Version 4
SHEET 1 880 680
WIRE -144 112 -192 112
WIRE 128 112 -144 112
WIRE 288 112 128 112
WIRE 400 112 288 112
WIRE 480 112 400 112
WIRE -112 144 -128 144
WIRE 128 144 128 112
WIRE 128 144 112 144
WIRE 288 144 288 112
WIRE 400 144 400 112
WIRE -112 208 -160 208
WIRE 208 208 112 208
WIRE 288 256 288 224
WIRE -112 272 -176 272
WIRE 208 272 208 208
WIRE 208 272 112 272
WIRE 400 304 400 224
WIRE 400 304 352 304
WIRE 544 304 432 304
WIRE 480 320 480 112
WIRE -144 336 -144 112
WIRE -112 336 -144 336
WIRE 128 336 112 336
WIRE 432 336 432 304
WIRE 448 336 432 336
WIRE 544 352 544 304
WIRE 544 352 512 352
WIRE 560 352 544 352
WIRE -160 368 -160 208
WIRE 208 368 208 272
WIRE 208 368 -160 368
WIRE 288 368 288 352
WIRE 288 368 208 368
WIRE 448 368 288 368
WIRE -176 400 -176 272
WIRE -64 400 -176 400
WIRE 400 400 400 304
WIRE -192 416 -192 112
WIRE 128 416 128 336
WIRE 208 416 208 368
WIRE -128 432 -128 144
WIRE -96 432 -128 432
WIRE -96 464 -96 432
WIRE -192 512 -192 496
WIRE -128 512 -128 432
WIRE -128 512 -192 512
WIRE 128 512 128 480
WIRE 128 512 -128 512
WIRE 208 512 208 480
WIRE 208 512 128 512
WIRE 400 512 400 480
WIRE 400 512 208 512
WIRE 480 512 480 384
WIRE 480 512 400 512
FLAG 560 352 Out
IOPIN 560 352 Out
FLAG -96 464 0
FLAG -64 400 555Out
IOPIN -64 400 Out
SYMBOL Robertugo\\555_ALL 48 256 R0
SYMATTR InstName U1
SYMBOL cap 112 416 R0
SYMATTR InstName Cbp
SYMATTR Value 10n
SYMBOL res 272 128 R0
WINDOW 0 -36 40 Left 0
WINDOW 3 -37 69 Left 0
SYMATTR InstName R1
SYMATTR Value 2k7
SYMBOL cap 192 416 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL pnp2 352 352 R180
WINDOW 0 37 36 Left 0
WINDOW 3 39 62 Left 0
SYMATTR InstName Q1
SYMATTR Value 2N3906
SYMBOL res 384 128 R0
WINDOW 0 -36 40 Left 0
WINDOW 3 -36 66 Left 0
SYMATTR InstName R2
SYMATTR Value 47k
SYMBOL res 384 384 R0
WINDOW 0 -41 41 Left 0
WINDOW 3 -42 63 Left 0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL Robertugo\\OPAMP5 480 288 R0
WINDOW 0 -26 64 Left 0
WINDOW 38 4 105 Left 0
SYMATTR InstName U2
SYMATTR SpiceModel TL082
SYMBOL voltage -192 400 R0
WINDOW 0 -34 7 Left 0
WINDOW 3 -11 61 Left 0
SYMATTR InstName V+
SYMATTR Value 12
TEXT -50 496 Left 0 !.tran 1m