Key Reference 4
N9310A User’s Guide 63
FM Waveform Pressing this softkey reveals a submenu of FM waveform
choices.
• Default value: Sine
• Key sequence: > FM Waveform
EXT Coupling Pressing this softkey toggles external modulating signal input
in either AC or DC coupling. A 1.0 V
peak + 2 % input level is
required.
Selecting AC isolates the DC component in the signal, there
is only AC component in the applied signal. The amplitude
will go down without DC component.
Selecting DC allows an integrated external signal with both
DC and AC component entering to the modulator of the
signal generator.
• Default value: AC
• Key sequence: > EXT Coupling
FM
FM
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