Version 4
SHEET 1 880 680
WIRE 288 -112 144 -112
WIRE 320 -112 288 -112
WIRE 432 -112 400 -112
WIRE -400 -96 -544 -96
WIRE -368 -96 -400 -96
WIRE -256 -96 -288 -96
WIRE 432 -96 432 -112
WIRE -256 -80 -256 -96
WIRE 288 -80 288 -112
WIRE -400 -64 -400 -96
WIRE 432 0 432 -16
WIRE 480 0 432 0
WIRE 592 0 544 0
WIRE -256 16 -256 0
WIRE -208 16 -256 16
WIRE -64 16 -144 16
WIRE 432 16 432 0
WIRE -256 32 -256 16
WIRE 144 64 112 64
WIRE 192 64 144 64
WIRE 288 64 288 0
WIRE 288 64 256 64
WIRE 304 64 288 64
WIRE 368 64 304 64
WIRE -544 80 -576 80
WIRE -496 80 -544 80
WIRE -400 80 -400 16
WIRE -400 80 -432 80
WIRE -384 80 -400 80
WIRE -320 80 -384 80
WIRE 288 96 288 64
WIRE -400 112 -400 80
WIRE 432 128 432 112
WIRE 528 128 432 128
WIRE -256 144 -256 128
WIRE -160 144 -256 144
WIRE 144 144 96 144
WIRE 432 144 432 128
WIRE 528 144 528 128
WIRE -544 160 -592 160
WIRE -256 160 -256 144
WIRE -160 160 -160 144
WIRE 144 160 144 144
WIRE -544 176 -544 160
WIRE 288 240 288 176
WIRE 288 240 144 240
WIRE 352 240 288 240
WIRE 432 240 432 224
WIRE 432 240 352 240
WIRE 528 240 528 208
WIRE 528 240 432 240
WIRE 592 240 592 0
WIRE 592 240 528 240
WIRE -400 256 -400 192
WIRE -400 256 -544 256
WIRE -336 256 -400 256
WIRE -256 256 -256 240
WIRE -256 256 -336 256
WIRE -160 256 -160 224
WIRE -160 256 -256 256
WIRE 352 256 352 240
WIRE -336 272 -336 256
FLAG -544 -32 0
FLAG -592 160 Vger2
IOPIN -592 160 In
FLAG -64 16 out2
IOPIN -64 16 Out
FLAG -336 272 0
FLAG -256 16 C2
FLAG -256 144 E2
FLAG -384 80 B2
FLAG -576 80 in2
IOPIN -576 80 In
FLAG 144 -48 0
FLAG 96 144 Vger3
IOPIN 96 144 In
FLAG 352 256 0
FLAG 432 0 C3
FLAG 432 128 E3
FLAG 304 64 B3
FLAG 112 64 in3
IOPIN 112 64 In
SYMBOL cap -560 -96 R0
WINDOW 0 -34 30 Left 1
WINDOW 3 43 34 Left 1
SYMATTR InstName C5
SYMATTR Value 22µ
SYMBOL cap -432 64 R90
WINDOW 0 0 32 VBottom 1
WINDOW 3 38 29 VTop 1
SYMATTR InstName C6
SYMATTR Value 2,2u
SYMBOL res -416 -80 R0
WINDOW 0 -48 49 Left 1
WINDOW 3 38 53 Left 1
SYMATTR InstName RB1
SYMATTR Value 560k
SYMBOL res -272 -96 R0
WINDOW 0 -31 49 Left 1
WINDOW 3 30 49 Left 1
SYMATTR InstName RC1
SYMATTR Value 56k
SYMBOL res -384 -80 R270
WINDOW 0 41 49 VTop 1
WINDOW 3 0 56 VBottom 1
SYMATTR InstName RB3
SYMATTR Value 120k
SYMBOL res -416 96 R0
WINDOW 0 -43 52 Left 1
WINDOW 3 41 54 Left 1
SYMATTR InstName RB4
SYMATTR Value 120k
SYMBOL voltage -544 160 R0
WINDOW 123 -70 62 Left 1
WINDOW 39 0 0 Left 2
WINDOW 0 -61 35 Left 1
SYMATTR Value2 AC 1
SYMATTR InstName V2
SYMATTR Value ""
SYMBOL npn -320 32 R0
WINDOW 0 -10 10 Left 1
WINDOW 3 33 45 Left 1
SYMATTR InstName Q2
SYMATTR Value QnB
SYMBOL cap -208 32 R270
WINDOW 0 32 32 VTop 1
WINDOW 3 -6 34 VBottom 1
SYMATTR InstName C7
SYMATTR Value 2,2u
SYMBOL res -272 144 R0
WINDOW 0 -28 53 Left 1
WINDOW 3 35 56 Left 1
SYMATTR InstName RE1
SYMATTR Value 12k
SYMBOL cap -176 160 R0
WINDOW 0 -18 11 Left 1
WINDOW 3 23 48 Left 1
SYMATTR InstName C8
SYMATTR Value 22µ
SYMBOL Fontes\\+12V -256 -96 R0
WINDOW 38 0 -30 Center 1
SYMATTR InstName U2
SYMBOL res -560 64 R0
SYMATTR InstName R2
SYMATTR Value 52k
SYMBOL cap 128 -112 R0
WINDOW 0 -34 30 Left 1
WINDOW 3 43 34 Left 1
SYMATTR InstName C9
SYMATTR Value 22µ
SYMBOL cap 256 48 R90
WINDOW 0 0 32 VBottom 1
WINDOW 3 38 29 VTop 1
SYMATTR InstName C10
SYMATTR Value 2,2u
SYMBOL res 272 -96 R0
WINDOW 0 -48 49 Left 1
WINDOW 3 38 53 Left 1
SYMATTR InstName RB5
SYMATTR Value 560k
SYMBOL res 416 -112 R0
WINDOW 0 -31 49 Left 1
WINDOW 3 30 49 Left 1
SYMATTR InstName RC2
SYMATTR Value 56k
SYMBOL res 304 -96 R270
WINDOW 0 41 49 VTop 1
WINDOW 3 0 56 VBottom 1
SYMATTR InstName RB6
SYMATTR Value 120k
SYMBOL res 272 80 R0
WINDOW 0 -43 52 Left 1
WINDOW 3 41 54 Left 1
SYMATTR InstName RB7
SYMATTR Value 120k
SYMBOL voltage 144 144 R0
WINDOW 123 -70 62 Left 1
WINDOW 39 0 0 Left 2
WINDOW 0 -61 35 Left 1
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value ""
SYMBOL npn 368 16 R0
WINDOW 0 -10 10 Left 1
WINDOW 3 33 45 Left 1
SYMATTR InstName Q3
SYMATTR Value QnB
SYMBOL cap 480 16 R270
WINDOW 0 32 32 VTop 1
WINDOW 3 -6 34 VBottom 1
SYMATTR InstName C11
SYMATTR Value 1
SYMBOL res 416 128 R0
WINDOW 0 -28 53 Left 1
WINDOW 3 35 56 Left 1
SYMATTR InstName RE2
SYMATTR Value 12k
SYMBOL cap 512 144 R0
WINDOW 0 -18 11 Left 1
WINDOW 3 23 48 Left 1
SYMATTR InstName C12
SYMATTR Value 22µ
SYMBOL Fontes\\+12V 432 -112 R0
WINDOW 38 0 -30 Center 1
SYMATTR InstName U3
SYMBOL res 128 48 R0
SYMATTR InstName R3
SYMATTR Value 52k
TEXT -88 320 Left 2 !.ac oct 100 1 500K