Version 4
SHEET 1 880 680
WIRE -160 224 -160 112
WIRE -160 320 -160 304
WIRE -160 336 -160 320
WIRE -144 320 -160 320
WIRE -64 112 -160 112
WIRE -64 176 -64 112
WIRE -64 288 -64 208
WIRE -64 320 -80 320
WIRE -64 320 -64 288
WIRE -48 176 -64 176
WIRE -48 208 -64 208
WIRE 0 112 -64 112
WIRE 80 112 64 112
WIRE 80 192 16 192
WIRE 80 192 80 112
WIRE 112 192 80 192
WIRE 112 192 112 112
WIRE 128 192 112 192
WIRE 128 352 96 352
WIRE 144 80 128 80
WIRE 144 112 112 112
WIRE 240 112 224 112
WIRE 240 112 240 48
WIRE 240 192 240 112
WIRE 240 320 240 224
WIRE 256 192 240 192
WIRE 256 224 240 224
WIRE 272 48 240 48
WIRE 272 112 240 112
WIRE 272 320 240 320
WIRE 352 208 320 208
WIRE 352 208 352 192
WIRE 384 48 336 48
WIRE 384 80 224 80
WIRE 384 80 384 48
WIRE 384 112 336 112
WIRE 384 208 352 208
WIRE 384 208 384 112
WIRE 384 288 -64 288
WIRE 384 288 384 208
WIRE 448 48 384 48
WIRE 448 80 448 48
WIRE 448 208 384 208
WIRE 448 208 448 160
WIRE 448 224 448 208
WIRE 448 320 336 320
WIRE 448 320 448 304
WIRE 448 352 208 352
WIRE 448 352 448 320
WIRE 496 224 496 192
WIRE 544 192 496 192
WIRE 544 192 544 176
WIRE 544 208 544 192
FLAG -160 336 0
FLAG -16 160 Vcc
FLAG -16 224 Vdd
FLAG 288 176 Vcc
FLAG 288 240 Vdd
FLAG 96 352 Vcc
FLAG 128 80 Vdd
FLAG 544 96 Vcc
FLAG 544 288 Vdd
FLAG 496 224 0
FLAG 128 192 Out1
FLAG 352 192 Out2
SYMBOL OPAMP5 -16 128 R0
WINDOW 0 -30 64 Left 0
WINDOW 38 24 49 Left 0
SYMATTR InstName U1a
SYMATTR SpiceModel TL082
SYMBOL cap 64 96 R90
WINDOW 0 44 52 VBottom 0
WINDOW 3 17 4 VTop 0
SYMATTR InstName C1
SYMATTR Value 18p
SYMBOL res -176 208 R0
WINDOW 0 36 22 Left 0
WINDOW 3 33 49 Left 0
SYMATTR InstName R1
SYMATTR Value 82K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL cap -80 304 R90
WINDOW 0 16 58 VBottom 0
WINDOW 3 -12 6 VTop 0
SYMATTR InstName C2
SYMATTR Value 18p
SYMBOL res 240 96 R90
WINDOW 0 65 96 VBottom 0
WINDOW 3 37 36 VTop 0
SYMATTR InstName R2
SYMATTR Value 82K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL OPAMP5 288 144 R0
WINDOW 0 -30 64 Left 0
WINDOW 38 21 97 Left 0
SYMATTR InstName U1b
SYMATTR SpiceModel TL082
SYMBOL diode 336 96 R90
WINDOW 0 13 63 VBottom 0
WINDOW 3 -13 -18 VTop 0
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL cap 336 32 R90
WINDOW 0 16 55 VBottom 0
WINDOW 3 -12 2 VTop 0
SYMATTR InstName C3
SYMATTR Value 18p
SYMBOL res 432 64 R0
WINDOW 0 -28 33 Left 0
WINDOW 3 -27 66 Left 0
SYMATTR InstName R3
SYMATTR Value 1K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL diode 272 336 R270
WINDOW 0 15 0 VTop 0
WINDOW 3 44 83 VBottom 0
SYMATTR InstName D2
SYMATTR Value 1N914
SYMBOL res 432 208 R0
WINDOW 0 -28 33 Left 0
WINDOW 3 -27 66 Left 0
SYMATTR InstName R4
SYMATTR Value 1K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 224 336 R90
WINDOW 0 1 100 VBottom 0
WINDOW 3 -26 17 VTop 0
SYMATTR InstName R5
SYMATTR Value 18K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 240 64 R90
WINDOW 0 3 96 VBottom 0
WINDOW 3 -25 29 VTop 0
SYMATTR InstName R6
SYMATTR Value 18K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL voltage 544 192 R0
WINDOW 0 -47 108 Left 0
WINDOW 3 -13 60 Left 0
WINDOW 123 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMATTR SpiceLine Rser=1 Cpar=100n
SYMBOL voltage 544 80 R0
WINDOW 0 -53 95 Left 0
WINDOW 3 -13 60 Left 0
WINDOW 123 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12
SYMATTR SpiceLine Rser=1 Cpar=100n
TEXT -156 74 Left 0 !.tran 500u