Version 4
SHEET 1 880 680
WIRE 144 -64 0 -64
WIRE 176 -64 144 -64
WIRE 288 -64 256 -64
WIRE 288 -48 288 -64
WIRE 144 -32 144 -64
WIRE 288 48 288 32
WIRE 336 48 288 48
WIRE 416 48 400 48
WIRE 288 64 288 48
WIRE 0 112 -32 112
WIRE 48 112 0 112
WIRE 144 112 144 48
WIRE 144 112 112 112
WIRE 224 112 144 112
WIRE 0 128 0 112
WIRE 144 144 144 112
WIRE 288 176 288 160
WIRE 384 176 288 176
WIRE 288 192 288 176
WIRE 384 192 384 176
WIRE 144 288 144 224
WIRE 144 288 0 288
WIRE 208 288 144 288
WIRE 288 288 288 272
WIRE 288 288 208 288
WIRE 384 288 384 256
WIRE 384 288 288 288
WIRE 208 304 208 288
FLAG 0 0 0
FLAG -32 112 Vin
IOPIN -32 112 In
FLAG 416 48 Vout
IOPIN 416 48 Out
FLAG 208 304 0
FLAG 288 48 C
FLAG 288 176 E
FLAG 224 112 B
SYMBOL cap -16 -64 R0
WINDOW 0 -34 30 Left 1
WINDOW 3 43 34 Left 1
SYMATTR InstName C1
SYMATTR Value 22µ
SYMBOL cap 112 96 R90
WINDOW 0 0 32 VBottom 1
WINDOW 3 38 29 VTop 1
SYMATTR InstName C2
SYMATTR Value 2,2u
SYMBOL res 128 -48 R0
WINDOW 0 -48 49 Left 1
WINDOW 3 38 53 Left 1
SYMATTR InstName RB1b
SYMATTR Value 560k
SYMBOL res 272 -64 R0
WINDOW 0 -31 49 Left 1
WINDOW 3 30 49 Left 1
SYMATTR InstName RC
SYMATTR Value 56k
SYMBOL res 160 -48 R270
WINDOW 0 41 49 VTop 1
WINDOW 3 0 56 VBottom 1
SYMATTR InstName RB1a
SYMATTR Value 120k
SYMBOL res 128 128 R0
WINDOW 0 -43 52 Left 1
WINDOW 3 41 54 Left 1
SYMATTR InstName RB2
SYMATTR Value 120k
SYMBOL voltage 0 192 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 V1
SYMATTR Value ""
SYMBOL npn 224 64 R0
WINDOW 0 -10 10 Left 1
WINDOW 3 33 45 Left 1
SYMATTR InstName Q1
SYMATTR Value QnB
SYMBOL cap 336 64 R270
WINDOW 0 32 32 VTop 1
WINDOW 3 -6 34 VBottom 1
SYMATTR InstName C3
SYMATTR Value 2,2u
SYMBOL res 272 176 R0
WINDOW 0 -28 53 Left 1
WINDOW 3 35 56 Left 1
SYMATTR InstName RE
SYMATTR Value 12k
SYMBOL cap 368 192 R0
WINDOW 0 -18 11 Left 1
WINDOW 3 23 48 Left 1
SYMATTR InstName C4
SYMATTR Value 22µ
SYMBOL Fontes\\+12V 288 -64 R0
WINDOW 38 0 -30 Center 1
SYMATTR InstName U1
SYMBOL res -16 112 R0
WINDOW 0 -45 49 Left 1
WINDOW 3 40 63 Left 1
SYMATTR InstName Rger
SYMATTR Value 52k
TEXT 192 336 Left 2 !.op