NMOS Inverter OUTPUT CHARACTERISTICS

.OPTIONS NODE NOPAGE
.width out=80



VDS 3 0 5
VGS 2 0 DC 0 pulse(0 5 0 0.1ns 0.1ns 10ns 20ns)

 
M1 1 2 0 0 MOD1 L=4U W=10U 
M2 1 3 3 0 MOD1 L=4U W=4U 

CL 1 0 0.01pF

.MODEL MOD1 NMOS VTO=1 NSUB=1.0E15 UO=550


* VIDS MEASURES ID, WE COULD HAVE USED VDS, BUT ID WOULD BE NEGATIVE

*VIDS 3 1

.control

*DC VGS 0 5 0.1

tran 0.01ns 30ns


* Commands for Spice3
destroy all

let wn=5

while wn<51


alter @M1[w]=wn*1u

run
*print V(1)
*plot V(1)

let wn=wn+5

end


*plot dc1.V(1) dc2.V(1) dc3.V(1) dc4.V(1) dc5.V(1) dc6.V(1) dc7.V(1) *dc8.V(1) dc9.V(1) dc10.V(1)

plot tran1.V(2) tran1.V(1) tran2.V(1) tran3.V(1) tran4.V(1) tran5.V(1) tran6.V(1) tran7.V(1) tran8.V(1) tran9.V(1) tran10.V(1)

.endc


.END