Version 4
SHEET 1 1428 680
WIRE 832 -784 448 -784
WIRE 448 -720 448 -784
WIRE 448 -720 256 -720
WIRE 544 -720 448 -720
WIRE 544 -704 544 -720
WIRE 256 -672 256 -720
WIRE 544 -624 320 -624
WIRE 544 -608 544 -624
WIRE 256 -560 256 -576
WIRE 480 -560 256 -560
WIRE 256 -512 256 -560
WIRE 768 -432 768 -448
WIRE 832 -432 832 -784
WIRE 832 -432 768 -432
WIRE 256 -400 256 -432
WIRE 768 -400 768 -432
WIRE -16 -384 -64 -384
WIRE 176 -384 48 -384
WIRE 544 -368 544 -512
WIRE 544 -368 416 -368
WIRE 704 -352 656 -352
WIRE -784 -288 -864 -288
WIRE -64 -288 -64 -384
WIRE -32 -288 -64 -288
WIRE 176 -288 176 -384
WIRE 176 -288 48 -288
WIRE -784 -272 -784 -288
WIRE 416 -272 416 -368
WIRE 512 -272 416 -272
WIRE 656 -272 656 -352
WIRE 656 -272 592 -272
WIRE 768 -272 768 -304
WIRE 944 -272 768 -272
WIRE 992 -272 944 -272
WIRE 112 -224 16 -224
WIRE 768 -224 768 -272
WIRE -784 -192 -784 -208
WIRE 16 -192 16 -224
WIRE 656 -176 656 -272
WIRE 704 -176 656 -176
WIRE 416 -128 416 -272
WIRE 112 -112 112 -224
WIRE -176 -96 -208 -96
WIRE -64 -96 -64 -288
WIRE -64 -96 -96 -96
WIRE -16 -96 -64 -96
WIRE -208 -80 -208 -96
WIRE -208 -80 -784 -80
WIRE 176 -80 176 -288
WIRE 176 -80 48 -80
WIRE 192 -80 176 -80
WIRE 352 -80 272 -80
WIRE -16 -64 -80 -64
WIRE 944 -48 944 -272
WIRE 944 -48 560 -48
WIRE -784 -16 -784 -80
WIRE 560 -16 560 -48
WIRE -864 64 -864 -288
WIRE -784 64 -864 64
WIRE -784 80 -784 64
WIRE 416 80 416 -32
WIRE -80 176 -80 -64
WIRE 560 176 560 64
WIRE 560 176 -80 176
WIRE 560 208 560 176
WIRE 560 336 560 288
FLAG 560 336 0
FLAG 16 -48 0
FLAG -784 80 0
FLAG 112 -112 0
FLAG 416 80 0
FLAG 768 -528 0
FLAG 768 -128 0
FLAG 256 -400 0
SYMBOL npn 352 -128 R0
SYMATTR InstName Q1
SYMATTR Value 2N6517
SYMBOL Opamps\\AD8067 16 -144 R0
SYMATTR InstName U1
SYMBOL voltage 16 -96 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -784 -32 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value 3
SYMBOL res 544 -32 R0
SYMATTR InstName R2
SYMATTR Value 3Meg9
SYMBOL res 544 192 R0
SYMATTR InstName R3
SYMATTR Value 120k
SYMBOL res 288 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 7k5
SYMBOL res 64 -304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 50k
SYMBOL cap 48 -400 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL res -80 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 4k7
SYMBOL voltage -784 -176 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL npn 704 -400 R0
SYMATTR InstName Q2
SYMATTR Value qnjw3281g
SYMBOL pnp 704 -128 M180
SYMATTR InstName Q3
SYMATTR Value qnjw1302g
SYMBOL voltage 768 -432 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 200
SYMBOL pnp 320 -576 R180
SYMATTR InstName Q4
SYMATTR Value qnjw1302g
SYMBOL pnp 480 -512 M180
SYMATTR InstName Q5
SYMATTR Value qnjw1302g
SYMBOL res 240 -528 R0
SYMATTR InstName R7
SYMATTR Value 1Meg
SYMBOL res 528 -720 R0
SYMATTR InstName R9
SYMATTR Value 120
SYMBOL res 608 -288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1k
TEXT -288 360 Left 2 !.ac lin 50000 1 300k