* SPICE netlist
LG 2 4 7.5e-09
LS 12 0 7.5e-09
LD 6 1 4.5e-09
RG 4 5 4.399
RS 9 12 0.636e-03
RD 7 6 0.221e-02
RJ 8 7 0.112e-03
CGS 5 9 0.454e-08
CGD 7 10 0.196e-08
CK 11 7 0.546e-09
DGD 11 7 DGD
DBS 12 6 DBS
DBD 9 7 DBD
MOS 13 5 9 9 MOS l=1u w=1u
E1 10 5 101 0 1
E2 11 5 102 0 1
E3 8 13 POLY(2) 6 8 6 12 0 0 0 0 0.992E-01
G1 0 100 7 5 1
D1 100 101 DID
D2 102 100 DID
R1 101 0 1Meg
R2 102 0 1Meg
V1 2 0 SINE(0 10 60)
V2 1 0 5
+ LEVEL = 3
+ VTO = 4.071
+ PHI = 0.837
+ IS = 0.1E-12
+ JS = 0
+ THETA = 0.726E-02
+ KP = 347.458
+ ETA = 0.499E-02
+ IS = 0.1E-12
+ CJO = 0.248E-10
+ VJ = 0.821
+ M = 0.596
+ IS = 0.1E-12
+ CJO = 0.917E-10
+ VJ = 0.955
+ M = 0.258
+ IS = 0.1E-12
+ BV = 80
+ N = 1
+ TT = 0.734E-07
+ RS = 0.295E-02
+ IS = 0.01E-12
+ RS = 0
+ BV = 85
.tran 100m

* LTspice schematic (.asc)
Version 4
SHEET 1 1168 1248
WIRE 360 -608 360 -624
WIRE 360 -576 360 -608
WIRE 584 -576 360 -576
WIRE 360 -560 360 -576
WIRE 360 -464 360 -480
WIRE 392 -464 360 -464
WIRE 536 -464 392 -464
WIRE 360 -448 360 -464
WIRE 72 -352 -232 -352
WIRE 152 -352 72 -352
WIRE 200 -352 152 -352
WIRE 360 -352 360 -368
WIRE 360 -352 200 -352
WIRE 392 -352 360 -352
WIRE 456 -352 392 -352
WIRE 200 -336 200 -352
WIRE 72 -320 72 -352
WIRE 152 -320 152 -352
WIRE 360 -304 360 -352
WIRE 456 -256 456 -352
WIRE -8 -240 -56 -240
WIRE 24 -240 -8 -240
WIRE -8 -224 -8 -240
WIRE 72 -224 72 -256
WIRE 152 -224 152 -256
WIRE 152 -224 72 -224
WIRE 72 -208 72 -224
WIRE 24 -192 24 -240
WIRE 200 -192 200 -272
WIRE 360 -192 360 -224
WIRE -56 -144 -56 -160
WIRE -56 -144 -72 -144
WIRE -24 -144 -56 -144
WIRE 24 -144 -24 -144
WIRE 40 -144 24 -144
WIRE 360 -128 360 -192
WIRE -136 -80 -136 -144
WIRE -136 -80 -184 -80
WIRE -184 -48 -184 -80
WIRE -232 -32 -232 -352
WIRE 200 -32 200 -192
WIRE -136 -16 -136 -80
WIRE -56 -16 -72 -16
WIRE -24 -16 -56 -16
WIRE 152 -16 -24 -16
WIRE 360 32 360 -48
WIRE -184 48 -184 32
WIRE 360 48 360 32
WIRE 152 64 152 32
WIRE 152 64 -56 64
WIRE 152 80 152 64
WIRE 392 96 360 96
WIRE -552 128 -584 128
WIRE -536 128 -552 128
WIRE -504 128 -536 128
WIRE -392 128 -424 128
WIRE -376 128 -392 128
WIRE -264 128 -296 128
WIRE -232 128 -232 16
WIRE -232 128 -264 128
WIRE 72 128 72 -128
WIRE 72 128 -232 128
WIRE 200 128 200 48
WIRE 200 128 72 128
WIRE 312 128 200 128
WIRE 200 144 200 128
WIRE 536 144 536 -464
WIRE -536 176 -536 128
WIRE 200 240 200 208
WIRE 328 240 200 240
WIRE 360 240 360 144
WIRE 360 240 328 240
WIRE 392 240 392 96
WIRE 392 240 360 240
WIRE 456 240 456 -192
WIRE 456 240 392 240
WIRE 360 288 360 240
WIRE 360 400 360 368
WIRE 408 400 360 400
WIRE 536 400 536 208
WIRE 536 400 408 400
WIRE 360 416 360 400
WIRE 360 512 360 496
WIRE 408 512 360 512
WIRE 360 528 360 512
WIRE 408 624 408 512
FLAG -392 128 4
FLAG 360 512 3
FLAG 360 -608 1
FLAG -264 128 5
FLAG 392 -464 6
FLAG 392 -352 7
FLAG 328 240 9
FLAG 408 400 12
FLAG 360 -192 8
FLAG 72 -224 11
FLAG 200 -192 10
FLAG 360 32 13
FLAG -184 48 0
FLAG -136 -80 100
FLAG -24 -16 101
FLAG 152 80 0
FLAG -24 -144 102
FLAG -8 -224 0
FLAG 360 -624 Drain
IOPIN 464 -448 Out
FLAG -584 128 Gate
IOPIN -480 304 In
FLAG 360 528 Source
IOPIN 464 704 BiDir
FLAG 408 624 0
FLAG -536 256 0
FLAG 584 -496 0
FLAG -552 128 2
SYMBOL ind -520 144 R270
SYMATTR InstName LG
SYMATTR Value 7.5e-09
SYMBOL ind 344 400 R0
SYMATTR InstName LS
SYMATTR Value 7.5e-09
SYMBOL ind 376 -464 R180
SYMATTR InstName LD
SYMATTR Value 4.5e-09
SYMBOL res -392 144 R270
SYMATTR InstName RG
SYMATTR Value 4.399
SYMBOL res 344 272 R0
SYMATTR InstName RS
SYMATTR Value 0.636e-03
SYMBOL res 376 -352 R180
SYMATTR InstName RD
SYMATTR Value 0.221e-02
SYMBOL res 376 -208 R180
SYMATTR InstName RJ
SYMATTR Value 0.112e-03
SYMBOL cap 184 144 R0
SYMATTR InstName CGS
SYMATTR Value 0.454e-08
SYMBOL cap 184 -336 R0
SYMATTR InstName CGD
SYMATTR Value 0.196e-08
SYMBOL cap 88 -256 R180
SYMATTR InstName CK
SYMATTR Value 0.546e-09
SYMBOL diode 168 -256 R180
SYMATTR InstName DGD
SYMATTR Value DGD
SYMBOL diode 552 208 R180
SYMATTR InstName DBS
SYMATTR Value DBS
SYMBOL diode 472 -192 R180
SYMATTR InstName DBD
SYMATTR Value DBD
SYMBOL nmos4 312 48 R0
SYMATTR InstName MOS
SYMATTR Value MOS
SYMATTR Value2 l=1u w=1u
SYMBOL e 200 -48 R0
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL e2 72 -224 R0
SYMATTR InstName E2
SYMATTR Value 1
SYMBOL Misc\\Epoly 360 -144 R0
SYMATTR InstName E3
SYMATTR Value POLY(2) 6 8 6 12 0 0 0 0  0.992E-01
SYMBOL g -184 -64 R0
SYMATTR InstName G1
SYMATTR Value 1u
SYMBOL diode -136 0 R270
SYMATTR InstName D1
SYMATTR Value DID
SYMBOL diode -72 -160 R90
SYMATTR InstName D2
SYMATTR Value DID
SYMBOL res -72 -32 R0
SYMATTR InstName R1
SYMATTR Value 1MEG
SYMBOL res -40 -144 R180
SYMATTR InstName R2
SYMATTR Value 1MEG
SYMBOL voltage -536 160 R0
SYMATTR InstName V1
SYMATTR Value SINE(0 10 60)
SYMBOL voltage 584 -592 R0
SYMATTR InstName V2
SYMATTR Value 5