TB 9-6625-2155-24
(2) Press TI keys as listed in (a) through (e) below.
RCL 0.
(a)
Adjust OUTPUT LEVEL for -3 dB.
(b)
ALC INTERNAL on.
(c)
RF OUTPUT on.
(d)
FREQUENCY, 2, GHz.
(e)
(3) Set spectrum analyzer controls as listed in (a) through (g).
Preset.
(a)
AMPLITUDE, Ref Level to 3 dBm.
(b)
Video BW to Auto.
(c)
Res BW to 10 kHz.
(d)
SPAN to 1 MHz.
(e)
(f)
All markers off.
FREQUENCY, Center Freq to 2 GHz.
(g)
(4) Allow the display to sweep a few times then set spectrum analyzer as listed in
(a) through (d).
Peak Search.
(a)
Marker , Marker CF.
(b)
Marker Delta.
(c)
(d)
(5) The spectrum analyzer Mkr
will indicate less than or equal to the minimum
limit listed in table 6.
(6) Set TI frequency to next frequency listed in table 6 and repeat (3) (f)
through (5) above.
(7) Repeat (6) above for remaining frequencies listed in table 6.
Table 6. Harmonic Distortion Check
Spectrum analyzer
Test
indication
instrument
(dB)
frequency
maximum ( )
(GHz)
frequency
2
4
2nd
-40
4
8
2nd
-40
6
12
2nd
-40
8
16
2nd
-40
8
4
.5
-35
10
5
.5
-35
12
6
.5
-35
10