Version 4
SHEET 1 1348 760
WIRE -32 -144 -144 -144
WIRE 16 -144 -32 -144
WIRE 112 -144 80 -144
WIRE 208 -144 192 -144
WIRE 304 -144 208 -144
WIRE 448 -144 304 -144
WIRE 736 -144 624 -144
WIRE 1072 -144 736 -144
WIRE 1216 -144 1072 -144
WIRE 448 -128 448 -144
WIRE 624 -128 624 -144
WIRE -144 -112 -144 -144
WIRE 208 -112 208 -144
WIRE 928 -112 896 -112
WIRE 1072 -112 1072 -144
WIRE 1072 -112 1008 -112
WIRE -32 -64 -32 -144
WIRE 304 -64 304 -80
WIRE 368 -64 304 -64
WIRE 400 -64 368 -64
WIRE 832 -64 736 -64
WIRE 304 -48 304 -64
WIRE 736 -48 736 -64
WIRE 944 -16 896 -16
WIRE 1024 -16 1008 -16
WIRE 1056 -16 1024 -16
WIRE 1216 -16 1216 -144
WIRE 496 0 496 -64
WIRE 624 0 624 -48
WIRE 624 0 496 0
WIRE 672 0 624 0
WIRE 896 32 896 -16
WIRE 896 32 864 32
WIRE -32 48 -32 16
WIRE 368 64 368 -64
WIRE 896 96 896 32
WIRE 1024 112 1024 -16
WIRE -32 144 -32 128
WIRE 112 144 -32 144
WIRE 304 144 304 32
WIRE 304 144 112 144
WIRE 736 144 736 128
WIRE 736 144 576 144
WIRE 816 144 736 144
WIRE 736 160 736 144
WIRE 816 208 816 144
WIRE 208 240 208 -32
WIRE 576 240 576 144
WIRE 576 240 208 240
WIRE 112 256 112 144
WIRE 368 256 368 144
WIRE 464 256 368 256
WIRE 736 272 736 240
WIRE 816 272 736 272
WIRE 896 272 896 176
WIRE 896 272 816 272
WIRE 1024 272 1024 176
WIRE 1024 272 896 272
WIRE 368 288 368 256
WIRE 736 288 736 272
WIRE 208 304 208 240
WIRE 304 368 304 144
WIRE 464 432 464 256
WIRE 864 432 864 32
WIRE 864 432 464 432
WIRE 304 464 304 448
WIRE 368 464 368 368
WIRE 368 464 304 464
WIRE 304 480 304 464
WIRE -32 496 -32 144
WIRE 368 496 368 464
WIRE 400 496 368 496
WIRE 496 496 496 0
WIRE 208 576 208 384
WIRE 304 576 304 544
WIRE 304 576 208 576
WIRE 448 576 448 560
WIRE 448 576 304 576
WIRE -32 608 -32 576
WIRE 0 608 -32 608
WIRE 96 608 64 608
WIRE 208 608 208 576
WIRE 208 608 176 608
WIRE -32 640 -32 608
FLAG 112 256 0
FLAG -32 -144 IN1
IOPIN -32 -144 In
FLAG 736 288 0
FLAG -144 -32 0
FLAG 1216 64 0
FLAG -32 640 0
FLAG 1056 -16 OUT
IOPIN 1056 -16 Out
SYMBOL res -48 -80 R0
SYMATTR InstName R1
SYMATTR Value 470k
SYMBOL res -48 480 R0
SYMATTR InstName R2
SYMATTR Value 500k
SYMBOL res 208 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1.2k
SYMBOL res 192 592 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1.2k
SYMBOL res 224 -16 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 470k
SYMBOL res 224 400 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 470k
SYMBOL npn 496 -128 R90
SYMATTR InstName Q1
SYMATTR Value BC547A
SYMBOL npn 496 560 M270
SYMATTR InstName Q2
SYMATTR Value BC547A
SYMBOL res 352 48 R0
SYMATTR InstName R7
SYMATTR Value 220k
SYMBOL res 352 272 R0
SYMATTR InstName R8
SYMATTR Value 220k
SYMBOL cap 288 -144 R0
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL cap 288 480 R0
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL res 288 -64 R0
SYMATTR InstName R9
SYMATTR Value 1.2k
SYMBOL res 288 352 R0
SYMATTR InstName R10
SYMATTR Value 1.2k
SYMBOL cap 80 -160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value .1µF
SYMBOL cap 64 592 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .1µF
SYMBOL npn 672 -48 R0
SYMATTR InstName Q3
SYMATTR Value BC547A
SYMBOL npn 832 -112 R0
WINDOW 3 37 55 Left 2
SYMATTR InstName Q4
SYMATTR Value bc107A
SYMBOL res 720 -160 R0
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL res 608 -144 R0
SYMATTR InstName R12
SYMATTR Value 33k
SYMBOL res 1024 -128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 150
SYMBOL res 720 32 R0
SYMATTR InstName R14
SYMATTR Value 150
SYMBOL res 720 144 R0
SYMATTR InstName R15
SYMATTR Value 1.2k
SYMBOL res 880 80 R0
SYMATTR InstName R16
SYMATTR Value 2.2k
SYMBOL cap 1008 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 50µF
SYMBOL cap 800 208 R0
SYMATTR InstName C6
SYMATTR Value 50µF
SYMBOL cap 1008 112 R0
SYMATTR InstName C7
SYMATTR Value .01µF
SYMBOL voltage -144 -128 R0
WINDOW 3 24 44 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 24 72 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 0.15 800)
SYMATTR SpiceLine Rser=1
SYMBOL voltage 1216 -32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 124 Left 2
SYMATTR InstName V2
SYMATTR Value 40
SYMATTR SpiceLine Rser=0.1
SYMBOL res -48 32 R0
SYMATTR InstName R17
SYMATTR Value 27k
TEXT -178 742 Left 2 !.tran 0.1