ex2_20.cir

As a consequence, more exact models of devices can be retained for analysis rather than the approxi

Ex2_20.CIR - Zener diode spike clipper
.PARAM f=1kHz T={1/f}
vs 1 0 SIN( 0V 10V {f} )
* Set 10V spike at positive peak of vs
vp 2 1 PULSE( 0V 10V {T/4} {T/100} {T/100} 1us {T} )
R  2 3 1ohm
D1 4 3 DMOD ; Zener diode Z1
D2 4 0 DMOD ; Zener diode Z2
RL 3 0 50ohm
.MODEL DMOD D( BV=9.3V IBV=1A )
.TRAN 1us 2ms
.PROBE
.END