Version 4 SHEET 1 880 764 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 384 608 384 544 WIRE -256 736 -256 80 WIRE 384 736 384 688 WIRE 384 736 -256 736 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 272 272 A FLAG 480 272 B FLAG -16 -176 IOUT3 FLAG -16 -48 IOUT2 FLAG -16 80 IOUT1 SYMBOL Optos\\PC817D 144 128 R0 SYMATTR InstName UAH SYMBOL Optos\\PC817D 144 416 R0 SYMATTR InstName UBL SYMBOL Optos\\PC817D 608 128 M0 SYMATTR InstName UBH SYMBOL Optos\\PC817D 608 416 M0 SYMATTR InstName UAL SYMBOL cap 336 288 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 WINDOW 39 -16 32 VBottom 2 SYMATTR InstName C1 SYMATTR Value 1m SYMATTR SpiceLine Rser=1 SYMBOL voltage 384 704 R180 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 V1 SYMATTR Value 8 SYMATTR SpiceLine Rser=100m SYMBOL current -192 80 R270 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 -192 -176 R270 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 -192 -48 R270 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 PULSE(0 1m 0 1m 1m 1 1.1 2) SYMATTR SpiceLine load TEXT -248 -328 Left 2 !.tran 2