lab5d.spx

hspice三天入门教程。其中包含多个lab

* lab5d - 5 stage ring osc w/ .ic
.options list node post
.model pch pmos
.model nch nmos
.tran 1n 10n
.print tran v(1) v(2) i(vcc)
.global vcc
.ic v(1)=0
vcc vcc 0 5
xinv1 1 2_2 inv
xinv2 2_2 3 inv
xinv3 3 4 inv
xinv4 4 5 inv
xinv5 5 1 inv
cd1 1 0 1.75p
.subckt inv 1 2 
m1 vcc 1 2 vcc pch l=1u w=20u
m2 2 1 0 0 nch l=1u w=20u
.ends inv
.end