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<P> 23.10.2007, 12:09:39</P>
<P>dobry den</P>
<P><BR></P>
<P>a nemuze to byt treba tim ze MCU na interne nejaky pull-up rezistor ?</P>
<P><BR></P>
<P>S pozdravem Pavel</P>
<P> <A class=RVTS6 href="mailto:gatilo">mailto:gatilo</A> + zavinac + centrum.cz</P>
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<P>--</P>
<P>Luboš Melichar napsal:</P>
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<P><SPAN class=RVTS8>Pro ilustraci jeste dodavam obrazek.</SPAN></P>
<P><SPAN class=RVTS8>Stejna detekce se pouziva treba zde</SPAN></P>
<P><BR></P>
<P><A class=RVTS9 href="http://projekt.cvut.org/index_soubory/image036.jpg">http://projekt.cvut.org/index_soubory/image036.jpg</A></P>
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<P><SPAN class=RVTS8>primo za usmernovacem odpor 2K2 a zenerka 4V7 </SPAN></P>
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<P><SPAN class=RVTS8>On 10/23/07, </SPAN><SPAN class=RVTS10>Luboš Melichar</SPAN><SPAN class=RVTS8> <</SPAN><A class=RVTS9 href="mailto:lubos.melichar@gmail.com">lubos.melichar@gmail.com</A><SPAN class=RVTS8>> wrote:</SPAN></P>
<P><SPAN class=RVTS8>Zdravim,</SPAN></P>
<P><SPAN class=RVTS8>potrebuju detekovat nulu sitoveho napeti pro spinani triaku.</SPAN></P>
<P><SPAN class=RVTS8>Zkusil sem zenerovu diodu (s odporem) umistenou za usmernovac.</SPAN></P>
<P><SPAN class=RVTS8>Bohuzel dostatecny pokles napeti dostavam pouze kazdou druhou pulvlnu. (overeno na osciloscopu, strida se maly pokles s velikym) </SPAN></P>
<P><SPAN class=RVTS8>Netusite proc? Nestiha se zenerka zavrit? </SPAN></P>
<P><BR></P>
<P><SPAN class=RVTS8>dekuji.</SPAN></P>
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