Version 4
SHEET 1 2196 940
WIRE 304 -64 304 -112
WIRE 304 -64 144 -64
WIRE 592 -64 592 -112
WIRE 832 -64 592 -64
WIRE 1344 -64 1344 -112
WIRE 1344 -64 1184 -64
WIRE 1632 -64 1632 -112
WIRE 1872 -64 1632 -64
WIRE 304 -32 304 -64
WIRE 1344 -32 1344 -64
WIRE 144 64 144 -64
WIRE 592 64 592 -64
WIRE 1184 64 1184 -64
WIRE 1632 64 1632 -64
WIRE 304 80 304 32
WIRE 352 80 304 80
WIRE 416 80 352 80
WIRE 1344 80 1344 32
WIRE 1392 80 1344 80
WIRE 1456 80 1392 80
WIRE 304 112 304 80
WIRE 1344 112 1344 80
WIRE 416 128 544 80
WIRE 544 128 416 80
WIRE 1456 128 1584 80
WIRE 1584 128 1456 80
WIRE 832 144 832 -64
WIRE 1872 144 1872 -64
WIRE 592 192 592 144
WIRE 768 192 592 192
WIRE 912 192 832 192
WIRE 1632 192 1632 144
WIRE 1728 192 1632 192
WIRE 1808 192 1728 192
WIRE 1952 192 1872 192
WIRE 304 224 304 192
WIRE 416 224 416 128
WIRE 416 224 304 224
WIRE 1344 224 1344 192
WIRE 1456 224 1456 128
WIRE 1456 224 1344 224
WIRE 144 256 144 128
WIRE 304 256 304 224
WIRE 304 256 144 256
WIRE 1184 256 1184 128
WIRE 1344 256 1344 224
WIRE 1344 256 1184 256
WIRE 304 304 304 256
WIRE 592 304 592 192
WIRE 832 304 832 240
WIRE 1344 304 1344 256
WIRE 1872 304 1872 240
FLAG 304 304 2
IOPIN 304 304 BiDir
FLAG 352 80 N003
FLAG 304 -112 1
IOPIN 304 -112 BiDir
FLAG 592 -112 3
IOPIN 592 -112 BiDir
FLAG 592 304 5
IOPIN 592 304 BiDir
FLAG 832 304 4
IOPIN 832 304 BiDir
FLAG 912 192 [4]
FLAG 1344 304 2
IOPIN 1344 304 BiDir
FLAG 1392 80 N003
FLAG 1344 -112 1
IOPIN 1344 -112 BiDir
FLAG 1632 -112 3
IOPIN 1632 -112 BiDir
FLAG 1872 304 4
IOPIN 1872 304 BiDir
FLAG 1952 192 [4]
FLAG 1728 192 N004
SYMBOL res 320 96 M0
WINDOW 0 -37 35 Left 2
WINDOW 3 -25 64 Left 2
SYMATTR InstName R1
SYMATTR Value 2
SYMBOL diode 288 -32 R0
WINDOW 0 45 17 Left 2
WINDOW 3 44 46 Left 2
SYMATTR InstName D1
SYMATTR Value LD
SYMBOL cap 128 64 R0
WINDOW 0 40 21 Left 2
WINDOW 3 37 56 Left 2
SYMATTR InstName C1
SYMATTR Value 18p
SYMBOL g 592 160 M180
WINDOW 0 49 80 Left 2
WINDOW 3 49 46 Left 2
SYMATTR InstName G1
SYMATTR Value {Igain}
SYMBOL npn4 768 144 R0
WINDOW 0 86 -22 Left 2
WINDOW 3 88 4 Left 2
SYMATTR InstName Q1
SYMATTR Value NP
SYMBOL res 1360 96 M0
WINDOW 0 -37 35 Left 2
WINDOW 3 -25 64 Left 2
SYMATTR InstName R1
SYMATTR Value 2
SYMBOL diode 1328 -32 R0
WINDOW 0 45 17 Left 2
WINDOW 3 44 46 Left 2
SYMATTR InstName D1
SYMATTR Value LD
SYMBOL cap 1168 64 R0
WINDOW 0 40 21 Left 2
WINDOW 3 37 56 Left 2
SYMATTR InstName C1
SYMATTR Value 18p
SYMBOL g 1632 160 M180
WINDOW 0 49 80 Left 2
WINDOW 3 49 46 Left 2
SYMATTR InstName G1
SYMATTR Value {Igain}
SYMBOL npn4 1808 144 R0
WINDOW 0 86 -22 Left 2
WINDOW 3 88 4 Left 2
SYMATTR InstName Q1
SYMATTR Value NP
TEXT 96 408 Left 2 !.model LD D(Is=1e-20 Cjo=18p)\n.model NP NPN(Bf=610 Vaf=140 Ikf=15m Rc=1 Cjc=19p Cje=7p Cjs=7p C2=1e-15)
TEXT 424 -248 Left 4 ;MOC205
TEXT 328 -128 Left 2 ;A
TEXT 328 336 Left 2 ;K
TEXT 616 -128 Left 2 ;C
TEXT 616 336 Left 2 ;B
TEXT 864 336 Left 2 ;E
TEXT 96 496 Left 2 !.param Igain=.724m
TEXT 1136 408 Left 2 !.model LD D(Is=1e-20 Cjo=18p)\n.model NP NPN(Bf=1200 Vaf=140 Ikf=100m Rc=1 Cjc=19p Cje=7p Cjs=7p C2=3e-15)
TEXT 1464 -248 Left 4 ;PC817B
TEXT 1368 -128 Left 2 ;A
TEXT 1368 336 Left 2 ;K
TEXT 1656 -128 Left 2 ;C
TEXT 1904 336 Left 2 ;E
TEXT 1136 496 Left 2 !.param Igain=1.5m