Version 4 SHEET 1 880 680 WIRE 272 -32 -144 -32 WIRE 272 0 272 -32 WIRE 272 112 272 80 WIRE -144 144 -144 -32 WIRE 272 144 272 112 WIRE 144 208 112 208 WIRE 112 256 112 208 WIRE -144 272 -144 224 WIRE 272 272 272 208 WIRE 112 368 112 336 FLAG 272 272 0 FLAG -144 272 0 FLAG 112 368 0 FLAG 272 112 A SYMBOL Misc\\SCR 256 144 R0 SYMATTR InstName U1 SYMATTR Value MCR100-003 SYMBOL voltage -144 128 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value SINE(0 50 50) SYMBOL res 256 -16 R0 SYMATTR InstName R1 SYMATTR Value 100 SYMBOL res 240 192 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL voltage 112 240 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 4m 1u 1u 1m 20m) TEXT -168 376 Left 0 !.lib MCR100-0003.sub TEXT -176 400 Left 0 !.tran 50m