Version 4
SHEET 1 1636 680
WIRE 688 -160 288 -160
WIRE 1136 -160 688 -160
WIRE 288 -80 288 -160
WIRE 384 -80 368 -80
WIRE 688 -80 688 -160
WIRE 1136 -80 1136 -160
WIRE 288 0 288 -80
WIRE 384 0 336 0
WIRE 688 0 688 -80
WIRE 768 0 736 0
WIRE 144 80 112 80
WIRE 288 80 288 64
WIRE 288 80 224 80
WIRE 112 128 112 80
WIRE 1136 128 1136 0
WIRE 688 160 688 64
WIRE 688 160 240 160
WIRE 288 224 288 80
WIRE 688 224 688 160
WIRE 112 272 112 208
WIRE 240 272 240 160
WIRE 240 272 112 272
WIRE 288 304 288 224
WIRE 368 304 336 304
WIRE 688 304 688 224
WIRE 768 304 736 304
WIRE 288 400 288 368
WIRE 688 400 688 368
WIRE 688 400 288 400
WIRE 1136 400 1136 208
WIRE 1136 400 688 400
WIRE 688 432 688 400
FLAG 688 432 0
SYMBOL voltage 112 112 R0
WINDOW 0 10 -1 Left 2
WINDOW 3 53 32 VRight 2
WINDOW 123 0 0 Left 2
WINDOW 39 84 55 VRight 2
SYMATTR InstName V1
SYMATTR Value SINE(0 325 50)
SYMATTR SpiceLine Rser=1
SYMBOL ind 1120 -96 R0
SYMATTR InstName L1
SYMATTR Value 200m
SYMBOL res 1120 112 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL voltage 384 224 R90
WINDOW 0 -62 80 VTop 2
WINDOW 3 -36 -129 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 10 13m 1u 1u 100u 10m)
SYMBOL Misc\\SCR 304 368 R180
SYMATTR InstName U2
SYMBOL Misc\\SCR 304 64 R180
SYMATTR InstName U1
SYMBOL Misc\\SCR 704 64 R180
SYMATTR InstName U3
SYMBOL Misc\\SCR 704 368 R180
SYMATTR InstName U4
SYMBOL res 352 208 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL res 752 208 R0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL res 752 -96 R0
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res 368 -96 R0
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL voltage 784 224 R90
WINDOW 0 -62 70 VTop 2
WINDOW 3 -36 -129 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 10 3m 1u 1u 100u 10m)
SYMBOL voltage 784 -80 R90
WINDOW 0 -62 76 VTop 2
WINDOW 3 -36 -129 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 10 13m 1u 1u 100u 10m)
SYMBOL voltage 384 -80 R90
WINDOW 0 -64 77 VTop 2
WINDOW 3 -36 -129 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value PULSE(0 10 3m 1u 1u 100u 10m)
SYMBOL ind 128 96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 100µ
TEXT -168 96 Left 2 !.tran .1
TEXT -168 224 Left 2 !.subckt SCR A G K\nQ1 N001 G K NPN1\nQ2 G N001 A PNP1\nR1 G K 1k\nR2 A N001 1k\n.model NPN1 NPN Cjc=10p Cje=10p\n.model PNP1 PNP Cjc=10p Cje=10p\n.ends SCR