M
Michael Robinson
- Jan 1, 1970
- 0
I'm trying to analyze this circuit's step response. It's a current source,
with the output at the drain of M14.
This is a modification of an earlier circuit that I wanted to improve the
stability of. That circuit didn't have mosfet M16, just a wire connecting
M9's drain to M15's source.
It range in response to switching. It's because of huge gain in the loop
that goes around M6, M11 and M14.
I'm trying to explain why M16 has a stabilizing effect.
It looks like signals go through M16 in both directions. As far as the
siignal through the feedback loop I mentioned, the signal travels from M16's
drain to its source. M16 acts like a low pass filter in this case, because
there's no parasitic capacitance from the drain to the source; as far as the
feedback signal is concerned M16 is a common base amplifier in which all the
parasitic capacitances go to ground (whether to the base or to the bulk) so
together with the mosfet's output resistance, it forms a low-pass filter. Is
this a valid explanation?
Here's an LTSpice netlist
Version 4
SHEET 1 3160 752
WIRE 352 -256 256 -256
WIRE 368 -256 352 -256
WIRE 560 -256 368 -256
WIRE 576 -256 560 -256
WIRE 768 -256 576 -256
WIRE 784 -256 768 -256
WIRE 976 -256 784 -256
WIRE 1184 -256 976 -256
WIRE 1200 -256 1184 -256
WIRE 688 -192 496 -192
WIRE 1104 -192 688 -192
WIRE 368 -176 368 -256
WIRE 560 -176 560 -256
WIRE 432 -160 416 -160
WIRE 496 -160 496 -192
WIRE 496 -160 432 -160
WIRE 512 -160 496 -160
WIRE 768 -160 768 -256
WIRE 1184 -160 1184 -256
WIRE 688 -144 688 -192
WIRE 720 -144 688 -144
WIRE 1104 -144 1104 -192
WIRE 1136 -144 1104 -144
WIRE 352 -128 352 -256
WIRE 368 -128 352 -128
WIRE 576 -128 576 -256
WIRE 576 -128 560 -128
WIRE 784 -112 784 -256
WIRE 784 -112 768 -112
WIRE 1200 -112 1200 -256
WIRE 1200 -112 1184 -112
WIRE 432 -80 432 -160
WIRE 432 -80 368 -80
WIRE 976 -48 976 -256
WIRE 368 -32 368 -80
WIRE 368 -32 288 -32
WIRE 368 -16 368 -32
WIRE 976 0 912 0
WIRE 384 32 368 32
WIRE 1120 32 1024 32
WIRE 1184 32 1184 -64
WIRE 1184 32 1120 32
WIRE 288 64 288 -32
WIRE 320 64 288 64
WIRE 976 80 976 48
WIRE 992 128 976 128
WIRE 1184 128 1184 32
WIRE 928 160 -64 160
WIRE 1200 176 1184 176
WIRE 256 208 256 -256
WIRE 560 208 560 -80
WIRE 624 208 560 208
WIRE 768 208 768 -64
WIRE 1136 208 768 208
WIRE 560 224 560 208
WIRE 768 224 768 208
WIRE 976 224 976 176
WIRE -64 272 -64 160
WIRE 560 272 544 272
WIRE 784 272 768 272
WIRE 992 272 992 128
WIRE 992 272 976 272
WIRE 624 304 624 208
WIRE 624 304 608 304
WIRE 720 304 624 304
WIRE 368 320 368 80
WIRE 368 320 320 320
WIRE 720 336 720 304
WIRE 928 336 928 304
WIRE 928 336 720 336
WIRE 368 352 368 320
WIRE 560 352 560 320
WIRE 768 352 768 320
WIRE 976 352 976 320
WIRE 976 352 768 352
WIRE 128 384 0 384
WIRE 384 400 384 32
WIRE 384 400 368 400
WIRE 544 400 544 272
WIRE 560 400 544 400
WIRE 784 400 784 272
WIRE 784 400 768 400
WIRE 992 400 992 272
WIRE 992 400 976 400
WIRE 1120 400 1120 32
WIRE 320 432 320 320
WIRE 624 432 624 304
WIRE 624 432 608 432
WIRE 720 432 624 432
WIRE 1152 448 1120 448
WIRE 720 464 720 432
WIRE 928 464 928 432
WIRE 928 464 720 464
WIRE 128 480 128 384
WIRE 1072 480 128 480
WIRE -64 512 -64 352
WIRE 0 512 0 464
WIRE 0 512 -64 512
WIRE 256 512 256 288
WIRE 256 512 0 512
WIRE 304 512 256 512
WIRE 368 512 368 448
WIRE 368 512 304 512
WIRE 384 512 384 400
WIRE 384 512 368 512
WIRE 544 512 544 400
WIRE 544 512 384 512
WIRE 560 512 560 448
WIRE 560 512 544 512
WIRE 768 512 768 448
WIRE 768 512 560 512
WIRE 784 512 784 400
WIRE 784 512 768 512
WIRE 912 512 912 0
WIRE 912 512 784 512
WIRE 976 512 976 448
WIRE 976 512 912 512
WIRE 992 512 992 400
WIRE 992 512 976 512
WIRE 1120 512 1120 496
WIRE 1120 512 992 512
WIRE 1152 512 1152 448
WIRE 1152 512 1120 512
WIRE 1184 512 1184 224
WIRE 1184 512 1152 512
WIRE 1200 512 1200 176
WIRE 1200 512 1184 512
FLAG 304 512 0
SYMBOL pmos4 416 -80 R180
SYMATTR InstName M1
SYMATTR Value CMOSP
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 608 224 M0
SYMATTR InstName M2
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL voltage 256 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL nmos4 608 352 M0
SYMATTR InstName M3
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL pmos4 512 -80 M180
SYMATTR InstName M4
SYMATTR Value CMOSP
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 320 352 R0
SYMATTR InstName M5
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 720 224 R0
SYMATTR InstName M6
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 720 352 R0
SYMATTR InstName M7
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 928 352 R0
SYMATTR InstName M9
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL pmos4 720 -64 M180
SYMATTR InstName M10
SYMATTR Value CMOSP
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 1136 128 R0
SYMATTR InstName M11
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL pmos4 1136 -64 M180
SYMATTR InstName M13
SYMATTR Value CMOSP
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 1024 -48 M0
SYMATTR InstName M14
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL voltage -64 256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 3.3 0 10n 10n 1u 2u)
SYMBOL nmos4 1072 400 R0
SYMATTR InstName M12
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 928 80 R0
SYMATTR InstName M15
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL voltage 0 368 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(3.3 0 0 10n 10n 1u 2u)
SYMBOL nmos4 320 -16 R0
SYMATTR InstName M8
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 928 224 R0
SYMATTR InstName M16
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
TEXT 1296 -216 Left 2 !.MODEL CMOSN NMOS (
LEVEL = 49\n+VERSION = 3.1 TNOM = 27 TOX =
9.3E-9\n+XJ = 1.5E-7 NCH = 1.7E17 VTH0 =
0.5637114\n+K1 = 0.8583586 K2 = -0.0589493 K3
= -2.7574793\n+K3B = 1.1436533 W0 = 1E-8 NLX
= 1.564468E-7\n+DVT0W = 0 DVT1W = 0 DVT2W =
0\n+DVT0 = 0.477499 DVT1 = 0.2847938 DVT2
= -0.3800695\n+U0 = 439.1496114 UA = 1.002561E-13 UB
= 1.939998E-18\n+UC = 5.397035E-11 VSAT = 9.657595E4 A0 =
1.0779238\n+AGS = 0.217566 B0 = 9.363617E-7 B1 =
5E-6\n+KETA = -4.775643E-3 A1 = 1.963373E-4 A2 = 1\n+RDSW
= 645.5504862 PRWG = 2.192005E-14 PRWB = -0.1195021\n+WR = 1
WINT = 9.644098E-8 LINT = 9.038343E-8\n+DWG = -1.724548E-8
DWB = -8.255139E-9 VOFF = -0.15\n+NFACTOR = 2.5 CIT
= 0 CDSC = 2.4E-4\n+CDSCD = 0 CDSCB = 0
ETA0 = 1\n+ETAB = -0.0136728 DSUB = 1.1083961 PCLM =
0.9566763\n+PDIBLC1 = 2.227565E-3 PDIBLC2 = 4.305101E-3 PDIBLCB
= -0.0336439\n+DROUT = 0.0499231 PSCBE1 = 3.326709E8 PSCBE2 =
4.836604E-6\n+PVAG = 0.1980844 DELTA = 0.01 RSH =
4.3\n+MOBMOD = 1 PRT = 0 UTE = -1.5\n+KT1
= -0.11 KT1L = 0 KT2 = 0.022\n+UA1 =
4.31E-9 UB1 = -7.61E-18 UC1 = -5.6E-11\n+AT = 3.3E4
WL = 0 WLN = 1\n+WW = 0 WWN = 1
WWL = 0\n+LL = 0 LLN = 1 LW =
0\n+LWN = 1 LWL = 0 CAPMOD = 2\n+XPART
= 0.5 CGDO = 3.66E-10 CGSO = 3.66E-10\n+CGBO =
5E-9 CJ = 8.715889E-4 PB = 0.8\n+MJ = 0.3775434
CJSW = 3.052507E-12 PBSW = 0.99\n+MJSW = 0.1 CJSWG =
1.64E-10 PBSWG = 0.99\n+MJSWG = 0.1 CF = 0
PVTH0 = 4.360674E-3\n+PRDSW = -34.2830939 PK2 = -7.347883E-3
WKETA = -0.0101632\n+LKETA = -0.0452784 )
TEXT 2216 -208 Left 2 !.MODEL CMOSP PMOS (
LEVEL = 49\n+VERSION = 3.1 TNOM = 27 TOX =
9.3E-9\n+XJ = 1.5E-7 NCH = 1.7E17 VTH0
= -0.5312756\n+K1 = 0.8888297 K2 = -0.1 K3
= 0\n+K3B = 4.096543 W0 = 1E-8 NLX =
1E-9\n+DVT0W = 0 DVT1W = 0 DVT2W = 0\n+DVT0
= 0.5419169 DVT1 = 0.4884952 DVT2 = -0.3\n+U0 =
142.0772561 UA = 2.074059E-9 UB = 1E-21\n+UC
= -1.44971E-12 VSAT = 1.223249E5 A0 = 0.6650794\n+AGS
= 0.2234747 B0 = 1.651818E-6 B1 = 5E-6\n+KETA
= -0.0158936 A1 = 7.712214E-3 A2 = 0.3452462\n+RDSW =
3E3 PRWG = -0.0851397 PRWB = -0.0758646\n+WR = 1
WINT = 6.773561E-8 LINT = 1.168451E-7\n+DWG = -1.932882E-8
DWB = 1.539111E-8 VOFF = -0.0361606\n+NFACTOR = 0.8753188 CIT
= 0 CDSC = 2.4E-4\n+CDSCD = 0 CDSCB = 0
ETA0 = 8.554076E-7\n+ETAB = -3.330273E-4 DSUB = 0.0540144
PCLM = 1.4696174\n+PDIBLC1 = 0.0346353 PDIBLC2 = 3.22993E-3
PDIBLCB = -0.1\n+DROUT = 0.9340703 PSCBE1 = 1E8 PSCBE2 =
5.032622E-10\n+PVAG = 0.0150037 DELTA = 0.01 RSH =
2.8\n+MOBMOD = 1 PRT = 0 UTE = -1.5\n+KT1
= -0.11 KT1L = 0 KT2 = 0.022\n+UA1 =
4.31E-9 UB1 = -7.61E-18 UC1 = -5.6E-11\n+AT = 3.3E4
WL = 0 WLN = 1\n+WW = 0 WWN = 1
WWL = 0\n+LL = 0 LLN = 1 LW =
0\n+LWN = 1 LWL = 0 CAPMOD = 2\n+XPART
= 0.5 CGDO = 5.6E-10 CGSO = 5.6E-10\n+CGBO = 5E-9
CJ = 9.837583E-4 PB = 0.5275652\n+MJ = 0.2031333 CJSW
= 1E-14 PBSW = 0.5\n+MJSW = 0.99 CJSWG = 6.4E-11
PBSWG = 0.5\n+MJSWG = 0.99 CF = 0 PVTH0 =
5.98016E-3\n+PRDSW = 14.8598424 PK2 = 3.73981E-3 WKETA
= -2.436418E-3\n+LKETA = -2.512206E-3 )
TEXT 616 56 Left 2 !.tran 10u
with the output at the drain of M14.
This is a modification of an earlier circuit that I wanted to improve the
stability of. That circuit didn't have mosfet M16, just a wire connecting
M9's drain to M15's source.
It range in response to switching. It's because of huge gain in the loop
that goes around M6, M11 and M14.
I'm trying to explain why M16 has a stabilizing effect.
It looks like signals go through M16 in both directions. As far as the
siignal through the feedback loop I mentioned, the signal travels from M16's
drain to its source. M16 acts like a low pass filter in this case, because
there's no parasitic capacitance from the drain to the source; as far as the
feedback signal is concerned M16 is a common base amplifier in which all the
parasitic capacitances go to ground (whether to the base or to the bulk) so
together with the mosfet's output resistance, it forms a low-pass filter. Is
this a valid explanation?
Here's an LTSpice netlist
Version 4
SHEET 1 3160 752
WIRE 352 -256 256 -256
WIRE 368 -256 352 -256
WIRE 560 -256 368 -256
WIRE 576 -256 560 -256
WIRE 768 -256 576 -256
WIRE 784 -256 768 -256
WIRE 976 -256 784 -256
WIRE 1184 -256 976 -256
WIRE 1200 -256 1184 -256
WIRE 688 -192 496 -192
WIRE 1104 -192 688 -192
WIRE 368 -176 368 -256
WIRE 560 -176 560 -256
WIRE 432 -160 416 -160
WIRE 496 -160 496 -192
WIRE 496 -160 432 -160
WIRE 512 -160 496 -160
WIRE 768 -160 768 -256
WIRE 1184 -160 1184 -256
WIRE 688 -144 688 -192
WIRE 720 -144 688 -144
WIRE 1104 -144 1104 -192
WIRE 1136 -144 1104 -144
WIRE 352 -128 352 -256
WIRE 368 -128 352 -128
WIRE 576 -128 576 -256
WIRE 576 -128 560 -128
WIRE 784 -112 784 -256
WIRE 784 -112 768 -112
WIRE 1200 -112 1200 -256
WIRE 1200 -112 1184 -112
WIRE 432 -80 432 -160
WIRE 432 -80 368 -80
WIRE 976 -48 976 -256
WIRE 368 -32 368 -80
WIRE 368 -32 288 -32
WIRE 368 -16 368 -32
WIRE 976 0 912 0
WIRE 384 32 368 32
WIRE 1120 32 1024 32
WIRE 1184 32 1184 -64
WIRE 1184 32 1120 32
WIRE 288 64 288 -32
WIRE 320 64 288 64
WIRE 976 80 976 48
WIRE 992 128 976 128
WIRE 1184 128 1184 32
WIRE 928 160 -64 160
WIRE 1200 176 1184 176
WIRE 256 208 256 -256
WIRE 560 208 560 -80
WIRE 624 208 560 208
WIRE 768 208 768 -64
WIRE 1136 208 768 208
WIRE 560 224 560 208
WIRE 768 224 768 208
WIRE 976 224 976 176
WIRE -64 272 -64 160
WIRE 560 272 544 272
WIRE 784 272 768 272
WIRE 992 272 992 128
WIRE 992 272 976 272
WIRE 624 304 624 208
WIRE 624 304 608 304
WIRE 720 304 624 304
WIRE 368 320 368 80
WIRE 368 320 320 320
WIRE 720 336 720 304
WIRE 928 336 928 304
WIRE 928 336 720 336
WIRE 368 352 368 320
WIRE 560 352 560 320
WIRE 768 352 768 320
WIRE 976 352 976 320
WIRE 976 352 768 352
WIRE 128 384 0 384
WIRE 384 400 384 32
WIRE 384 400 368 400
WIRE 544 400 544 272
WIRE 560 400 544 400
WIRE 784 400 784 272
WIRE 784 400 768 400
WIRE 992 400 992 272
WIRE 992 400 976 400
WIRE 1120 400 1120 32
WIRE 320 432 320 320
WIRE 624 432 624 304
WIRE 624 432 608 432
WIRE 720 432 624 432
WIRE 1152 448 1120 448
WIRE 720 464 720 432
WIRE 928 464 928 432
WIRE 928 464 720 464
WIRE 128 480 128 384
WIRE 1072 480 128 480
WIRE -64 512 -64 352
WIRE 0 512 0 464
WIRE 0 512 -64 512
WIRE 256 512 256 288
WIRE 256 512 0 512
WIRE 304 512 256 512
WIRE 368 512 368 448
WIRE 368 512 304 512
WIRE 384 512 384 400
WIRE 384 512 368 512
WIRE 544 512 544 400
WIRE 544 512 384 512
WIRE 560 512 560 448
WIRE 560 512 544 512
WIRE 768 512 768 448
WIRE 768 512 560 512
WIRE 784 512 784 400
WIRE 784 512 768 512
WIRE 912 512 912 0
WIRE 912 512 784 512
WIRE 976 512 976 448
WIRE 976 512 912 512
WIRE 992 512 992 400
WIRE 992 512 976 512
WIRE 1120 512 1120 496
WIRE 1120 512 992 512
WIRE 1152 512 1152 448
WIRE 1152 512 1120 512
WIRE 1184 512 1184 224
WIRE 1184 512 1152 512
WIRE 1200 512 1200 176
WIRE 1200 512 1184 512
FLAG 304 512 0
SYMBOL pmos4 416 -80 R180
SYMATTR InstName M1
SYMATTR Value CMOSP
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 608 224 M0
SYMATTR InstName M2
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL voltage 256 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL nmos4 608 352 M0
SYMATTR InstName M3
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL pmos4 512 -80 M180
SYMATTR InstName M4
SYMATTR Value CMOSP
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 320 352 R0
SYMATTR InstName M5
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 720 224 R0
SYMATTR InstName M6
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 720 352 R0
SYMATTR InstName M7
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 928 352 R0
SYMATTR InstName M9
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL pmos4 720 -64 M180
SYMATTR InstName M10
SYMATTR Value CMOSP
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 1136 128 R0
SYMATTR InstName M11
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL pmos4 1136 -64 M180
SYMATTR InstName M13
SYMATTR Value CMOSP
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 1024 -48 M0
SYMATTR InstName M14
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL voltage -64 256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 3.3 0 10n 10n 1u 2u)
SYMBOL nmos4 1072 400 R0
SYMATTR InstName M12
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 928 80 R0
SYMATTR InstName M15
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL voltage 0 368 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(3.3 0 0 10n 10n 1u 2u)
SYMBOL nmos4 320 -16 R0
SYMATTR InstName M8
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
SYMBOL nmos4 928 224 R0
SYMATTR InstName M16
SYMATTR Value CMOSN
SYMATTR Value2 l=1u w=100u m=1
TEXT 1296 -216 Left 2 !.MODEL CMOSN NMOS (
LEVEL = 49\n+VERSION = 3.1 TNOM = 27 TOX =
9.3E-9\n+XJ = 1.5E-7 NCH = 1.7E17 VTH0 =
0.5637114\n+K1 = 0.8583586 K2 = -0.0589493 K3
= -2.7574793\n+K3B = 1.1436533 W0 = 1E-8 NLX
= 1.564468E-7\n+DVT0W = 0 DVT1W = 0 DVT2W =
0\n+DVT0 = 0.477499 DVT1 = 0.2847938 DVT2
= -0.3800695\n+U0 = 439.1496114 UA = 1.002561E-13 UB
= 1.939998E-18\n+UC = 5.397035E-11 VSAT = 9.657595E4 A0 =
1.0779238\n+AGS = 0.217566 B0 = 9.363617E-7 B1 =
5E-6\n+KETA = -4.775643E-3 A1 = 1.963373E-4 A2 = 1\n+RDSW
= 645.5504862 PRWG = 2.192005E-14 PRWB = -0.1195021\n+WR = 1
WINT = 9.644098E-8 LINT = 9.038343E-8\n+DWG = -1.724548E-8
DWB = -8.255139E-9 VOFF = -0.15\n+NFACTOR = 2.5 CIT
= 0 CDSC = 2.4E-4\n+CDSCD = 0 CDSCB = 0
ETA0 = 1\n+ETAB = -0.0136728 DSUB = 1.1083961 PCLM =
0.9566763\n+PDIBLC1 = 2.227565E-3 PDIBLC2 = 4.305101E-3 PDIBLCB
= -0.0336439\n+DROUT = 0.0499231 PSCBE1 = 3.326709E8 PSCBE2 =
4.836604E-6\n+PVAG = 0.1980844 DELTA = 0.01 RSH =
4.3\n+MOBMOD = 1 PRT = 0 UTE = -1.5\n+KT1
= -0.11 KT1L = 0 KT2 = 0.022\n+UA1 =
4.31E-9 UB1 = -7.61E-18 UC1 = -5.6E-11\n+AT = 3.3E4
WL = 0 WLN = 1\n+WW = 0 WWN = 1
WWL = 0\n+LL = 0 LLN = 1 LW =
0\n+LWN = 1 LWL = 0 CAPMOD = 2\n+XPART
= 0.5 CGDO = 3.66E-10 CGSO = 3.66E-10\n+CGBO =
5E-9 CJ = 8.715889E-4 PB = 0.8\n+MJ = 0.3775434
CJSW = 3.052507E-12 PBSW = 0.99\n+MJSW = 0.1 CJSWG =
1.64E-10 PBSWG = 0.99\n+MJSWG = 0.1 CF = 0
PVTH0 = 4.360674E-3\n+PRDSW = -34.2830939 PK2 = -7.347883E-3
WKETA = -0.0101632\n+LKETA = -0.0452784 )
TEXT 2216 -208 Left 2 !.MODEL CMOSP PMOS (
LEVEL = 49\n+VERSION = 3.1 TNOM = 27 TOX =
9.3E-9\n+XJ = 1.5E-7 NCH = 1.7E17 VTH0
= -0.5312756\n+K1 = 0.8888297 K2 = -0.1 K3
= 0\n+K3B = 4.096543 W0 = 1E-8 NLX =
1E-9\n+DVT0W = 0 DVT1W = 0 DVT2W = 0\n+DVT0
= 0.5419169 DVT1 = 0.4884952 DVT2 = -0.3\n+U0 =
142.0772561 UA = 2.074059E-9 UB = 1E-21\n+UC
= -1.44971E-12 VSAT = 1.223249E5 A0 = 0.6650794\n+AGS
= 0.2234747 B0 = 1.651818E-6 B1 = 5E-6\n+KETA
= -0.0158936 A1 = 7.712214E-3 A2 = 0.3452462\n+RDSW =
3E3 PRWG = -0.0851397 PRWB = -0.0758646\n+WR = 1
WINT = 6.773561E-8 LINT = 1.168451E-7\n+DWG = -1.932882E-8
DWB = 1.539111E-8 VOFF = -0.0361606\n+NFACTOR = 0.8753188 CIT
= 0 CDSC = 2.4E-4\n+CDSCD = 0 CDSCB = 0
ETA0 = 8.554076E-7\n+ETAB = -3.330273E-4 DSUB = 0.0540144
PCLM = 1.4696174\n+PDIBLC1 = 0.0346353 PDIBLC2 = 3.22993E-3
PDIBLCB = -0.1\n+DROUT = 0.9340703 PSCBE1 = 1E8 PSCBE2 =
5.032622E-10\n+PVAG = 0.0150037 DELTA = 0.01 RSH =
2.8\n+MOBMOD = 1 PRT = 0 UTE = -1.5\n+KT1
= -0.11 KT1L = 0 KT2 = 0.022\n+UA1 =
4.31E-9 UB1 = -7.61E-18 UC1 = -5.6E-11\n+AT = 3.3E4
WL = 0 WLN = 1\n+WW = 0 WWN = 1
WWL = 0\n+LL = 0 LLN = 1 LW =
0\n+LWN = 1 LWL = 0 CAPMOD = 2\n+XPART
= 0.5 CGDO = 5.6E-10 CGSO = 5.6E-10\n+CGBO = 5E-9
CJ = 9.837583E-4 PB = 0.5275652\n+MJ = 0.2031333 CJSW
= 1E-14 PBSW = 0.5\n+MJSW = 0.99 CJSWG = 6.4E-11
PBSWG = 0.5\n+MJSWG = 0.99 CF = 0 PVTH0 =
5.98016E-3\n+PRDSW = 14.8598424 PK2 = 3.73981E-3 WKETA
= -2.436418E-3\n+LKETA = -2.512206E-3 )
TEXT 616 56 Left 2 !.tran 10u