Key Reference
F
Chapter 5 147
FM Path 1 2
Supported PSG-A Series
Use this softkey to select FM Path 1 or FM Path 2. FM Path 1 and FM Path 2 define two
standard frequency modulation configurations which can be used together. Configure the
modulation characteristics (such as deviation, source, rate, and waveform) using the
remaining softkeys in the FM menu. Then enable FM by setting
FM Off On to On.
FM Path 1 and FM Path 2 are summed internally for composite modulation. Either path
can be switched to any one of the modulation sources: Internal 1, Internal 2, Ext1, or
Ext2.
Preset FM Path 1
Choices FM Path 1 or FM Path 2
Location Page 235
Remarks FM Path 2 is limited to a maximum rate of 1 MHz. FM Path 2 must be
set to a deviation less than FM Path 1.
FM Rate
Supported PSG-A Series
This softkey enables you to change the internal modulation frequency for the FM Path 1
and FM Path 2 configurations.
Preset Off
Range 0.5 Hz
−
100.0 kHz (minimum increment is 0.5 Hz)
0.5 Hz
−
1.0 MHz (if sinewave is selected as the internal waveform)
Location Page 235
Remarks The new value of FM rate applies only to whichever FM path
configuration you have currently selected.
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