Version 4 SHEET 1 1220 680 WIRE 16 -144 -416 -144 WIRE 192 -144 16 -144 WIRE 384 -144 192 -144 WIRE 560 -144 384 -144 WIRE 656 -144 560 -144 WIRE 832 -144 656 -144 WIRE 1024 -144 832 -144 WIRE 16 -48 16 -144 WIRE 192 -48 192 -144 WIRE 384 -48 384 -144 WIRE 560 -48 560 -144 WIRE 656 -48 656 -144 WIRE 832 -48 832 -144 WIRE 1024 -48 1024 -144 WIRE 16 64 16 32 WIRE 80 64 16 64 WIRE 192 64 192 32 WIRE 192 64 144 64 WIRE 272 64 192 64 WIRE 384 64 384 32 WIRE 384 64 304 64 WIRE 448 64 384 64 WIRE 656 64 656 32 WIRE 720 64 656 64 WIRE 832 64 832 32 WIRE 832 64 784 64 WIRE 912 64 832 64 WIRE 1024 64 1024 32 WIRE 1024 64 944 64 WIRE 1088 64 1024 64 WIRE 16 96 16 64 WIRE 304 96 304 64 WIRE 304 96 208 96 WIRE 384 96 384 64 WIRE 656 96 656 64 WIRE 944 96 944 64 WIRE 944 96 848 96 WIRE 1024 96 1024 64 WIRE 112 144 80 144 WIRE 128 144 112 144 WIRE 208 144 208 96 WIRE 272 144 272 64 WIRE 320 144 272 144 WIRE 560 144 560 32 WIRE 608 144 560 144 WIRE 752 144 720 144 WIRE 768 144 752 144 WIRE 848 144 848 96 WIRE 912 144 912 64 WIRE 960 144 912 144 WIRE -416 160 -416 -144 WIRE 112 208 112 144 WIRE 560 208 560 144 WIRE 752 208 752 144 WIRE 496 256 448 256 WIRE 608 288 608 144 WIRE 752 288 608 288 WIRE -416 336 -416 240 WIRE 16 336 16 192 WIRE 16 336 -416 336 WIRE 384 336 384 192 WIRE 384 336 16 336 WIRE 560 336 560 304 WIRE 560 336 384 336 WIRE 656 336 656 192 WIRE 656 336 560 336 WIRE 1024 336 1024 192 WIRE 1024 336 656 336 WIRE 80 368 48 368 WIRE 112 368 112 288 WIRE 112 368 80 368 WIRE 208 368 112 368 WIRE 208 400 208 368 WIRE 336 400 208 400 WIRE 448 400 448 256 WIRE 448 400 416 400 WIRE 80 416 80 368 WIRE -416 464 -416 336 WIRE 80 544 80 496 FLAG -416 464 0 FLAG 80 544 0 FLAG 48 368 IN IOPIN 48 368 In FLAG 448 64 OUT1 IOPIN 448 64 Out FLAG 1088 64 OUT2 IOPIN 1088 64 Out SYMBOL npn 320 96 R0 SYMATTR InstName Q1 SYMBOL npn 80 96 M0 SYMATTR InstName Q2 SYMBOL voltage -416 144 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL res 0 -64 R0 SYMATTR InstName R1 SYMATTR Value 470 SYMBOL res 368 -64 R0 SYMATTR InstName R2 SYMATTR Value 470 SYMBOL cap 144 48 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 100n SYMBOL res 176 -64 R0 SYMATTR InstName R3 SYMATTR Value 33k SYMBOL res 224 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 33k SYMBOL res 96 192 R0 SYMATTR InstName R5 SYMATTR Value 33k SYMBOL voltage 80 400 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 0 0 0 1m 10m) SYMBOL npn 960 96 R0 SYMATTR InstName Q3 SYMBOL npn 720 96 M0 SYMATTR InstName Q4 SYMBOL res 640 -64 R0 SYMATTR InstName R6 SYMATTR Value 470 SYMBOL res 1008 -64 R0 SYMATTR InstName R7 SYMATTR Value 470 SYMBOL cap 784 48 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 100n SYMBOL res 816 -64 R0 SYMATTR InstName R8 SYMATTR Value 33k SYMBOL res 864 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 33k SYMBOL res 736 192 R0 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL npn 496 208 R0 SYMATTR InstName Q5 SYMBOL res 544 -64 R0 SYMATTR InstName R11 SYMATTR Value 470 SYMBOL res 432 384 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 4k7 TEXT -450 568 Left 2 !.tran 12m