*EE255 SPICE Sample 
*
*
.width in=80 out=80
.options limpts=6000

*Tell spice transistor parameters
.Model qnpn npn IS=1E-15 BF=120 VAF=1e12

* transistor node order is C B E
Q1 4 2 3 qnpn
Vcc 5 0 dc 5
rc 4 5 5.6k
re 3 0 0.6k
r1 2 5 250k
r2 2 0 75k
cc 2 6 10u
Vs 6 0 ac 1e-3
*Output dc op point, ac analysis
.op
.ac lin 3 2000 5000 vs
.print ac vm(4) vp(4)
.END