Version 4
SHEET 1 1336 804
WIRE 848 0 544 0
WIRE -112 32 -256 32
WIRE 48 32 -32 32
WIRE 112 32 48 32
WIRE 240 32 192 32
WIRE 336 32 240 32
WIRE 432 32 336 32
WIRE 768 32 432 32
WIRE 336 64 336 32
WIRE 432 64 432 32
WIRE 240 80 240 32
WIRE 768 80 768 32
WIRE 48 112 48 32
WIRE -256 128 -256 32
WIRE 112 176 96 176
WIRE 336 176 336 144
WIRE 336 176 176 176
WIRE 432 176 432 128
WIRE 432 176 336 176
WIRE 624 176 432 176
WIRE 768 176 768 160
WIRE 768 176 688 176
WIRE 336 224 336 176
WIRE 768 224 768 176
WIRE -256 320 -256 208
WIRE 48 320 48 176
WIRE 48 320 -256 320
WIRE 240 320 240 144
WIRE 240 320 48 320
WIRE 336 320 336 288
WIRE 336 320 240 320
WIRE 768 320 768 288
WIRE 768 320 336 320
WIRE 48 352 48 320
WIRE 544 352 544 0
WIRE 848 352 848 0
WIRE 848 352 544 352
FLAG 48 352 0
SYMBOL res 320 48 R0
SYMATTR InstName R1
SYMATTR Value 500k
SYMBOL cap 320 224 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap 752 224 R0
SYMATTR InstName C2
SYMATTR Value 330n
SYMBOL res 208 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 784 176 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 150k
SYMBOL cap 224 80 R0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL res -16 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL voltage -256 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -99 232 Left 2
SYMATTR Value SINE(0 310 50 0 0 0 10)
SYMATTR InstName V1
SYMBOL res2 416 64 R0
WINDOW 0 36 81 Left 2
SYMATTR InstName R10
SYMATTR Value 500k
SYMBOL res2 688 160 R90
WINDOW 0 -44 33 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName R3
SYMATTR Value 47k
SYMBOL Misc\\DIAC 176 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 64 32 VTop 2
SYMATTR InstName U2
SYMATTR Value DB3TG
SYMATTR Prefix X1
SYMBOL Misc\\TRIAC 80 112 M0
SYMATTR InstName U1
SYMATTR Value BTB16-600B
TEXT -56 -104 Left 2 !.tran 100m
TEXT -56 -64 Left 2 !.lib "C:\\Program Files\\LTC\\LTspiceIV\\lib\\sym\\extra\\ST\\TRIAC\\Triac_st.lib"