Modulation
Source
Terminate
If Needed
son
Termination
Output
Deviee
Figure 4-10. AM/SeM Setup
NOTE
Failing ta properly termlnate the Modulation Source at the
AM
IN
connector could cause inaccurate modulation levels.
Also
see:
Amplitude
MAIN
OUT
Frequency
Mode
SCM (Suppressed Carrier Modulation)
seM
produces an output whose level is dependent on the modulation input signal. With
OV
input or no modulation input, the
MAIN
OUT signal is OVp-p. For full programmed
output, drive the
AM
IN with 2.5V. +2.5V
produces
an
in
phase
output,
and
-2.5V
generates an
out
of
phase output.
Front Panel Operation Reference 4-15
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