Version 4
SHEET 1 1356 940
WIRE 48 80 0 80
WIRE 272 96 192 96
WIRE 304 96 272 96
WIRE 416 96 384 96
WIRE 448 96 416 96
WIRE 560 96 528 96
WIRE 592 96 560 96
WIRE 704 96 672 96
WIRE 720 96 704 96
WIRE 816 96 800 96
WIRE -432 112 -576 112
WIRE -272 128 -368 128
WIRE -224 128 -272 128
WIRE -64 128 -64 80
WIRE -64 128 -144 128
WIRE -32 128 -64 128
WIRE 192 128 192 96
WIRE -432 144 -448 144
WIRE 48 144 48 80
WIRE 48 144 32 144
WIRE 64 144 48 144
WIRE -272 160 -272 128
WIRE -32 160 -64 160
WIRE 272 160 272 96
WIRE 272 160 224 160
WIRE 704 160 704 96
WIRE 704 160 672 160
WIRE -448 176 -448 144
WIRE -64 176 -64 160
WIRE 560 176 560 96
WIRE 608 176 560 176
WIRE 416 192 416 96
WIRE 416 192 368 192
WIRE 704 192 672 192
WIRE 720 192 704 192
WIRE 816 192 816 96
WIRE 816 192 800 192
WIRE 272 208 272 160
WIRE 304 208 272 208
WIRE -64 224 -96 224
WIRE 48 224 48 144
WIRE 48 224 16 224
WIRE 432 224 368 224
WIRE 816 224 816 192
WIRE -576 240 -576 112
WIRE -496 240 -576 240
WIRE -352 240 -416 240
WIRE 704 240 704 192
WIRE 816 240 816 224
WIRE 816 240 784 240
WIRE -96 256 -96 224
WIRE 80 256 -96 256
WIRE 192 256 192 192
WIRE 192 256 160 256
WIRE 432 272 432 224
WIRE 432 272 352 272
WIRE 496 272 496 240
WIRE 496 272 432 272
WIRE 784 272 784 240
WIRE -96 288 -96 256
WIRE -48 288 -96 288
WIRE 48 288 32 288
WIRE -576 304 -576 240
WIRE -480 304 -496 304
WIRE -352 304 -352 240
WIRE -352 304 -416 304
WIRE 432 304 432 272
WIRE 656 304 624 304
WIRE 352 320 352 272
WIRE -496 352 -496 304
WIRE -432 352 -496 352
WIRE -32 352 -64 352
WIRE -352 368 -352 304
WIRE -352 368 -368 368
WIRE -304 368 -304 320
WIRE -304 368 -352 368
WIRE -224 368 -304 368
WIRE -96 368 -96 288
WIRE -96 368 -144 368
WIRE 48 368 48 288
WIRE 48 368 32 368
WIRE 64 368 48 368
WIRE -432 384 -464 384
WIRE -96 384 -96 368
WIRE -32 384 -96 384
WIRE 704 384 704 336
WIRE 784 384 784 336
WIRE 784 384 704 384
WIRE 432 400 432 384
WIRE 496 400 496 272
WIRE 704 400 704 384
WIRE 816 400 816 240
WIRE 816 400 736 400
WIRE -464 416 -464 384
WIRE -64 416 -64 352
WIRE 736 432 736 400
WIRE -496 448 -496 352
WIRE -352 448 -496 448
WIRE 48 448 48 368
WIRE 48 448 -272 448
WIRE 128 448 48 448
WIRE 352 448 352 400
WIRE 352 448 192 448
WIRE 624 448 624 304
WIRE 624 448 352 448
WIRE 704 464 688 464
WIRE 784 464 768 464
WIRE -576 480 -576 384
WIRE 560 480 560 176
WIRE 560 480 -576 480
FLAG -448 176 0
FLAG -64 176 0
FLAG -64 416 0
FLAG -464 416 0
FLAG 496 400 0
FLAG -400 96 V+
FLAG 0 112 V+
FLAG 0 336 V+
FLAG -400 336 V+
FLAG 640 144 V+
FLAG 336 176 V+
FLAG 640 208 V-
FLAG 336 240 V-
FLAG 0 400 V-
FLAG -400 400 V-
FLAG -400 160 V-
FLAG 0 176 V-
FLAG 704 400 0
FLAG -272 160 Out1
IOPIN -272 160 Out
FLAG -304 320 Out2
IOPIN -304 320 Out
FLAG 64 144 Out3
IOPIN 64 144 Out
FLAG 64 368 Out4
IOPIN 64 368 Out
FLAG 432 400 V-
FLAG 496 160 V+
FLAG 784 464 V+
FLAG 688 464 V-
FLAG 816 224 Vc
SYMBOL Robertugo\\OPAMP5 -400 64 R0
WINDOW 0 -30 65 Left 0
SYMATTR InstName U1a
SYMATTR SpiceModel Level2
SYMBOL Robertugo\\OPAMP5 0 80 R0
WINDOW 0 -30 65 Left 0
WINDOW 38 -114 64 Left 0
SYMATTR InstName U1b
SYMATTR SpiceModel Level2
SYMBOL Robertugo\\OPAMP5 -400 304 R0
WINDOW 0 -30 65 Left 0
SYMATTR InstName U1c
SYMATTR SpiceModel Level2
SYMBOL Robertugo\\OPAMP5 0 304 R0
WINDOW 0 -30 65 Left 0
WINDOW 38 -90 16 Left 0
SYMATTR InstName U1d
SYMATTR SpiceModel Level2
SYMBOL Robertugo\\OPAMP5 640 112 M0
WINDOW 0 -31 65 Left 0
WINDOW 38 -3 137 Left 0
SYMATTR InstName U2a
SYMATTR SpiceModel Level2
SYMBOL Robertugo\\OPAMP5 336 144 M0
WINDOW 0 -31 64 Left 0
WINDOW 38 -75 -10 Left 0
SYMATTR InstName U2b
SYMATTR SpiceModel Level2
SYMBOL cap -416 288 R90
WINDOW 0 17 55 VBottom 0
WINDOW 3 -10 11 VTop 0
SYMATTR InstName C
SYMATTR Value 1n
SYMBOL res -400 224 R90
WINDOW 0 17 106 VBottom 0
WINDOW 3 -9 -1 VTop 0
SYMATTR InstName R3a
SYMATTR Value 15K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -592 288 R0
WINDOW 0 41 28 Left 0
WINDOW 3 33 86 Left 0
SYMATTR InstName R4
SYMATTR Value 12K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 688 80 R90
WINDOW 0 16 104 VBottom 0
WINDOW 3 -8 5 VTop 0
SYMATTR InstName R6
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -256 432 R90
WINDOW 0 1 90 VRight 0
WINDOW 3 2 -12 VRight 0
SYMATTR InstName Ra
SYMATTR Value 47K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -128 112 R90
WINDOW 0 16 107 VBottom 0
WINDOW 3 -11 -1 VTop 0
SYMATTR InstName R
SYMATTR Value 47K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL cap 0 64 R90
WINDOW 0 17 55 VBottom 0
WINDOW 3 -10 3 VTop 0
SYMATTR InstName Ca
SYMATTR Value 1n
SYMBOL res 48 272 R90
WINDOW 0 15 119 VBottom 0
WINDOW 3 -13 5 VTop 0
SYMATTR InstName R2
SYMATTR Value 22K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 32 208 R90
WINDOW 0 16 109 VBottom 0
WINDOW 3 -11 8 VTop 0
SYMATTR InstName R3
SYMATTR Value 15K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 400 80 R90
WINDOW 0 15 105 VBottom 0
WINDOW 3 -12 12 VTop 0
SYMATTR InstName R9
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 544 80 R90
WINDOW 0 15 105 VBottom 0
WINDOW 3 -10 9 VTop 0
SYMATTR InstName R8
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 816 80 R90
WINDOW 0 58 81 VBottom 0
WINDOW 3 31 26 VTop 0
SYMATTR InstName R5
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 816 176 R90
WINDOW 0 -3 83 VBottom 0
WINDOW 3 -28 32 VTop 0
SYMATTR InstName R7
SYMATTR Value 33K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -128 352 R90
WINDOW 0 14 104 VBottom 0
WINDOW 3 -11 6 VTop 0
SYMATTR InstName R1
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 64 272 R270
WINDOW 0 16 -4 VTop 0
WINDOW 3 43 101 VBottom 0
SYMATTR InstName R4b
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Robertugo\\Pote 208 96 M0
WINDOW 0 -51 41 Left 0
WINDOW 123 -27 109 Center 0
WINDOW 3 -27 135 Center 0
SYMATTR InstName Utol
SYMATTR Value Rt=5k
SYMBOL njf 656 240 R0
WINDOW 3 18 53 Left 0
SYMATTR Value 2N4861
SYMATTR InstName J1
SYMBOL diode 192 464 M270
WINDOW 0 16 70 VTop 0
WINDOW 3 40 -22 VBottom 0
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL res 368 416 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R10
SYMATTR Value 1e6
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL voltage 432 288 M0
WINDOW 3 -15 59 Left 0
WINDOW 123 0 0 Left 0
WINDOW 0 25 12 Left 0
SYMATTR Value 5V
SYMATTR InstName V1
SYMATTR SpiceLine Rser=.1 Cpar=100n
SYMBOL voltage 496 144 M0
WINDOW 3 -13 61 Left 0
WINDOW 123 0 0 Left 0
WINDOW 0 22 12 Left 0
SYMATTR Value 5V
SYMATTR InstName V2
SYMATTR SpiceLine Rser=.1 Cpar=100n
SYMBOL Robertugo\\Pote 800 448 R90
WINDOW 0 -15 -7 VRight 0
WINDOW 123 16 190 VCenter 0
WINDOW 3 -13 116 VCenter 0
SYMATTR InstName Fase
SYMATTR Value Rt=5k
SYMBOL cap 800 272 M0
WINDOW 0 35 56 Left 0
WINDOW 3 27 81 Left 0
SYMATTR InstName C3
SYMATTR Value 10n
TEXT -368 96 Left 0 !.tran 1m uic
TEXT -200 96 Left 0 ;R
TEXT -328 424 Left 0 ;R
TEXT -56 96 Left 0 ;C
TEXT -488 320 Left 0 ;C
TEXT 808 496 Right 0 ;R4a=RUtol+R4b F=R2 / 4R1CR Phi=90º[(VcR2R3 / VoSatR1R4)-1] VoSat=Vcc-0.7V Orig. by G.B. Clayton, Liverpool. Politechnic.
TEXT -200 72 Right 0 !.options trtol=7