Version 4 SHEET 1 880 680 WIRE -256 176 -256 112 WIRE -256 320 -256 256 WIRE -208 112 -256 112 WIRE -80 112 -128 112 WIRE -80 320 -256 320 WIRE -48 -80 -48 -128 WIRE -48 48 -48 0 WIRE -48 320 -80 320 WIRE -48 320 -48 112 WIRE 240 -128 -48 -128 WIRE 240 32 240 -128 WIRE 240 320 -48 320 WIRE 240 320 240 112 FLAG -80 320 0 SYMBOL voltage 240 16 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value SINE(0 100 100) SYMBOL voltage -256 160 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 20 1m 1u 1u 2m 5m) SYMBOL res -64 -96 R0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL res -112 96 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 100 SYMBOL EXTRA\\TECCOR\\SCR\\S4008LS3 -48 80 R0 SYMATTR InstName U1 TEXT -290 506 Left 0 !.tran 1s