Version 4
SHEET 1 1724 680
WIRE 416 -128 384 -128
WIRE 528 -128 496 -128
WIRE 256 -64 224 -64
WIRE 368 -64 336 -64
WIRE 368 -32 368 -64
WIRE 720 -16 672 -16
WIRE 832 -16 784 -16
WIRE 880 -16 832 -16
WIRE 1008 -16 960 -16
WIRE 1056 -16 1008 -16
WIRE 1184 -16 1136 -16
WIRE 1280 -16 1184 -16
WIRE 1312 -16 1280 -16
WIRE 528 0 528 -48
WIRE 0 80 -32 80
WIRE 48 80 0 80
WIRE 160 80 128 80
WIRE 176 80 160 80
WIRE 368 80 368 48
WIRE 368 80 288 80
WIRE 480 80 368 80
WIRE 1312 80 1312 -16
WIRE 832 96 832 -16
WIRE 1008 96 1008 -16
WIRE 1184 96 1184 -16
WIRE -32 128 -32 80
WIRE 368 144 368 80
WIRE -32 272 -32 208
WIRE 368 272 368 224
WIRE 368 272 -32 272
WIRE 528 272 528 96
WIRE 528 272 368 272
WIRE 832 272 832 160
WIRE 832 272 528 272
WIRE 1008 272 1008 160
WIRE 1008 272 832 272
WIRE 1184 272 1184 160
WIRE 1184 272 1008 272
WIRE 1312 272 1312 160
WIRE 1312 272 1184 272
WIRE -32 288 -32 272
WIRE 176 304 176 80
WIRE 672 304 672 -16
WIRE 672 304 176 304
FLAG 1280 -16 out
FLAG -32 288 0
FLAG 0 80 src
FLAG 160 80 in
FLAG 384 -128 0
FLAG 224 -64 0
SYMBOL cap 784 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL res 1296 64 R0
SYMATTR InstName R1
SYMATTR Value 50
SYMBOL voltage -32 112 M0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 47 71 Left 2
WINDOW 3 -174 99 Left 2
SYMATTR Value2 AC 2
SYMATTR InstName V4
SYMATTR Value PULSE(6V 0V 0 5n 5n 30.715n 71.43n)
SYMBOL res 144 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 15
SYMBOL cap 816 96 R0
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL cap 992 96 R0
SYMATTR InstName C4
SYMATTR Value 1.5n
SYMBOL cap 1168 96 R0
SYMATTR InstName C5
SYMATTR Value 1.2n
SYMBOL ind2 864 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 256n
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m Rpar=50k Cpar=0.5p
SYMBOL ind2 1040 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 256n
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m Rpar=50k Cpar=0.5p
SYMBOL nmos 480 0 R0
SYMATTR InstName M1
SYMATTR Value IRF510
SYMBOL ind 512 -144 R0
WINDOW 0 41 40 Left 2
WINDOW 3 41 80 Left 2
SYMATTR InstName L1
SYMATTR Value 592n
SYMBOL voltage 512 -128 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 8V
SYMBOL cap 288 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 22n
SYMBOL voltage 352 -64 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5V
SYMBOL res 352 -48 R0
SYMATTR InstName R2
SYMATTR Value 2.2k
SYMBOL res 352 128 R0
SYMATTR InstName R4
SYMATTR Value 5.6k
TEXT -360 -64 Left 2 !.tran 0 300u 0 500p
TEXT -360 -32 Left 2 !;ac dec 1k 1Meg 100Meg
TEXT 872 -80 Left 2 ;2 x T37-2, je 8 Wdg.
TEXT 600 -136 Left 2 ;T50-2\n11Wdg.