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Option 400
1.
2.
3.
Press
ONSTR
PRESET).
4.
Key in the following analyzer settings:
5.
6.
7.
17. Line-Related Sidebands
Tests
Figure 2-31. Line Related Sidebands
Measurement
Press ~NSTR PRESET]. Connect CAL OUTPUT
to SIGNAL INPUT 2.
Press
(ml
8 and adjust AMPTD CAL for a MARKER amplitude
of -10. 00 dBm l
tO.02
dB.
[CENTER FREQUENCY]
.....................................
20 MHz
PREFERENCE
LEVEL]
.......................................
-10 dBm
(FREQUENCY SPAN]
.......................................
3 kHz
Wait for completion of the sweep, then press MARKER
[PEAK
SEARCH],(-).
Press (SHIFT)
[VlDEo]
G,
SWEEP
(-1,
10
cm/Iv
to initiate
video averaging of 10 sweeps. Wait for completion of sweeps.
Press MARKER
SPEAK
SEARCH],@
and position movable marker at
the peak of each line related sideband (400 Hz, 800 Hz, and 1200
Hz). The MARKER A amplitude for each sideband should be
c-75
dB.
400 Hz
800 Hz
1200 Hz
dB
dB
dB
Performance Tests 2-61