Version 4
SHEET 1 880 820
WIRE -192 -176 -256 -176
WIRE -16 -176 -112 -176
WIRE 752 -176 -16 -176
WIRE -256 -48 -256 -176
WIRE -192 -48 -256 -48
WIRE -16 -48 -112 -48
WIRE 384 -48 -16 -48
WIRE -256 80 -256 -48
WIRE -192 80 -256 80
WIRE -16 80 -112 80
WIRE 48 80 -16 80
WIRE 384 80 384 -48
WIRE 384 80 240 80
WIRE 512 80 384 80
WIRE 752 80 752 -176
WIRE 752 80 704 80
WIRE 48 176 0 176
WIRE 288 176 240 176
WIRE 512 176 464 176
WIRE 752 176 704 176
WIRE 0 240 0 176
WIRE 80 240 0 240
WIRE 752 240 752 176
WIRE 752 240 672 240
WIRE 288 272 288 176
WIRE 288 272 272 272
WIRE 336 272 288 272
WIRE 464 272 464 176
WIRE 464 272 400 272
WIRE 480 272 464 272
WIRE 80 304 0 304
WIRE 752 304 672 304
WIRE 0 368 0 304
WIRE 48 368 0 368
WIRE 288 368 288 272
WIRE 288 368 240 368
WIRE 464 368 464 272
WIRE 512 368 464 368
WIRE 752 368 752 304
WIRE 752 368 704 368
WIRE 48 464 0 464
WIRE 384 464 240 464
WIRE 512 464 384 464
WIRE 752 464 704 464
WIRE 0 544 0 464
WIRE 384 544 384 464
WIRE 384 544 0 544
WIRE 752 544 752 464
WIRE 752 544 384 544
WIRE -256 608 -256 80
WIRE 384 608 384 544
WIRE -256 736 -256 688
WIRE -16 736 -256 736
WIRE 384 736 384 688
WIRE 384 736 -16 736
WIRE -256 752 -256 736
FLAG 80 240 AL
FLAG 672 304 AL
FLAG 672 240 BL
FLAG 80 304 BL
FLAG -256 752 0
FLAG 480 272 A
FLAG 272 272 B
FLAG -16 -176 IOUT2
FLAG -16 -48 IOUT3
FLAG -16 80 IOUT1
FLAG -16 736 AGND
SYMBOL Optos\\PC817D 144 128 M180
SYMATTR InstName UAL
SYMBOL Optos\\PC817D 144 416 M180
SYMATTR InstName UBH
SYMBOL Optos\\PC817D 608 128 R180
SYMATTR InstName UBL
SYMBOL Optos\\PC817D 608 416 R180
SYMATTR InstName UAH
SYMBOL cap 400 256 R90
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -16 32 VBottom 2
WINDOW 40 47 0 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1m
SYMATTR SpiceLine Rser=1
SYMATTR SpiceLine2 IC=3
SYMBOL voltage 384 592 R0
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 24 0 Left 2
SYMATTR InstName Vext
SYMATTR Value 12
SYMATTR SpiceLine Rser=100m
SYMBOL current -112 80 M270
WINDOW 0 32 40 VTop 2
WINDOW 3 -32 40 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 16 40 VTop 2
SYMATTR InstName I1
SYMATTR Value PULSE(0 20m 0 1m 1m 1 10 1)
SYMATTR SpiceLine load
SYMBOL current -112 -176 M270
WINDOW 0 32 40 VTop 2
WINDOW 3 -32 40 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 16 40 VTop 2
SYMATTR InstName I2
SYMATTR Value PULSE(0 20m 1.1 1m 1m 1 10 1)
SYMATTR SpiceLine load
SYMBOL current -112 -48 M270
WINDOW 0 32 40 VTop 2
WINDOW 3 -32 40 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 16 40 VTop 2
SYMATTR InstName I3
SYMATTR Value 1m
SYMATTR SpiceLine load
SYMBOL voltage -256 592 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vmin
SYMATTR Value 6
TEXT -248 -328 Left 2 !.tran 2
LINE Normal -48 -256 -256 -256 2
LINE Normal -48 816 -48 -256 2
LINE Normal -256 816 -48 816 2