General Form:
SFFM(VO VA FC MDI FS)
Examples:
V1 12 0 SFFM(0 1M 20K 5 1K)
parameter default value units
------------------------------------------------------
VO (offset) Volts or Amps
VA (amplitude) Volts or Amps
FC (carrier frequency) 1/TSTOP Hz
MDI (modulation index)
FS (signal frequency) 1/TSTOP Hz
The shape of the waveform is described by the following equation:
| |
V(t)=V + V sin 2 J FC t + MDI sin(2 J FS t)
O A | |