1 * switch as negative resistance oscillator
2 * Spice netlister for gnetlist
6 .MODEL SWITCH1 SW VT=2.5 VH=2.475 RON=1 ROFF=10MEG
8 *>.print tran + r(SW1) iter(0) input(sw1) timef(sw1) control(0) i(I1) i(C1)
9 .option method=trap itl6=1000
10 .tran 10e-6 200e-6 trace all