Fourier Analysis

Vin1 1 0 DC 0 pulse(0V 1V 10n 1ns 1ns 5ns 10n)
Vin2 2 0 DC 0 sin(0V 1V 100Meg 10n)
.TRAN 300p 30n 0 300p

*#run
*#plot V(1) V(2)
*#set nfreqs=20 fourgridsize=300 polydegree=3
*#four 100Meg V(1) V(2)

.END