Version 4
SHEET 1 880 680
WIRE 144 -144 80 -144
WIRE 240 -144 208 -144
WIRE 336 -144 304 -144
WIRE 416 -144 400 -144
WIRE 576 -144 480 -144
WIRE 256 -32 192 -32
WIRE 352 -32 320 -32
WIRE -128 32 -192 32
WIRE -112 32 -128 32
WIRE 80 32 80 -144
WIRE 80 32 -48 32
WIRE 576 32 576 -144
WIRE 688 32 576 32
WIRE 80 64 80 32
WIRE 192 64 192 -32
WIRE 192 64 80 64
WIRE 352 64 352 -32
WIRE 368 64 352 64
WIRE 576 64 576 32
WIRE 576 64 448 64
WIRE -192 112 -192 32
WIRE 192 112 192 64
WIRE 256 112 192 112
WIRE 352 112 352 64
WIRE 352 112 320 112
WIRE 80 272 80 64
WIRE 144 272 80 272
WIRE 256 272 208 272
WIRE 352 272 320 272
WIRE 432 272 416 272
WIRE 576 272 576 64
WIRE 576 272 496 272
WIRE -192 368 -192 192
WIRE 96 368 -192 368
WIRE 688 368 688 32
WIRE 688 368 96 368
WIRE 96 384 96 368
FLAG 96 384 0
FLAG 80 64 V_diod
IOPIN 80 64 In
SYMBOL res 464 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL LED 256 96 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 72 32 VTop 2
SYMATTR InstName D9
SYMATTR Value DLED_GN
SYMBOL LED 320 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 72 32 VTop 2
SYMATTR InstName D10
SYMATTR Value DLED_RD
SYMBOL voltage -192 96 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 400
SYMATTR InstName V1
SYMATTR Value PULSE(0 400 2 0 0 2 4 10)
SYMBOL res -32 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL diode 208 -160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4007
SYMBOL diode 304 -160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N4007
SYMBOL diode 400 -160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value 1N4007
SYMBOL diode 480 -160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMATTR Value 1N4007
SYMBOL diode 144 256 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D5
SYMATTR Value 1N4007
SYMBOL diode 256 256 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D6
SYMATTR Value 1N4007
SYMBOL diode 352 256 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D7
SYMATTR Value 1N4007
SYMBOL diode 432 256 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D8
SYMATTR Value 1N4007
TEXT -224 376 Left 2 !.tran 0 30 0 0.1
TEXT 88 -216 Left 2 ;4 diodes: Total voltages across them is at ON state= 4x1V=4V