Version 4
SHEET 1 880 680
WIRE 32 -64 -240 -64
WIRE 176 -64 32 -64
WIRE 336 -64 176 -64
WIRE 544 -64 336 -64
WIRE 336 -32 336 -64
WIRE 32 -16 32 -64
WIRE 176 -16 176 -64
WIRE 32 96 32 64
WIRE 176 96 176 64
WIRE 480 112 480 80
WIRE 480 112 464 112
WIRE 592 112 480 112
WIRE 464 128 464 112
WIRE -32 144 -48 144
WIRE 256 144 240 144
WIRE -128 192 -128 48
WIRE -48 208 -48 144
WIRE 32 208 32 192
WIRE 32 208 -48 208
WIRE 256 208 256 144
WIRE 256 208 32 208
WIRE -64 224 -96 224
WIRE 544 224 544 -64
WIRE 176 240 176 192
WIRE 320 240 176 240
WIRE 352 240 320 240
WIRE 464 240 464 208
WIRE 464 240 432 240
WIRE 512 240 464 240
WIRE 32 256 32 208
WIRE 176 256 176 240
WIRE 592 256 592 112
WIRE 592 256 576 256
WIRE 320 272 320 240
WIRE 512 272 496 272
WIRE -128 304 -128 256
WIRE -64 304 -64 224
WIRE -64 304 -128 304
WIRE -32 304 -64 304
WIRE 256 304 240 304
WIRE -128 320 -128 304
WIRE -64 368 -64 304
WIRE -240 384 -240 -64
WIRE 256 384 256 304
WIRE 320 384 320 352
WIRE 320 384 256 384
WIRE 496 384 496 272
WIRE 496 384 320 384
WIRE 32 400 32 352
WIRE 176 400 176 352
WIRE -128 416 -128 400
WIRE -128 416 -208 416
WIRE 320 432 320 384
WIRE 400 448 368 448
WIRE 544 448 544 288
WIRE 544 448 480 448
WIRE 544 480 544 448
WIRE -240 496 -240 448
WIRE -64 496 -64 448
WIRE 256 496 256 384
WIRE 256 496 -64 496
WIRE 32 528 32 480
WIRE 176 528 176 480
WIRE 176 528 32 528
WIRE 368 528 368 448
WIRE 368 528 176 528
FLAG 320 432 0
FLAG -128 48 Tri
IOPIN -128 48 In
FLAG 480 80 Sen
IOPIN 480 80 Out
FLAG 544 480 V-
IOPIN 544 480 In
FLAG 336 -32 V+
IOPIN 336 -32 In
FLAG -240 496 V-
IOPIN -240 496 In
SYMBOL npn2 -32 256 R0
WINDOW 0 0 4 Left 0
WINDOW 3 27 48 Left 0
SYMATTR InstName Q1
SYMATTR Value 2N5210
SYMBOL pnp2 240 192 R180
WINDOW 0 -4 91 Left 0
WINDOW 3 21 48 Left 0
SYMATTR InstName Q2
SYMATTR Value BC560B
SYMBOL pnp2 -32 192 M180
WINDOW 0 -1 92 Left 0
WINDOW 3 21 48 Left 0
SYMATTR InstName Q3
SYMATTR Value BC560B
SYMBOL npn2 240 256 M0
WINDOW 0 -3 2 Left 0
WINDOW 3 24 50 Left 0
SYMATTR InstName Q4
SYMATTR Value 2N5210
SYMBOL res 16 -32 R0
SYMATTR InstName R1
SYMATTR Value 4K7
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 160 -32 R0
SYMATTR InstName R2
SYMATTR Value 4K7
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 16 384 R0
SYMATTR InstName R3
SYMATTR Value 47
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 160 384 R0
SYMATTR InstName R4
SYMATTR Value 47
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res -80 352 R0
SYMATTR InstName R5
SYMATTR Value 100
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 304 256 R0
WINDOW 0 -37 31 Left 0
WINDOW 3 -39 64 Left 0
SYMATTR InstName R6
SYMATTR Value 100
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 448 224 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 4K7
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Robertugo\\OPAMP5 544 192 R0
WINDOW 0 -24 62 Left 0
WINDOW 38 -71 17 Left 0
SYMATTR InstName U1
SYMATTR SpiceModel level3b
SYMBOL res 448 112 R0
WINDOW 0 -37 34 Left 0
WINDOW 3 -38 63 Left 0
SYMATTR InstName R8
SYMATTR Value 220k
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Robertugo\\pote -224 352 M0
WINDOW 0 -81 50 Left 0
WINDOW 123 -57 108 Center 0
WINDOW 3 -57 83 Center 0
SYMATTR InstName Simet1
SYMATTR Value Rt=10k
SYMBOL Robertugo\\pote -112 160 M0
WINDOW 0 39 34 Left 0
WINDOW 123 74 58 Center 0
WINDOW 3 76 83 Center 0
SYMATTR InstName Forma1
SYMATTR Value Rt=5k
SYMBOL res -112 416 R180
WINDOW 0 45 102 Bottom 0
WINDOW 3 46 33 Top 0
SYMATTR InstName R9
SYMATTR Value 47K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 496 432 R90
WINDOW 0 17 111 VBottom 0
WINDOW 3 -11 -4 VTop 0
SYMATTR InstName R10
SYMATTR Value 10K
SYMATTR SpiceLine tol=1 pwr=0.1