Version 4
SHEET 1 896 680
WIRE -96 -400 -208 -400
WIRE 0 -400 -96 -400
WIRE -208 -368 -208 -400
WIRE -96 -352 -96 -400
WIRE 0 -304 0 -400
WIRE 432 -288 416 -288
WIRE -208 -272 -208 -288
WIRE 416 -256 416 -288
WIRE 0 -208 0 -224
WIRE 0 -208 -96 -208
WIRE -96 -192 -96 -208
WIRE 416 -176 416 -192
WIRE 0 -128 -96 -128
WIRE 0 -112 0 -128
WIRE 416 -80 416 -96
WIRE -176 -64 -208 -64
WIRE -64 -64 -96 -64
WIRE 320 -32 160 -32
WIRE 352 -32 320 -32
WIRE 448 -32 416 -32
WIRE 512 -32 512 -288
WIRE 512 -32 448 -32
WIRE 528 -32 512 -32
WIRE 528 -16 528 -32
WIRE 160 16 160 -32
WIRE 320 16 320 -32
WIRE -208 32 -208 16
WIRE 0 32 0 -16
WIRE 448 64 448 -32
WIRE 528 96 528 64
WIRE -48 112 -208 112
WIRE 160 112 160 80
WIRE 160 112 32 112
WIRE 256 112 240 112
WIRE 320 112 320 80
WIRE 320 192 320 112
WIRE 320 192 -208 192
WIRE 160 240 160 112
WIRE 320 240 320 192
WIRE 448 304 448 128
WIRE 528 304 528 176
FLAG 160 304 0
FLAG 528 304 0
FLAG 320 304 0
FLAG 0 32 0
FLAG -208 -272 0
FLAG -208 32 0
FLAG -96 -288 0
FLAG 448 304 0
SYMBOL voltage -208 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 310 50)
SYMBOL diode 336 304 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value MUR460
SYMBOL diode 176 304 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MUR460
SYMBOL Misc\\SCR 352 -48 M90
SYMATTR InstName U1
SYMATTR Value TYN812
SYMBOL ind 512 80 R0
SYMATTR InstName L1
SYMATTR Value 50m
SYMBOL ind 48 96 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L2
SYMATTR Value 100µ
SYMBOL res 256 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL cap 320 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL ind2 528 -272 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 4m
SYMATTR Type ind
SYMBOL res 400 -192 R0
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL ind2 -16 -112 M180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L4
SYMATTR Value 4m
SYMATTR Type ind
SYMBOL npn -64 -112 R0
SYMATTR InstName Q1
SYMATTR Value BC337-25
SYMBOL res -80 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res -16 -320 R0
SYMATTR InstName R6
SYMATTR Value 47
SYMBOL TVSdiode -112 -192 R0
SYMATTR InstName D4
SYMATTR Value SMBJ24CA
SYMBOL voltage -208 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 24 96 Invisible 2
SYMATTR Value PULSE(0 5 8m 100n 100n 10µ 10m)
SYMATTR InstName V2
SYMBOL voltage -208 -384 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL diode 400 -256 R0
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL res 512 -32 R0
SYMATTR InstName R1
SYMATTR Value 25
SYMBOL cap -112 -352 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL diode 464 128 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value MUR460
SYMBOL diode 176 80 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D6
SYMATTR Value MUR460
SYMBOL diode 336 80 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D7
SYMATTR Value MUR460
TEXT -136 360 Left 2 !.include standard_sensitive_scr_pspice.lib
TEXT -136 392 Left 2 !.tran 0 100m 0 10u
TEXT 112 -368 Left 2 !K1 L3 L4 0.999