* SPICE netlist
V1 BP BN 3 Rser=2
R2 BN 0 0.2
R3 N006 N009 9
R4 N009 0 90
R5 A N006 1
XM1 BP N004 A PMV60ENEA ;pnba D)G)S
R1 N004 N003 220
R6 B N002 100k
XM2 N006 N007 0 PMV60ENEA ;pnba D)G)S
XM3 N009 N008 0 PMV60ENEA ;pnba D)G)S
V2 N010 0 PULSE(0 0.5 1n 1f 1f 1m 2m)
V3 N007 0 0
V4 N008 0 PULSE(0 3 0.5m 1f 1f 0.5m 2m)
V5 N001 0 3.3
C1 N003 N002 10p
V6 N005 N010 0
V7 B A AC 1
XU1 N005 N002 N001 0 N003 OPAx388 ;pnba In+)In-)V+)V-)OUT
.tran 4ms
.include us6k1.lib
.include OPAx388.LIB
.include PMV60ENEA.lib

* LTspice schematic (.asc)
Version 4
SHEET 1 1552 544
WIRE -120 -272 -776 -272
WIRE 776 -256 232 -256
WIRE -120 -208 -120 -272
WIRE -152 -192 -200 -192
WIRE 8 -176 -88 -176
WIRE 40 -176 8 -176
WIRE 184 -176 120 -176
WIRE 776 -176 776 -256
WIRE -152 -160 -632 -160
WIRE 8 -128 8 -176
WIRE 232 -128 232 -160
WIRE 232 -128 152 -128
WIRE 776 -128 776 -176
WIRE 232 -112 232 -128
WIRE -200 -64 -200 -192
WIRE 8 -64 -200 -64
WIRE -632 -32 -632 -160
WIRE -200 -32 -200 -64
WIRE -104 -32 -200 -32
WIRE -8 -32 -24 -32
WIRE 24 -32 -8 -32
WIRE 120 -32 104 -32
WIRE 152 -32 152 -128
WIRE 152 -32 120 -32
WIRE 232 -16 232 -32
WIRE 232 -16 136 -16
WIRE 232 16 232 -16
WIRE 776 16 776 -48
WIRE 776 48 776 16
WIRE -264 80 -504 80
WIRE 136 80 136 -16
WIRE 136 80 -168 80
WIRE -40 112 -376 112
WIRE -168 144 -168 80
WIRE 232 144 232 96
WIRE 232 144 56 144
WIRE -776 160 -776 -272
WIRE -632 160 -632 48
WIRE -504 160 -504 80
WIRE -376 160 -376 112
WIRE 232 160 232 144
WIRE -264 224 -264 80
WIRE -216 224 -264 224
WIRE -40 224 -40 112
WIRE 8 224 -40 224
WIRE -776 272 -776 240
WIRE -632 272 -632 240
WIRE -632 272 -776 272
WIRE -504 272 -504 240
WIRE -504 272 -632 272
WIRE -376 272 -376 240
WIRE -376 272 -504 272
WIRE -168 272 -168 240
WIRE -168 272 -376 272
WIRE -120 272 -120 -144
WIRE -120 272 -168 272
WIRE 56 272 56 240
WIRE 56 272 -120 272
WIRE 232 272 232 240
WIRE 232 272 56 272
WIRE 776 272 776 128
WIRE 776 272 232 272
FLAG -632 272 0
FLAG 776 16 BN
FLAG 776 -176 BP
FLAG 120 -32 A
FLAG -8 -32 B
SYMBOL voltage 776 -144 R0
SYMATTR InstName V1
SYMATTR Value 3
SYMATTR SpiceLine Rser=2
SYMBOL res 760 32 R0
SYMATTR InstName R2
SYMATTR Value 0.2
SYMBOL res 216 0 R0
SYMATTR InstName R3
SYMATTR Value 9
SYMBOL res 216 144 R0
SYMATTR InstName R4
SYMATTR Value 90
SYMBOL res 216 -128 R0
SYMATTR InstName R5
SYMATTR Value 1
SYMBOL nmos 184 -256 R0
SYMATTR InstName M1
SYMATTR Value PMV60ENEA
SYMATTR Prefix X
SYMBOL res 136 -192 R90
SYMATTR InstName R1
SYMATTR Value 220
SYMBOL res -8 -48 R90
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL nmos -216 144 R0
SYMATTR InstName M2
SYMATTR Value PMV60ENEA
SYMATTR Prefix X
SYMBOL nmos 8 144 R0
SYMATTR InstName M3
SYMATTR Value PMV60ENEA
SYMATTR Prefix X
SYMBOL voltage -632 144 R0
SYMATTR InstName V2
SYMATTR Value PULSE(0 0.5 1n 1f 1f 1m 2m)
SYMBOL voltage -504 144 R0
SYMATTR Value 0
SYMATTR InstName V3
SYMBOL voltage -376 144 R0
SYMATTR Value PULSE(0 3 0.5m 1f 1f 0.5m 2m)
SYMATTR InstName V4
SYMBOL voltage -776 144 R0
SYMATTR InstName V5
SYMATTR Value 3.3
SYMBOL cap -8 -128 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL voltage -632 -48 R0
SYMATTR InstName V6
SYMATTR Value 0
SYMBOL voltage 8 -32 R270
SYMATTR InstName V7
SYMATTR Value ""
SYMATTR Value2 AC 1
SYMBOL OpAmps/opamp2 -120 -240 R0
SYMATTR InstName U1
SYMATTR Value OPAx388