Version 4
SHEET 1 880 680
WIRE -416 -432 -432 -432
WIRE -336 -432 -352 -432
WIRE -432 -304 -432 -432
WIRE 528 -304 224 -304
WIRE -432 -256 -432 -304
WIRE -432 -192 -432 -240
WIRE -336 -192 -336 -432
WIRE 224 -192 224 -304
WIRE 224 -192 -336 -192
WIRE -304 -128 -384 -128
WIRE -224 -128 -304 -128
WIRE -144 -128 -224 -128
WIRE 224 -128 224 -192
WIRE -384 -32 -384 -128
WIRE -304 -32 -304 -128
WIRE -224 -32 -224 -128
WIRE -144 -32 -144 -128
WIRE 96 -16 224 -128
WIRE 176 -16 224 -128
WIRE 256 -16 224 -128
WIRE 336 -16 224 -128
WIRE -144 64 -144 48
WIRE 96 64 96 48
WIRE 96 64 -144 64
WIRE -224 80 -224 48
WIRE 176 80 176 48
WIRE 176 80 -224 80
WIRE -304 96 -304 48
WIRE 256 96 256 48
WIRE 256 96 -304 96
WIRE -384 112 -384 48
WIRE 336 112 336 48
WIRE 336 112 -384 112
WIRE 96 128 96 64
WIRE 176 128 176 80
WIRE 256 128 256 96
WIRE 336 128 336 112
WIRE 208 304 96 192
WIRE 208 304 176 192
WIRE 208 304 256 192
WIRE 208 304 336 192
WIRE 368 304 208 304
WIRE 528 304 528 -304
WIRE 528 304 368 304
FLAG 368 304 0
SYMBOL Misc\\cell 96 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 1.2
SYMBOL Misc\\cell 176 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 1.2
SYMBOL Misc\\cell 256 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 1.2
SYMBOL Misc\\cell 336 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 1.2
SYMBOL diode 112 48 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 192 48 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL diode 272 48 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 352 48 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL res -160 -48 R0
SYMATTR InstName R3
SYMATTR Value 5000
SYMBOL res -240 -48 R0
SYMATTR InstName R4
SYMATTR Value 5000
SYMBOL res -320 -48 R0
SYMATTR InstName R5
SYMATTR Value 5000
SYMBOL res -400 -48 R0
SYMATTR InstName R6
SYMATTR Value 5000
SYMBOL npn -432 -128 R270
SYMATTR InstName Q1
SYMBOL Misc\\cell -432 -304 R0
WINDOW 0 17 -52 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 3
SYMBOL LED -416 -416 R270
WINDOW 0 72 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D5
SYMATTR Value NSCW100
TEXT 46 314 Left 2 !.tran 0.5