* Simulation of MESFET output conductance * Taken from macspice3f4 * rd 1 2 20 z1 3 4 0 driver l=1u w=10u rs 5 0 20 vgs 4 0 dc 0.5 ac 0.01 vds 1 0 dc 1.0 vid 2 3 dc 0 .model driver nmf + level=2 *+ jsdf=1e-100 + n=1.44 + rd=0 + rs=0 + vs=1.5e5 + mu=0.25 + d=2e-7 + vto=0.1 + m=2 + lambda=0 + sigma0=0 + delfo=5 + flo=0.5 + tf=100000 + lambdahf=120 .options noacct .ac DEC 10 0.001 1e6 .print ac V(3) .end