Version 4
SHEET 1 5244 756
WIRE 496 -736 448 -736
WIRE 656 -736 656 -768
WIRE 656 -736 640 -736
WIRE 672 -736 656 -736
WIRE 384 -688 336 -688
WIRE -128 -592 -128 -624
WIRE 496 -480 448 -480
WIRE 656 -480 656 -512
WIRE 656 -480 640 -480
WIRE 672 -480 656 -480
WIRE 336 -432 336 -688
WIRE 384 -432 336 -432
WIRE 128 -352 128 -416
WIRE -32 -304 -128 -304
WIRE -16 -304 -32 -304
WIRE -32 -272 -32 -304
WIRE 176 -256 128 -256
WIRE 336 -256 336 -432
WIRE 336 -256 256 -256
WIRE -128 -224 -128 -304
WIRE 496 -224 448 -224
WIRE 656 -224 656 -256
WIRE 656 -224 640 -224
WIRE 672 -224 656 -224
WIRE 336 -176 336 -256
WIRE 384 -176 336 -176
WIRE 496 32 448 32
WIRE 656 32 656 0
WIRE 656 32 640 32
WIRE 672 32 656 32
WIRE 336 80 336 -176
WIRE 384 80 336 80
FLAG -128 -144 0
FLAG 128 -416 r__VCC
FLAG -128 -512 0
FLAG 448 -640 0
FLAG 656 -768 r__VCC
FLAG -128 -624 r__VCC
FLAG 448 -384 0
FLAG 656 -512 r__VCC
FLAG 448 -128 0
FLAG 656 -256 r__VCC
FLAG 448 128 0
FLAG 656 0 r__VCC
FLAG -32 -192 0
FLAG 128 -176 0
SYMBOL voltage -128 -240 R0
WINDOW 123 -116 64 Left 2
WINDOW 39 -116 102 Left 2
WINDOW 3 -375 -7 Left 2
WINDOW 0 -81 28 Left 2
SYMATTR Value2 AC 7
SYMATTR Value PULSE(0 7 0 0 0 30m 80m 0)
SYMATTR InstName V1
SYMBOL res 160 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 0.1
SYMBOL pnp 64 -256 M180
SYMATTR InstName Q2
SYMATTR Value 2N3906
SYMBOL res 80 -320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL voltage -128 -608 R0
WINDOW 123 -116 64 Left 2
WINDOW 39 -116 102 Left 2
WINDOW 3 33 15 Left 2
WINDOW 0 -81 28 Left 2
SYMATTR Value2 AC 7
SYMATTR Value 7
SYMATTR InstName V2
SYMBOL npn 384 -736 R0
SYMATTR InstName Q3
SYMBOL LED 560 -752 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 72 32 VTop 2
SYMATTR InstName D1
SYMBOL res 656 -752 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 35
SYMBOL npn 384 -480 R0
SYMATTR InstName Q1
SYMBOL LED 560 -496 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 72 32 VTop 2
SYMATTR InstName D2
SYMBOL res 656 -496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 35
SYMBOL npn 384 -224 R0
SYMATTR InstName Q4
SYMBOL LED 560 -240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 72 32 VTop 2
SYMATTR InstName D3
SYMBOL res 656 -240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 35
SYMBOL npn 384 32 R0
SYMATTR InstName Q5
SYMBOL LED 560 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 72 32 VTop 2
SYMATTR InstName D4
SYMBOL res 656 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 35
SYMBOL res -48 -288 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 112 -272 R0
SYMATTR InstName R3
SYMATTR Value 10k
TEXT -320 8 Left 2 !.tran 0 240m 0 0.1m