Version 4
SHEET 1 1608 680
WIRE 128 -16 32 -16
WIRE 320 -16 208 -16
WIRE 624 -16 320 -16
WIRE 768 -16 624 -16
WIRE 320 48 320 -16
WIRE 768 128 768 -16
WIRE 32 144 32 -16
WIRE 320 144 320 48
WIRE 624 176 624 -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 624 352 624 240
WIRE 624 352 416 352
WIRE 768 352 768 208
WIRE 768 352 624 352
WIRE 320 384 320 352
FLAG 320 384 0
FLAG 32 -16 VIN_
FLAG 320 48 Triac_
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 zener 640 240 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value BZX84C6V2L
SYMBOL Misc\\SCR 336 144 M0
WINDOW 0 39 32 Left 0
SYMATTR InstName U1
SYMBOL res 752 112 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 288 456 Left 0 !.lib c:\\Program Files (x86)\\LTC\\LTspiceIV\\lib\\sub\\triac.sub
TEXT 288 488 Left 0 !.inc c:\\Program Files (x86)\\LTC\\LTspiceIV\\lib\\sub\\SCR.sub