* SPICE netlist
J1 N002 N006 N009 CPH3910N
J2 N003 N007 N009 CPH3910N
R1 V+ N002 27K
R2 V+ N003 27K
R3 N009 N010 33K
V1 V+ 0 35V
V2 0 V- 35V
R5 N006 0 470K
Q1 N004 N002 N001 0 DMMT5401
Q2 N005 N003 N001 0 DMMT5401
Q3 V+ N004 OUT 0 FJV1845
R6 V+ N001 10K
R7 N004 N010 47K
R8 N005 N010 47K
R9 OUT V- 4K7
R10 V- N010 5K6
R4 N011 N007 68K
R11 N007 0 5K6
V3 N006 0 SINE(0 0.05 1K) AC AC 1
C1 N011 N007 40n
C2 N003 N005 68p
R12 N004 N008 10K
C3 N008 0 100p
R13 OUT N011 47K
C4 OUT N011 10p
.tran 3ms

* LTspice schematic (.asc)
Version 4
SHEET 1 1776 1024
WIRE -8 -512 -168 -512
WIRE 344 -512 -8 -512
WIRE 696 -512 344 -512
WIRE 712 -512 696 -512
WIRE 744 -512 712 -512
WIRE 344 -480 344 -512
WIRE -168 -400 -168 -512
WIRE -8 -400 -8 -512
WIRE 344 -368 344 -400
WIRE 344 -368 264 -368
WIRE 440 -368 344 -368
WIRE 264 -320 264 -368
WIRE 440 -320 440 -368
WIRE -168 -272 -168 -320
WIRE 200 -272 -168 -272
WIRE 536 -272 504 -272
WIRE 696 -224 696 -512
WIRE -8 -192 -8 -320
WIRE 536 -192 536 -272
WIRE 536 -192 -8 -192
WIRE 264 -176 264 -224
WIRE 584 -176 264 -176
WIRE 632 -176 584 -176
WIRE -168 -144 -168 -272
WIRE -8 -144 -8 -192
WIRE 440 -128 440 -224
WIRE 456 -128 440 -128
WIRE 536 -128 536 -192
WIRE 536 -128 520 -128
WIRE 584 -112 584 -176
WIRE -296 -80 -456 -80
WIRE -216 -80 -296 -80
WIRE 88 -80 40 -80
WIRE 696 -80 696 -128
WIRE 792 -80 696 -80
WIRE 824 -80 792 -80
WIRE 888 -80 824 -80
WIRE -456 -48 -456 -80
WIRE -296 -32 -296 -80
WIRE 584 0 584 -32
WIRE 696 16 696 -80
WIRE 264 32 264 -176
WIRE 440 32 440 -128
WIRE -168 48 -168 -48
WIRE -88 48 -168 48
WIRE -8 48 -8 -48
WIRE -8 48 -88 48
WIRE -728 80 -824 80
WIRE -456 80 -456 32
WIRE -296 80 -296 48
WIRE 584 96 584 64
WIRE -824 112 -824 80
WIRE -88 112 -88 48
WIRE -824 224 -824 192
WIRE -824 224 -888 224
WIRE -888 240 -888 224
WIRE -824 256 -824 224
WIRE -88 256 -88 192
WIRE 264 256 264 112
WIRE 264 256 -88 256
WIRE 440 256 440 112
WIRE 440 256 264 256
WIRE 536 256 440 256
WIRE 696 256 696 96
WIRE 696 256 616 256
WIRE 728 256 696 256
WIRE 744 256 728 256
WIRE 88 336 88 -80
WIRE 264 336 88 336
WIRE 312 336 264 336
WIRE 440 336 392 336
WIRE 536 336 440 336
WIRE 680 336 616 336
WIRE 792 336 792 -80
WIRE 792 336 680 336
WIRE -824 368 -824 336
WIRE -728 368 -824 368
WIRE 88 368 88 336
WIRE 264 448 264 336
WIRE 312 448 264 448
WIRE 440 448 440 336
WIRE 440 448 376 448
WIRE 536 448 440 448
WIRE 680 448 680 336
WIRE 680 448 600 448
WIRE 88 512 88 448
FLAG -888 240 0
FLAG -728 80 V+
FLAG -728 368 V-
FLAG 712 -512 V+
FLAG 728 256 V-
FLAG -296 80 0
FLAG 88 512 0
FLAG -456 80 0
FLAG 824 -80 OUT
FLAG 584 96 0
SYMBOL njf -216 -144 R0
SYMATTR InstName J1
SYMATTR Value CPH3910N
SYMBOL njf 40 -144 M0
SYMATTR InstName J2
SYMATTR Value CPH3910N
SYMBOL res -184 -416 R0
SYMATTR InstName R1
SYMATTR Value 27K
SYMBOL res -24 -416 R0
SYMATTR InstName R2
SYMATTR Value 27K
SYMBOL res -104 96 R0
SYMATTR InstName R3
SYMATTR Value 33K
SYMBOL voltage -824 96 R0
SYMATTR InstName V1
SYMATTR Value 35V
SYMBOL voltage -824 240 R0
SYMATTR InstName V2
SYMATTR Value 35V
SYMBOL res -312 -48 R0
SYMATTR InstName R5
SYMATTR Value 470K
SYMBOL pnp 200 -224 M180
SYMATTR InstName Q1
SYMATTR Value DMMT5401
SYMBOL pnp 504 -224 R180
SYMATTR InstName Q2
SYMATTR Value DMMT5401
SYMBOL npn 632 -224 R0
SYMATTR InstName Q3
SYMATTR Value FJV1845
SYMBOL res 328 -496 R0
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL res 248 16 R0
SYMATTR InstName R7
SYMATTR Value 47K
SYMBOL res 424 16 R0
SYMATTR InstName R8
SYMATTR Value 47K
SYMBOL res 680 0 R0
SYMATTR InstName R9
SYMATTR Value 4K7
SYMBOL res 632 240 R90
SYMATTR InstName R10
SYMATTR Value 5K6
SYMBOL res 408 320 R90
SYMATTR InstName R4
SYMATTR Value 68K
SYMBOL res 72 352 R0
SYMATTR InstName R11
SYMATTR Value 5K6
SYMBOL voltage -456 -64 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 0.05 1K)
SYMATTR Value2 AC AC 1
SYMBOL cap 376 432 R90
SYMATTR InstName C1
SYMATTR Value 40n
SYMBOL cap 520 -144 R90
SYMATTR InstName C2
SYMATTR Value 68p
SYMBOL res 568 -128 R0
SYMATTR InstName R12
SYMATTR Value 10K
SYMBOL cap 568 0 R0
SYMATTR InstName C3
SYMATTR Value 100p
SYMBOL res 632 320 R90
SYMATTR InstName R13
SYMATTR Value 47K
SYMBOL cap 600 432 R90
SYMATTR InstName C4
SYMATTR Value 10p