romel_emperado
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****Library file
.prot
.lib 'rf018.l' tt
.unprot
mn1 a vin- c gnd nch w=1.25u l=0.6u m=2
mn2 b vin+ c gnd nch w=1.25u l=0.6u m=2
mp3 a a vdd vdd pch w=1.25u l=0.6u m=4
mp4 b a vdd vdd pch w=1.25u l=0.6u m=4
mp6 vout b vdd vdd pch w=1.25u l=0.6u m=10
mn7 vout inr gnd gnd nch w=1.25u l=0.6u m=5
mn5 c inr gnd gnd nch w=1.25u l=0.6u m=4
mn10 inr inr gnd gnd nch w=1.25u l=0.6u m=4
mp8 nc gnd b vdd pch w=1.25u l=0.6u m=4
cc nc vout 1p
cL vout gnd 4pf
inr vin+ gnd 100uA
vin vin+ gnd dc 1.8
.TRAN .01us 5us
**.print ac vdb(vout) vp(vout)
.print v(out)
.probe
.END
It's a transisent simulation without an input signal. Consequently, the output is effectively nothing, respectively some numerical "noise".
You'll usually need a pulse voltage source connected to the amplifier input as simulation stimulus.
* supplement an input stimulus, e.g.
vin vin+ gnd pulse (1.7 1.9 1u 10n 10n 2u)
* connect a supply voltage
vsupply vdd gnd dc 3.3 * don't know your intended supply voltage
* connect the negative input somehow
vbias vin- gnd dc 1.8
****Library file
.prot
.lib 'rf018.l' tt
.unprot
mn1 a vin- c gnd nch w=1.25u l=0.6u m=2
mn2 b vin+ c gnd nch w=1.25u l=0.6u m=2
mp3 a a vdd vdd pch w=1.25u l=0.6u m=4
mp4 b a vdd vdd pch w=1.25u l=0.6u m=4
mp6 vout b vdd vdd pch w=1.25u l=0.6u m=10
mn7 vout inr gnd gnd nch w=1.25u l=0.6u m=5
mn5 c inr gnd gnd nch w=1.25u l=0.6u m=4
mn10 inr inr gnd gnd nch w=1.25u l=0.6u m=4
mp8 nc gnd b vdd pch w=1.25u l=0.6u m=4
cc nc vout 1p
cL vout gnd 4pf
inr vin+ gnd 100uA
**vin vin+ gnd dc 1.8
* supplement an input stimulus, e.g.
vinput vin+ gnd pulse (1.7 1.9 1u 10n 10n 2u)
* connect a supply voltage
vsupply vdd gnd dc 1.8 * don't know your intended supply voltage
* connect the negative input somehow
vbias vin- gnd dc 1.8
.TRAN .01us 5us
.print ac vdb(vout) vp(vout)
**.print v(out)
.probe
.END
* supplement an input stimulus, e.g.
vinput vin+ gnd pulse (1.0 1.8 1u 10n 10n 1u)
iref gnd inr 100uA
**** mosfets
subckt
element 0:mn1 0:mn2 0:mp3 0:mp4 0:mp6 0:mn7
model 0:nch.6 0:nch.6 0:pch.2 0:pch.2 0:pch.3 0:nch.3
region Linear Linear Cutoff Cutoff Cutoff Cutoff
id 0. 0. 0. 0. 0. 0.
ibs 0. 0. 0. 0. 0. 0.
ibd 0. 0. 0. 0. 0. 0.
vgs 1.0000 1.0000 -1.258e-25 -1.258e-25 -1.258e-25 0.
vds 0. 0. -1.258e-25 -1.258e-25 -1.037e-25 6.098e-27
vbs 1.596e-26 1.596e-26 0. 0. 0. 0.
vth 441.7815m 441.7815m -440.6253m -440.6253m -458.7893m 483.4310m
vdsat 546.9805m 546.9805m -39.7861m -39.7861m -40.1599m 48.5376m
vod 558.2185m 558.2185m 440.6253m 440.6253m 458.7893m -483.4310m
beta 603.3552u 603.3552u 364.2896u 364.2896u 3.7346m 21.1784m
gam eff 489.6906m 489.6906m 474.0417m 474.0417m 497.9476m 511.7809m
gm 0. 0. 0. 0. 0. 0.
gds 328.7946u 328.7946u 73.7739p 73.7739p 463.2845p 2.6160n
gmb 0. 0. 0. 0. 0. 0.
cdtot 412.3923f 412.3923f 37.5165f 37.5165f 72.5236f 65.3962f
cgtot 434.2865f 434.2865f 315.3773f 315.3773f 140.5260f 141.8799f
cstot 393.4336f 393.4336f 37.5165f 37.5165f 72.5236f 65.3961f
cbtot 130.2816f 130.2816f 356.5620f 356.5620f 219.9824f 199.3773f
cgs 217.6108f 217.6108f 8.4693f 8.4693f 16.4004f 18.3263f
cgd 224.7342f 224.7342f 8.4595f 8.4595f 16.3968f 18.3229f
element 0:mn1 0:mn2 0:mp3 0:mp4 0:mp6 0:mn7
model 0:nch.6 0:nch.6 0:pch.2 0:pch.2 0:pch.3 0:nch.3
region Linear Linear Cutoff Cutoff Cutoff Cutoff
id 0. 0. 0. 0. 0. 0.
ibs 0. 0. 0. 0. 0. 0.
ibd 0. 0. 0. 0. 0. 0.
You can e.g. refer to free LTSpice, it's operation is imple and mostly self-explanatory.
**** mosfets
subckt
element 0:mn1 0:mn2 0:mp3 0:mp4 0:mp6 0:mn7
model 0:nch.1 0:nch.1 0:pch.1 0:pch.1 0:pch.1 0:nch.1
region Cutoff Cutoff Cutoff Cutoff Cutoff Cutoff
id 9.7260p 9.7284p -14.6829p -14.3489p -27.2242p 19.2282p
ibs -63.1200a -63.1200a 2.177e-27 2.122e-27 4.445e-27 -4.437e-27
ibd -93.8972a -98.5662a 97.0416a 93.4603a 259.5994a -3.6416f
vgs 196.1695m 196.1695m -70.0403m -70.0403m -59.1683m 0.
vds 1.0261 1.0370 -70.0403m -59.1683m -333.6232m 1.4664
vbs -703.8305m -703.8305m 0. 0. 0. 0.
vth 610.9404m 610.9375m -438.4653m -438.4678m -438.4060m 436.2262m
vdsat 47.4857m 47.4857m -39.7360m -39.7360m -39.7354m 46.6958m
vod -414.7709m -414.7680m 368.4251m 368.4275m 379.2377m -436.2262m
beta 715.9535u 715.9542u 305.5628u 305.5625u 763.9277u 1.8383m
gam eff 476.8957m 476.8957m 471.5251m 471.5251m 471.5251m 486.3484m
gm 325.5406p 325.6211p 467.0246p 456.3985p 867.0365p 614.0807p
gds 221.5529f 221.6212f 23.2738p 39.9353p 680.4745f 429.1181f
gmb 75.5276p 75.5460p 162.3692p 158.7227p 302.2657p 195.4948p
cdtot 19.6942f 19.6754f 57.2885f 57.4891f 133.0696f 50.4751f
cgtot 309.6570f 309.6570f 853.7838f 853.7839f 2.1457p 1.0774p
cstot 22.2697f 22.2697f 58.6554f 58.6554f 146.6260f 66.0396f
cbtot 322.3067f 322.2879f 917.2468f 917.4472f 2.2942p 1.1206p
cgs 7.3366f 7.3366f 13.1469f 13.1469f 32.8579f 18.3501f
cgd 7.3256f 7.3256f 13.1071f 13.1072f 32.7672f 18.3140f
****Library file
.GLOBAL vdd gnd
vdd vdd gnd 1.8v
vin+ in+ gnd 0.9v ac 0v
vin- in- gnd 0.9v ac 1v
mn1 a in- c gnd nch w=10u l=10u m=2
mn2 b in+ c gnd nch w=10u l=10u m=2
mp3 a a vdd vdd pch w=10u l=10u m=4
mp4 b a vdd vdd pch w=10u l=10u m=4
mp6 vout b vdd vdd pch w=10u l=10u m=10
mn7 vout inr gnd gnd nch w=10u l=10u m=5
mn5 c inr gnd gnd nch w=10u l=10u m=4
mn10 inr inr gnd gnd nch w=10u l=10u m=4
mp8 nc gnd b vdd pch w=10u l=10u m=4
cc nc vout 2p
cL vout gnd 10p
.dc vin+ 0v 1.8v 0.001
.dc vin- 0v 1.8v 0.001
.ac dec 10 10 10000MEG
.PRINT VDB(OUT) vdb(b)
.pz v(vout) vin-
.OP
.prot
.lib 'rf018.l' tt
.unprot
.END
subckt
element 0:mn1 0:mn2 0:mp3 0:mp4 0:mp6 0:mn7
model 0:nch.7 0:nch.7 0ch.3 0 ch.3 0 ch.3 0:nch.3
region Saturati Saturati Saturati Saturati Saturati Saturati
id 16.3634u 16.3634u -16.3634u -16.3634u -100.3136u 100.3136u
ibs -16.3600a -16.3600a 2.373e-21 2.373e-21 1.414e-20 -1.635e-20
ibd -118.9448f -118.9477f 28.5503a 28.5503a 43.5577f -1.6820f
vgs 666.5267m 666.5267m -661.3199m -661.3199m -661.3191m 579.3509m
vds 805.2068m 805.2077m -661.3199m -661.3191m -1.1621 637.9480m
vbs -333.4733m -333.4733m 0. 0. 0. 0.
vth 571.2001m 571.2001m -458.6376m -458.6376m -458.5222m 483.2853m
vdsat 145.8397m 145.8397m -197.1059m -197.1059m -197.1910m 144.6332m
vod 95.3267m 95.3267m -202.6823m -202.6823m -202.7969m 96.0656m
beta 2.0315m 2.0315m 786.6896u 786.6896u 4.7238m 12.5417m
gam eff 514.4371m 514.4371m 497.9475m 497.9475m 497.9475m 511.7809m
gm 210.0875u 210.0875u 136.1976u 136.1976u 831.1747u 1.2800m
gds 759.7002n 759.6999n 779.8758n 779.8764n 3.8068u 5.1897u
gmb 51.6506u 51.6506u 44.9721u 44.9721u 274.5101u 365.6218u
cdtot 5.3057f 5.3057f 13.6929f 13.6929f 74.7989f 33.5716f
cgtot 29.8309f 29.8309f 74.0572f 74.0572f 443.9989f 179.6008f
cstot 34.7983f 34.7983f 89.9642f 89.9642f 539.3131f 216.3502f
cbtot 16.1871f 16.1871f 44.3004f 44.3004f 257.3724f 109.9778f
cgs 25.1562f 25.1562f 66.6724f 66.6724f 400.1557f 148.6861f
cgd 1.8286f 1.8286f 3.6207f 3.6207f 21.6053f 11.0050f
****Library file
.GLOBAL vdd gnd
vdd vdd gnd 1.8v
mn1 a in- c gnd nch w=5u l=1u
mn2 b in+ c gnd nch w=5u l=1u
mp3 a a vdd vdd pch w=11u l=1u
mp4 b a vdd vdd pch w=11u l=1u
mp6 vout b vdd vdd pch w=66u l=1u
mn7 vout inr gnd gnd nch w=30u l=1u
mn5 c inr gnd gnd nch w=10u l=1u
mn10 inr inr gnd gnd nch w=30u l=1u
mp8 nc gnd b vdd pch w=36.8u l=1u
cc nc vout 2p
cL vout gnd 10p
iref vq inr 100uA
* supplement an input stimulus, e.g.
vin vin+ gnd pulse (1.7 1.9 1u 10n 10n 2u)
vin+ in+ gnd dc 1v ac 1v
vin- in- gnd dc 1v ac 0v
.ac dec 10 100 100000MEG
.print vdb(out)
v1 vp vd 0v
v3 vp gnd 1.8v
v4 vq gnd 1.8v
.dc v3 0 1.8 0.1
.dc vin+ 0v 1.8v 0.001
.dc vin- 0v 1.8v 0.001
.OP
.prot
.lib 'rf018.l' tt
.unprot
.END
v1 vp vd 0v
v3 vp gnd 1.8v
v4 vq gnd 1.8v
*Library file
.GLOBAL vdd gnd
vdd vdd gnd 1.8v
mn1 a in- c gnd nch w=5u l=1u
mn2 b in+ c gnd nch w=5u l=1u
mp3 a a vdd vdd pch w=11u l=1u
mp4 b a vdd vdd pch w=11u l=1u
mp6 vout b vdd vdd pch w=66u l=1u
mn7 vout inr gnd gnd nch w=30u l=1u
mn5 c inr gnd gnd nch w=10u l=1u
mn10 inr inr gnd gnd nch w=30u l=1u
mp8 nc gnd b vdd pch w=36.8u l=1u m = 5
cc nc vout 8p
cL vout gnd 10p
iref vq inr 100uA
.
vin vin+ gnd pulse (1.7 1.9 1u 10n 10n 2u)
vin+ in+ gnd dc 1v ac 1v
vin- in- gnd dc 1v ac 0v
.ac dec 10 100 100000MEG
.print vdb(out)
v1 vp vd 0v
v3 vp gnd 1.8v
v4 vq gnd 1.8v
*.dc v3 0 1.8 0.1
*.dc vin+ 0v 1.8v 0.001
*.dc vin- 0v 1.8v 0.001
.OP
.prot
.lib 'rf018.l' tt
.unprot
.option post
.print vdb(vout)
.END
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