Version 4
SHEET 1 2848 1820
WIRE 1360 1184 1168 1184
WIRE 1488 1184 1424 1184
WIRE 1568 1184 1488 1184
WIRE 1680 1184 1568 1184
WIRE 1728 1184 1680 1184
WIRE 1840 1184 1808 1184
WIRE 1904 1184 1840 1184
WIRE 2048 1184 1968 1184
WIRE 2176 1184 2048 1184
WIRE 2240 1184 2176 1184
WIRE 2240 1216 2240 1184
WIRE 1168 1248 1168 1184
WIRE 1360 1264 1360 1184
WIRE 1424 1264 1424 1184
WIRE 1488 1264 1488 1184
WIRE 2048 1264 2048 1248
WIRE 1680 1296 1680 1184
WIRE 1840 1296 1840 1184
WIRE 2048 1344 2048 1328
WIRE 1568 1424 1568 1184
WIRE 1616 1424 1568 1424
WIRE 1952 1424 1904 1424
WIRE 2048 1424 2048 1408
WIRE 2048 1424 2032 1424
WIRE 1168 1440 1168 1328
WIRE 1952 1504 1952 1424
WIRE 2048 1504 2048 1488
WIRE 1168 1584 1168 1520
WIRE 1360 1584 1360 1328
WIRE 1360 1584 1168 1584
WIRE 1424 1584 1424 1328
WIRE 1424 1584 1360 1584
WIRE 1488 1584 1488 1328
WIRE 1488 1584 1424 1584
WIRE 1760 1584 1760 1552
WIRE 1760 1584 1488 1584
WIRE 1952 1584 1760 1584
WIRE 2048 1584 1952 1584
WIRE 2240 1584 2240 1280
WIRE 2240 1584 2048 1584
WIRE 1760 1600 1760 1584
FLAG 1760 1600 0
FLAG 2176 1184 OUT
SYMBOL ind 1712 1200 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 22µ
SYMATTR SpiceLine Ipk=0.36 Rser=0.417 Rpar=2073 Cpar=0 mfg="Coilcraft" pn="MSS4020-223MX"
SYMBOL VOLTAGE 1168 1424 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
WINDOW 3 -22 180 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 15 0 .1m .1m 4m 5m)
SYMBOL diode 1904 1200 R270
WINDOW 0 33 -21 VTop 2
WINDOW 3 63 76 VBottom 2
SYMATTR InstName D1
SYMATTR Value MMSD4148
SYMATTR Description Schottky diode
SYMATTR Type schottky
SYMBOL cap 2224 1216 R0
SYMATTR InstName C1
SYMATTR Value 470n
SYMATTR SpiceLine V=10 Irms=0 Rser=0.02 Lser=0
SYMBOL res 2032 1488 R0
SYMATTR InstName R1
SYMATTR Value 68
SYMBOL LED 2032 1184 R0
WINDOW 0 24 5 Left 2
WINDOW 3 25 66 Left 2
SYMATTR InstName D2
SYMATTR Value NSPW500BS
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 2032 1264 R0
WINDOW 0 24 5 Left 2
WINDOW 3 25 66 Left 2
SYMATTR InstName D3
SYMATTR Value NSPW500BS
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 2032 1344 R0
WINDOW 0 24 5 Left 2
WINDOW 3 25 66 Left 2
SYMATTR InstName D4
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 1472 1264 R0
SYMATTR InstName C2
SYMATTR Value 470n
SYMATTR SpiceLine V=10 Irms=0 Rser=0.02 Lser=0
SYMBOL LED 2032 1424 R0
WINDOW 0 24 5 Left 2
WINDOW 3 25 66 Left 2
SYMATTR InstName D5
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 1408 1264 R0
SYMATTR InstName C3
SYMATTR Value .22
SYMATTR SpiceLine V=5.5 Irms=.1 Rser=75
SYMBOL zener 1376 1328 R180
WINDOW 0 24 64 Left 2
WINDOW 3 21 3 Left 2
SYMATTR InstName D6
SYMATTR Value BZX84C6V2L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL diode 1360 1200 R270
WINDOW 0 33 -9 VTop 2
WINDOW 3 60 85 VBottom 2
SYMATTR InstName D7
SYMATTR Value MMSD4148
SYMBOL res 1152 1232 R0
SYMATTR InstName R2
SYMATTR Value 68
SYMBOL res 1936 1488 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 2048 1408 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL PowerProducts\\LT1615-1 1760 1424 R0
SYMATTR InstName U1
TEXT 2128 1600 Left 2 !.tran 12m
TEXT 2112 1288 Left 2 ;2x weiss
TEXT 2112 1448 Left 2 ;2x rot