Version 4
SHEET 1 1296 1124
WIRE -1184 -320 -1680 -320
WIRE -1680 -256 -1680 -320
WIRE -1296 -240 -1312 -240
WIRE -1184 -240 -1184 -320
WIRE -1184 -240 -1232 -240
WIRE -1136 -240 -1184 -240
WIRE -1056 -240 -1072 -240
WIRE -1312 -192 -1312 -240
WIRE -1312 -192 -1376 -192
WIRE -1056 -192 -1056 -240
WIRE -880 -192 -1056 -192
WIRE -688 -192 -880 -192
WIRE -528 -192 -688 -192
WIRE -64 -192 -528 -192
WIRE -688 -160 -688 -192
WIRE -528 -160 -528 -192
WIRE -64 -160 -64 -192
WIRE -1312 -144 -1312 -192
WIRE -1296 -144 -1312 -144
WIRE -1184 -144 -1232 -144
WIRE -1136 -144 -1184 -144
WIRE -1056 -144 -1056 -192
WIRE -1056 -144 -1072 -144
WIRE -1680 -112 -1680 -176
WIRE -880 -64 -880 -192
WIRE -880 -64 -1024 -64
WIRE -688 -48 -688 -80
WIRE -880 -32 -880 -64
WIRE -1024 0 -1024 -64
WIRE -880 0 -880 -32
WIRE -528 0 -528 -80
WIRE -528 0 -624 0
WIRE -384 0 -528 0
WIRE -64 0 -64 -80
WIRE -64 0 -288 0
WIRE -1680 48 -1680 -32
WIRE -1184 48 -1184 -144
WIRE -1184 48 -1680 48
WIRE -816 64 -832 64
WIRE -688 64 -688 48
WIRE -688 64 -816 64
WIRE -528 64 -528 0
WIRE -64 96 -64 0
WIRE -880 112 -880 64
WIRE -688 112 -688 64
WIRE -1024 144 -1024 64
WIRE -880 144 -880 112
WIRE -880 144 -1024 144
WIRE -528 192 -528 128
WIRE -336 192 -336 64
WIRE -336 192 -528 192
WIRE -880 256 -880 144
WIRE -688 256 -688 192
WIRE -688 256 -880 256
WIRE -640 256 -688 256
WIRE -464 256 -560 256
WIRE -336 256 -336 192
WIRE -336 256 -384 256
WIRE -176 256 -336 256
WIRE -64 256 -64 160
WIRE -64 256 -96 256
WIRE -1376 288 -1376 -192
WIRE -64 288 -64 256
WIRE -880 320 -880 256
WIRE -880 448 -880 400
WIRE -880 560 -880 512
FLAG -1376 288 0
FLAG -880 -32 A
FLAG -880 112 K
FLAG -816 64 G
FLAG -880 560 0
FLAG -64 288 0
SYMBOL schottky -1296 -224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D7
SYMATTR Value MBRB2545CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage -1680 -272 R0
WINDOW 3 45 30 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
WINDOW 0 43 -1 Left 2
SYMATTR Value SINE(0 {13.2*sqrt(2)} 50 0 0 0 100)
SYMATTR InstName V1
SYMBOL ind -1696 -128 R0
SYMATTR InstName L1
SYMATTR Value 5m
SYMATTR SpiceLine Rser=1 Rpar=1 Cpar=1n
SYMBOL Misc\\SCR -864 0 M0
SYMATTR InstName U1
SYMATTR Value 2N2573
SYMBOL cap -1040 0 R0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL npn -624 -48 M0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL res -704 -176 R0
SYMATTR InstName R5
SYMATTR Value 22
SYMBOL res -704 96 R0
SYMATTR InstName R6
SYMATTR Value 2K2
SYMBOL cap -896 448 R0
WINDOW 39 24 84 Left 2
SYMATTR SpiceLine Rser=10m
SYMATTR InstName C_load
SYMATTR Value 1
SYMBOL npn -384 64 R270
WINDOW 0 112 23 VRight 2
WINDOW 3 86 24 VRight 2
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL res -544 -176 R0
SYMATTR InstName R4
SYMATTR Value 2K2
SYMBOL res -80 -176 R0
SYMATTR InstName R3
SYMATTR Value 2K2
SYMBOL res -544 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 4K7
SYMBOL res -80 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 5K6
SYMBOL res -368 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R_P1
SYMATTR Value 738
SYMBOL cap -544 64 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL zener -48 160 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value BZX84C6V2L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -1136 -224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MBRB2545CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -1136 -128 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value MBRB2545CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -1296 -128 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value MBRB2545CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -896 304 R0
SYMATTR InstName R7
SYMATTR Value 0.39
TEXT -1792 -312 Left 2 !.tran 100
TEXT -800 -296 Left 2 !.lib thyristr.lib