off.
(c) Level Control, L0, Edit L0, 1, 0, and dB.
(d) Frequency Control, F0, Edit F0, 1, 0, and GHz.
(e) OUTPUT on.
(3) Set the spectrum analyzer controls as listed in (a) through (e) below.
Span X Scale to 1, 0, MHz.
(a)
FREQUENCY Channel, Center Frequency to 1, 0, MHz.
(b)
BW/Avg, Res BW to 1, MHz.
(c)
Sweep, Sweep Time to Auto.
(d)
Amplitude Y Scale, Ref Level, 1, 0, dBm.
(e)
(4) On the spectrum analyzer measure the worst case harmonic and non-harmonic
signals for the frequencies listed in table 9 and verify that TI less than or equal to the
maximum indications listed.
Table 9. Spectral Purity
Test instrument
Spectrum analyzer
Maximum
frequency
reference frequency
frequency
indication
10
MHz
10
MHz
----------
13
10
MHz
10
MHz
20
MHz
-30
10
MHz
10
MHz
30
MHz
-30
20
MHz
20
MHz
----------
13
20
MHz
20
MHz
40
MHz
-30
20
MHz
20
MHz
60
MHz
-30
30
MHz
30
MHz
----------
13
30
MHz
30
MHz
60
MHz
-30
30
MHz
30
MHz
90
MHz
-30
40
MHz
40
MHz
----------
13
40
MHz
40
MHz
80
MHz
-30
40
MHz
40
MHz
120
MHz
-30
350
MHz
350
MHz
----------
13
350
MHz
350
MHz
700
MHz
-40
350
MHz
350
MHz
1050
MHz
-40
1.6 GHz
1.6 GHz
----------
13
1.6 GHz
1.6 GHz
3.2 GHz
-40
1.6 GHz
1.6 GHz
4.8 GHz
-40
2.1 GHz
2.1 GHz
----------
13
2.1 GHz
2.1 GHz
4.2 GHz
-60
2.1 GHz
2.1 GHz
6.3 GHz
-60
2.1 GHz
2.1 GHz
8.4 GHz
-60
2.1 GHz
2.1 GHz
10.5 GHz
-60
2.1 GHz
2.1 GHz
12.6 GHz
-60
13