Version 4
SHEET 1 1396 832
WIRE -912 -800 -960 -800
WIRE -960 -784 -960 -800
WIRE -912 -784 -912 -800
WIRE -960 -688 -960 -704
WIRE -704 -688 -960 -688
WIRE -960 -672 -960 -688
WIRE -960 -560 -960 -592
WIRE -880 -560 -960 -560
WIRE -784 -560 -880 -560
WIRE -704 -560 -784 -560
WIRE -960 -528 -960 -560
WIRE -880 -512 -880 -560
WIRE -784 -512 -784 -560
WIRE -960 -432 -960 -448
WIRE -880 -432 -880 -448
WIRE -880 -432 -960 -432
WIRE -784 -432 -784 -448
WIRE -784 -432 -880 -432
WIRE -880 -400 -880 -432
WIRE 96 -320 64 -320
WIRE 64 -304 64 -320
WIRE 96 -304 96 -320
WIRE 1296 -304 1264 -304
WIRE -448 -288 -496 -288
WIRE -304 -288 -304 -320
WIRE -304 -288 -384 -288
WIRE -224 -288 -304 -288
WIRE -64 -288 -144 -288
WIRE 32 -288 -64 -288
WIRE 864 -288 832 -288
WIRE 1264 -288 1264 -304
WIRE 1296 -288 1296 -304
WIRE 128 -272 96 -272
WIRE 160 -272 128 -272
WIRE 288 -272 224 -272
WIRE 832 -272 832 -288
WIRE 864 -272 864 -288
WIRE -64 -256 -64 -288
WIRE 32 -256 16 -256
WIRE 288 -256 288 -272
WIRE 1344 -256 1296 -256
WIRE -800 -240 -800 -272
WIRE 896 -240 864 -240
WIRE 992 -240 896 -240
WIRE 1056 -240 992 -240
WIRE 1184 -240 1136 -240
WIRE 1232 -240 1184 -240
WIRE 352 -224 336 -224
WIRE 384 -224 352 -224
WIRE 480 -224 448 -224
WIRE 752 -224 560 -224
WIRE 800 -224 752 -224
WIRE -64 -176 -64 -192
WIRE 16 -176 16 -256
WIRE 128 -176 128 -272
WIRE 128 -176 16 -176
WIRE 992 -176 992 -240
WIRE 288 -144 288 -176
WIRE -912 -112 -1072 -112
WIRE -800 -112 -800 -160
WIRE -800 -112 -848 -112
WIRE -752 -112 -800 -112
WIRE -624 -112 -672 -112
WIRE 752 -112 752 -224
WIRE 784 -112 752 -112
WIRE 896 -112 896 -240
WIRE 896 -112 864 -112
WIRE 96 -80 64 -80
WIRE 64 -64 64 -80
WIRE 96 -64 96 -80
WIRE -576 -48 -576 -80
WIRE -496 -48 -496 -288
WIRE -496 -48 -576 -48
WIRE -448 -48 -496 -48
WIRE -304 -48 -304 -80
WIRE -304 -48 -384 -48
WIRE -224 -48 -304 -48
WIRE -64 -48 -144 -48
WIRE 32 -48 -64 -48
WIRE -576 -32 -576 -48
WIRE 128 -32 96 -32
WIRE 384 -32 128 -32
WIRE 480 -32 448 -32
WIRE 592 -32 560 -32
WIRE 624 -32 592 -32
WIRE 752 -32 752 -112
WIRE 752 -32 704 -32
WIRE 800 -32 752 -32
WIRE 896 -32 896 -112
WIRE 896 -32 864 -32
WIRE 992 -32 992 -96
WIRE -64 -16 -64 -48
WIRE 32 -16 0 -16
WIRE -1072 0 -1072 -32
WIRE 592 16 592 -32
WIRE 1072 16 1040 16
WIRE 1184 16 1184 -240
WIRE 1184 16 1136 16
WIRE -64 64 -64 48
WIRE -576 80 -576 48
WIRE 592 96 592 80
WIRE 0 112 0 -16
WIRE 32 112 0 112
WIRE 128 112 128 -32
WIRE 128 112 96 112
WIRE 992 128 992 48
WIRE 1056 128 992 128
WIRE 1344 128 1344 -256
WIRE 1344 128 1136 128
WIRE 0 224 0 112
WIRE 32 224 0 224
WIRE 128 224 128 112
WIRE 128 224 96 224
WIRE 0 320 0 224
WIRE 32 320 0 320
WIRE 128 320 128 224
WIRE 128 320 96 320
WIRE 0 416 0 320
WIRE 16 416 0 416
WIRE 128 416 128 320
WIRE 128 416 96 416
WIRE 352 416 352 -224
WIRE 352 416 128 416
WIRE 128 464 128 416
WIRE 128 464 48 464
WIRE 0 544 0 416
WIRE 0 656 0 624
WIRE 0 768 0 720
FLAG -576 80 0
FLAG -64 -176 0
FLAG -64 64 0
FLAG 0 768 0
FLAG 288 -144 0
FLAG 592 96 0
FLAG 96 -304 0
FLAG 96 -64 0
FLAG 864 -272 0
FLAG 1296 -288 0
FLAG -912 -784 0
FLAG -880 -400 0
FLAG -704 -560 VR
IOPIN -704 -560 Out
FLAG -704 -688 VCC
IOPIN -704 -688 Out
FLAG -800 -272 VR
IOPIN -800 -272 In
FLAG -304 -400 VR
IOPIN -304 -400 In
FLAG 64 -240 VR
IOPIN 64 -240 In
FLAG 64 0 VR
IOPIN 64 0 In
FLAG 832 -208 VR
IOPIN 832 -208 In
FLAG 1264 -224 VR
IOPIN 1264 -224 In
FLAG -576 -176 VCC
IOPIN -576 -176 In
FLAG -1072 0 0
FLAG 1232 -272 VR
IOPIN 1232 -272 In
FLAG 800 -256 VR
IOPIN 800 -256 In
FLAG -304 -160 VR
IOPIN -304 -160 In
SYMBOL cap -912 -96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 0.01µF
SYMBOL res -768 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL res -784 -144 R180
WINDOW 0 -43 78 Left 2
WINDOW 3 -68 42 Left 2
SYMATTR InstName R2
SYMATTR Value 1MEG
SYMBOL njf -624 -176 R0
SYMATTR InstName J1
SYMBOL res -560 64 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap -384 -64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.47µF
SYMBOL cap -384 -304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1µF
SYMBOL res -288 -304 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL res -240 -272 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 4.7K
SYMBOL res -288 -64 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 22K
SYMBOL res -240 -32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 2.2K
SYMBOL cap -48 -192 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C4
SYMATTR Value 0.001µF
SYMBOL cap -48 48 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C5
SYMATTR Value 0.047µF
SYMBOL cap 224 -288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 1µF
SYMBOL cap 96 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 220pF
SYMBOL schottky 96 240 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value BAT41
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 32 336 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value BAT41
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL Pot&Sw\\potentiometer 112 400 R90
WINDOW 0 87 -63 VRight 2
WINDOW 3 116 -82 VRight 2
SYMATTR InstName POT_1-2_LOG
SYMATTR Value Rt=250K set=0.5
SYMBOL res 16 640 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value 220
SYMBOL cap 16 720 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C8
SYMATTR Value 1µF
SYMBOL Pot&Sw\\potentiometer 272 -160 M180
WINDOW 0 -4 188 Left 2
WINDOW 3 166 152 Right 2
SYMATTR InstName POT_1-1_LOG
SYMATTR Value Rt=250K set=0.5
SYMBOL cap 448 -240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 1µF
SYMBOL res 464 -208 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL cap 448 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value 1µF
SYMBOL res 464 -16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 1K
SYMBOL cap 608 80 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C11
SYMATTR Value 0.1µF
SYMBOL res 608 -16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 10K
SYMBOL cap 864 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C12
SYMATTR Value 100pF
SYMBOL res 768 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 100K
SYMBOL res 1040 -224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R13
SYMATTR Value 100K
SYMBOL res 1008 -80 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R14
SYMATTR Value 2.2K
SYMBOL Pot&Sw\\potentiometer 976 -48 R0
WINDOW 0 -157 127 Left 2
WINDOW 3 -1 160 Right 2
SYMATTR InstName POT_2_LIN
SYMATTR Value Rt=10K set=0.5
SYMBOL res 1040 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R15
SYMATTR Value 4.7K
SYMBOL cap 1136 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C13
SYMATTR Value 0.0047µF
SYMBOL Opamps\\UniversalOpamp 64 -272 M180
SYMATTR InstName U2
SYMBOL Opamps\\UniversalOpamp 64 -32 M180
SYMATTR InstName U1
SYMBOL Opamps\\UniversalOpamp 1264 -256 M180
SYMATTR InstName U4
SYMBOL Opamps\\UniversalOpamp 832 -240 M180
SYMATTR InstName U3
SYMBOL voltage -960 -688 R180
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL res -944 -576 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R16
SYMATTR Value 10K
SYMBOL res -944 -432 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R17
SYMATTR Value 10K
SYMBOL polcap -896 -512 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 100µ
SYMATTR InstName C14
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=63 Irms=900m Rser=0.1 Lser=0 mfg="Nichicon" pn="UPH1J101MRH" type="Al electrolytic"
SYMBOL cap -800 -512 R0
SYMATTR InstName C15
SYMATTR Value 0.01µF
SYMBOL voltage -1072 -128 R0
WINDOW 123 24 132 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1 0
SYMATTR InstName V2
SYMATTR Value SINE(0 100mV 800Hz)
TEXT -1090 96 Left 2 !;op
TEXT -1088 136 Left 2 !.tran 0 50ms 20ms