Version 4 SHEET 1 880 680 WIRE -192 -112 -208 -112 WIRE -144 -112 -192 -112 WIRE 0 -112 -144 -112 WIRE 288 -112 0 -112 WIRE -144 -96 -144 -112 WIRE 0 -96 0 -112 WIRE 288 -80 288 -112 WIRE -96 16 -128 16 WIRE 0 16 0 -16 WIRE 0 16 -16 16 WIRE 288 48 288 0 WIRE -208 64 -208 -112 WIRE -128 64 -128 16 WIRE 48 64 -128 64 WIRE 160 64 128 64 WIRE 288 64 288 48 WIRE 288 64 224 64 WIRE 368 64 288 64 WIRE 288 80 288 64 WIRE 0 128 0 16 WIRE 224 128 0 128 WIRE 368 144 368 128 WIRE 448 144 368 144 WIRE 464 144 448 144 WIRE 464 160 464 144 WIRE -128 176 -128 64 WIRE -64 176 -128 176 WIRE 368 176 368 144 WIRE -208 256 -208 144 WIRE 0 256 0 224 WIRE 0 256 -208 256 WIRE 288 256 288 176 WIRE 288 256 0 256 WIRE 368 256 368 240 WIRE 368 256 288 256 WIRE 464 256 464 240 WIRE 464 256 368 256 WIRE -208 272 -208 256 FLAG -208 272 0 FLAG -144 -32 0 FLAG 448 144 OUT FLAG -192 -112 Ub FLAG 288 48 Q2c SYMBOL res 0 0 R90 WINDOW 0 6 56 VBottom 2 WINDOW 3 26 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 5k6 SYMBOL res 144 48 R90 WINDOW 0 6 56 VBottom 2 WINDOW 3 26 56 VTop 2 SYMATTR InstName 10k SYMATTR Value 10k SYMBOL res -16 -112 R0 SYMATTR InstName R3 SYMATTR Value 1k SYMBOL npn -64 128 R0 SYMATTR InstName Q1 SYMATTR Value BC547C SYMBOL cap 224 48 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value {Cx};10nF SYMBOL npn 224 80 R0 SYMATTR InstName Q2 SYMATTR Value BC337-40 SYMBOL ind 272 -96 R0 SYMATTR InstName L1 SYMATTR Value 1m SYMATTR SpiceLine Rser=2.6 SYMBOL schottky 352 64 R0 SYMATTR InstName D1 SYMATTR Value 1N5817 SYMBOL cap 352 176 R0 SYMATTR InstName C2 SYMATTR Value 100µ SYMBOL cap -160 -96 R0 SYMATTR InstName C3 SYMATTR Value 100µ SYMBOL current 464 160 R0 WINDOW 3 -150 121 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName LAST SYMATTR Value PULSE(0 25m 70m 120m) SYMBOL voltage -208 48 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 116 Left 2 SYMATTR InstName Batt SYMATTR Value 1.5V SYMATTR SpiceLine Rser=0.1R TEXT -186 292 Left 2 !.tran 0 200m 40m startup TEXT -200 -272 Left 2 ;Fastron 09-P102X-YY\nInductance 1mH \nfL 0.02MHz\nfo 0.252MHz\nR dc 2,6 Ohm\nRatet I DC 280mA TEXT 48 -48 Left 2 !.step param Cx List 10n 100n TEXT 56 -256 Left 2 ;fosz ca. 5,1KHz mit C1=10nF R1=4.7k TEXT -208 -312 Left 2 ;http://www.mikrocontroller.net/topic/254160#new