Colpitt's Oscillator Circuit r1 1 0 1 q1 2 1 3 qmod area = 100p vcc 4 0 5 rl 4 2 750 c1 2 3 500p c2 4 3 4500p l1 4 2 5uH re 3 6 4.65k vee 6 0 dc -15 pwl 0 -15 1e-9 -10 .tran 30n 12u .print tran v(2) .model qmod nbjt level=1 + x.mesh node=1 loc=0.0 + x.mesh node=61 loc=3.0 + region num=1 material=1 + material num=1 silicon nbgnn=1e17 nbgnp=1e17 + mobility material=1 concmod=sg fieldmod=sg + mobility material=1 elec major + mobility material=1 elec minor + mobility material=1 hole major + mobility material=1 hole minor + doping unif n.type conc=1e17 x.l=0.0 x.h=1.0 + doping unif p.type conc=1e16 x.l=0.0 x.h=1.5 + doping unif n.type conc=1e15 x.l=0.0 x.h=3.0 + models bgnw srh conctau auger concmob fieldmob + options base.length=1.0 base.depth=1.25 .options acct bypass=1 .end