Version 4
SHEET 1 1608 680
WIRE 128 -16 32 -16
WIRE 320 -16 208 -16
WIRE 576 -16 320 -16
WIRE 32 144 32 -16
WIRE 320 144 320 -16
WIRE 576 144 576 -16
WIRE 416 208 368 208
WIRE 416 240 416 208
WIRE 32 352 32 224
WIRE 320 352 320 208
WIRE 320 352 32 352
WIRE 416 352 416 320
WIRE 416 352 320 352
WIRE 576 352 576 224
WIRE 576 352 416 352
WIRE 320 384 320 352
FLAG 320 384 0
FLAG 32 -16 VIN_
SYMBOL voltage 32 128 R0
WINDOW 3 -364 88 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 -364 116 Left 0
SYMATTR Value PULSE(0 10 0 0.5m 0.5m 0m 1.05m 0)
SYMATTR SpiceLine Rser=1
SYMATTR InstName V1
SYMBOL Misc\\SCR 336 144 M0
WINDOW 0 39 32 Left 0
SYMATTR InstName U1
SYMATTR Value EC103D1
SYMBOL res 560 128 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 224 -32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 10
SYMBOL voltage 416 224 R0
WINDOW 3 -56 -268 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 -57 -234 Left 0
SYMATTR Value PULSE(0 3 1.6m 0.01m 0.01m 0.05m 1.05 0)
SYMATTR InstName V2
TEXT 288 408 Left 0 !.tran 4m
TEXT 352 392 Left 2 !.inc EC103D1.cir