Configuring the Signal in the RF Domain
R&S
®
SMW200A
508User Manual 1175.6632.02 ─ 16
FM
Provides the settings for the frequency modulation.
Figure 7-20: Analog Modulation > FM
Deviation ← FM
Sets the frequency modulation deviation in Hz.
The maximal deviation depends on the RF frequency and the selected modulation
mode (see data sheet).
Maximal possible deviation is selected automatically, if one of the following applies:
●
The selected deviation is too high for the particular frequency
●
The selected frequency is outside of the range where deviation is possible.
A warning message indicates this situation, too.
Remote command:
[:SOURce<hw>]:FM<ch>[:DEViation] on page 875
Ratio Path2/Path1 ← FM
Sets the deviation ratio (path2 to path1) in per cent.
Example:
If the deviation in path1 is 10 kHz and the ratio is 50%, the deviation in path 2 is auto-
matically set to 5 kHz.
Remote command:
[:SOURce<hw>]:FM:RATio on page 876
Mode ← FM
Selects the mode of the frequency modulation.
"Normal"
The maximum range for modulation bandwidth is available.
Analog Modulations
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