TB 9-6625-2155-24
9. Single Sideband Phase Noise
a. Performance Check
(1) Connect equipment as shown in figure 2.
Figure 2. Sideband phase noise hookup.
(2) Press TI keys as listed in (a) through (e) below.
RCL 0.
(a)
Adjust OUTPUT LEVEL for 8 dB.
(b)
ALC INTERNAL on.
(c)
RF OUTPUT on.
(d)
FREQUENCY, 5, ., 9, 9, 9, GHz.
(e)
(3) Set spectrum analyzer as listed in (a) through (f).
Preset.
(a)
AMPLITUDE, Ref Level to 8 dBm.
(b)
(c)
All markers off.
FREQUENCY, Center Freq to 5.999 GHz.
(d)
BW, Video BW, and Res BW to Auto.
(e)
SPAN to 1 MHz.
(f)
(4) Allow spectrum analyzer to sweep signal a couple of times then set spectrum
analyzer as listed in (a) through (c) below:
(a) FREQUENCY, Signal Track to On.
(b) SPAN to 2.5 kHz.
(c) BW/Avg, Video BW to 10 Hz.
