** MOSFET Gain Stage (AC): Benchmarking Implementation of BSIM4.1.0 by Weidong Liu 10/11/2000.

M1 3 2 0 0 N1 L=1u W=4u
Rsource 1 2 100k
Rload 3 vdd 25k

Vdd vdd 0 1.8 
Vin 1 0 1.2 ac 0.1

.ac dec 10 100 1000Meg 
.print ac vdb(3)

.include modelcard.nmos

.end