Version 4
SHEET 1 920 680
WIRE -96 160 -96 128
WIRE -96 272 -96 240
WIRE -32 272 -96 272
WIRE -32 320 -32 272
WIRE 32 160 32 128
WIRE 32 272 -32 272
WIRE 32 272 32 240
WIRE 144 64 144 48
WIRE 144 176 144 144
WIRE 144 272 32 272
WIRE 144 272 144 256
WIRE 240 48 144 48
WIRE 240 96 240 48
WIRE 240 144 240 96
WIRE 240 176 240 144
WIRE 240 272 144 272
WIRE 240 272 240 240
WIRE 256 48 240 48
WIRE 288 96 240 96
WIRE 288 96 288 80
WIRE 352 48 320 48
WIRE 352 144 352 48
WIRE 352 176 352 144
WIRE 352 272 240 272
WIRE 352 272 352 240
WIRE 416 304 416 160
WIRE 416 400 416 384
WIRE 464 48 352 48
WIRE 464 80 464 48
WIRE 464 160 416 160
WIRE 464 160 464 144
WIRE 464 176 464 160
WIRE 464 272 352 272
WIRE 464 272 464 256
WIRE 528 304 528 160
WIRE 528 400 528 384
WIRE 560 48 464 48
WIRE 560 80 560 48
WIRE 560 160 528 160
WIRE 560 160 560 144
WIRE 560 176 560 160
WIRE 560 272 464 272
WIRE 560 272 560 256
WIRE 624 48 560 48
WIRE 624 144 624 48
WIRE 624 272 624 176
WIRE 624 304 624 272
WIRE 624 416 624 384
WIRE 672 48 624 48
WIRE 672 144 624 144
WIRE 672 176 624 176
WIRE 672 272 624 272
WIRE 704 128 704 112
WIRE 704 208 704 192
WIRE 800 48 752 48
WIRE 800 160 736 160
WIRE 800 160 800 48
WIRE 800 272 752 272
WIRE 800 272 800 160
WIRE 816 160 800 160
FLAG -32 320 0
FLAG -96 128 V+
FLAG 32 128 V-
FLAG 528 400 V+
FLAG 416 400 V-
FLAG 704 208 V+
FLAG 704 112 V-
FLAG 624 416 0
FLAG 816 160 Out
IOPIN 816 160 Out
FLAG 240 144 c1
FLAG 352 144 c2
SYMBOL voltage -96 144 R0
WINDOW 3 -6 59 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value 9
SYMATTR InstName V1
SYMBOL ind 160 160 M0
SYMATTR InstName L1
SYMATTR Value 8m5
SYMBOL res 128 48 R0
SYMATTR InstName R1
SYMATTR Value 82
SYMBOL cap 224 176 R0
SYMATTR InstName C1
SYMATTR Value 68n
SYMBOL cap 336 176 R0
SYMATTR InstName C2
SYMATTR Value 4n7
SYMBOL Robertugo\\Pote 224 64 R270
WINDOW 0 -18 21 VRight 0
WINDOW 3 -53 34 VRight 0
WINDOW 123 -80 63 VCenter 0
SYMATTR InstName U1
SYMBOL diode 544 80 R0
WINDOW 3 24 72 Invisible 0
SYMATTR Value 1N4148
SYMATTR InstName D2
SYMBOL res 544 160 R0
SYMATTR InstName R2
SYMATTR Value 3K3
SYMBOL diode 480 144 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Invisible 0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res 448 160 R0
SYMATTR InstName R3
SYMATTR Value 3K3
SYMBOL voltage 32 256 R180
WINDOW 3 -6 59 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value 9
SYMATTR InstName V2
SYMBOL res 400 288 R0
SYMATTR InstName R4
SYMATTR Value 47K
SYMBOL res 512 288 R0
SYMATTR InstName R5
SYMATTR Value 47K
SYMBOL Robertugo\\opamp5 704 224 M180
SYMATTR InstName U2
SYMATTR SpiceModel TL082
SYMBOL res 768 32 R90
WINDOW 0 15 107 VBottom 0
WINDOW 3 -12 13 VTop 0
SYMATTR InstName R6
SYMATTR Value 270
SYMBOL res 768 256 R90
WINDOW 0 15 107 VBottom 0
WINDOW 3 -12 13 VTop 0
SYMATTR InstName R7
SYMATTR Value 270
SYMBOL res 608 288 R0
SYMATTR InstName R8
SYMATTR Value 1K5
TEXT -114 58 Left 0 !.tran 0 10m 0 startup