Version 4
SHEET 1 880 680
WIRE -80 48 -80 16
WIRE -80 144 -80 128
WIRE -32 -144 -48 -144
WIRE 0 16 -80 16
WIRE 0 48 0 16
WIRE 0 128 0 112
WIRE 16 16 0 16
WIRE 64 -272 48 -272
WIRE 64 -208 48 -208
WIRE 64 -144 32 -144
WIRE 64 -80 48 -80
WIRE 160 16 144 16
WIRE 160 128 128 128
WIRE 160 128 160 96
WIRE 160 144 160 128
WIRE 160 304 160 288
WIRE 240 128 160 128
WIRE 304 -272 288 -272
WIRE 304 -208 288 -208
WIRE 304 -144 288 -144
WIRE 304 -80 288 -80
WIRE 336 128 304 128
WIRE 336 144 336 128
WIRE 336 224 336 208
WIRE 400 -272 384 -272
WIRE 432 128 336 128
WIRE 432 144 432 128
WIRE 432 240 432 224
WIRE 432 256 432 240
WIRE 432 352 432 336
WIRE 464 240 432 240
WIRE 528 128 432 128
WIRE 544 128 528 128
WIRE 544 144 544 128
WIRE 544 240 544 224
FLAG -80 144 0
FLAG 16 16 Vcc
FLAG -48 -144 0
FLAG 144 16 Vcc
FLAG 0 128 0
FLAG 336 224 0
FLAG 544 240 0
FLAG 432 352 0
FLAG 464 240 fb
FLAG 528 128 o
FLAG 160 304 0
FLAG 128 128 swc
FLAG 48 -208 0
FLAG 48 -80 0
FLAG 400 -272 Vcc
FLAG 48 -272 swc
FLAG 304 -144 Vcc
FLAG 304 -80 fb
FLAG 304 -208 osc
SYMBOL voltage -80 32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=30m
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL cap 32 -160 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 470p
SYMBOL res 288 -256 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R1
SYMATTR Value 39
SYMBOL ind 144 0 R0
SYMATTR InstName L1
SYMATTR Value 56u
SYMATTR SpiceLine Ipk=2 Rser=0.0778 Rpar=0 Cpar=0
SYMBOL schottky 240 144 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 84 47 VBottom 0
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -16 48 R0
SYMATTR InstName C2
SYMATTR Value 47u
SYMBOL cap 320 144 R0
SYMATTR InstName C3
SYMATTR Value 47u
SYMBOL res 416 128 R0
SYMATTR InstName R2
SYMATTR Value 27k
SYMBOL res 416 240 R0
SYMATTR InstName R3
SYMATTR Value 2.45k
SYMBOL res 144 128 R0
SYMATTR InstName R4
SYMATTR Value 300
SYMBOL cap 144 224 R0
SYMATTR InstName C4
SYMATTR Value 680p
SYMBOL load2 544 144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 0.15
SYMBOL MySwc 176 -176 R0
SYMATTR InstName U1
TEXT -112 336 Left 0 !.include MySwc.sub\n.ic V(ct)=0.05 V(o)=15.1\n.tran 0 500u 0 20n uic startup