1 2 stage op-amp, conected as voltage follower 02/16/88
3 m1 3 6 5 8 cmosn w=5u l=5u ad=45p as=45p pd=28u ps=28u nrd=1.8 nrs=1.8
4 m2 4 1 5 8 cmosn w=5u l=5u ad=45p as=45p pd=28u ps=28u nrd=1.8 nrs=1.8
5 m3 3 3 9 9 cmosp w=5u l=5u ad=45p as=45p pd=28u ps=28u nrd=1.8 nrs=1.8
6 m4 4 3 9 9 cmosp w=5u l=5u ad=45p as=45p pd=28u ps=28u nrd=1.8 nrs=1.8
7 m5 5 7 8 8 cmosn w=5u l=5u ad=45p as=45p pd=28u ps=28u nrd=1.8 nrs=1.8
8 m6 6 4 9 9 cmosp w=9u l=5u ad=45p as=45p pd=28u ps=28u nrd=1.8 nrs=1.8
9 m7 6 7 8 8 cmosn w=5u l=5u ad=45p as=45p pd=28u ps=28u nrd=1.8 nrs=1.8
10 m8 7 7 8 8 cmosn w=5u l=5u ad=45p as=45p pd=28u ps=28u nrd=1.8 nrs=1.8
17 vin 1 0 pulse(-1.0 1.0 200u 1u 1u 300u 600u) ac 1
19 .model cmosn nmos (level=2 ld=0.265073u tox=418.0e-10
20 + nsub=1.53142e+16 vto=0.844345 kp=4.15964e-05 gamma=0.863074
21 + phi=0.6 uo=503.521 uexp=0.163917 ucrit=161166
22 + delta=1e-06 vmax=55903.5 xj=0.400000u lambda=0.01
23 + nfs=3.5934e+12 neff=1.001 nss=1e+12 tpg=1.000000
24 + rsh=29.3 cgdo=2.18971e-10 cgso=2.18971e-10
25 + cj=0.0003844 mj=0.488400 cjsw=5.272e-10 mjsw=0.300200 pb=0.700000)
26 .model cmosp pmos (level=2 ld=0.299878u tox=418.0e-10
27 + nsub=4.19363e+15 vto=-0.79089 kp=1.64047e-05 gamma=0.451645
28 + phi=0.6 uo=198.577 uexp=0.343935 ucrit=110988
29 + delta=0.956806 vmax=41456.3 xj=0.400000u lambda=0.02
30 + nfs=1e+12 neff=1.001 nss=1e+12 tpg=-1.000000
31 + rsh=107.6 cgdo=2.47722e-10 cgso=2.47722e-10
32 + cj=0.0002281 mj=0.508000 cjsw=3.077e-10 mjsw=0.193500 pb=0.740000)
35 .options dampstrategy=11
36 .options trsteporder=3
37 .options includepath=.
39 .print op iter(0) v(1 3 4 5 6 7 8 9)
42 .plot ac vdb(6) (-90,30) vp(6) (-180,180)
48 *dc start stop stepsize
50 .plot tran v(6) (-4,4)