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<DIV><FONT face=Arial size=2>Ten odkaz na ADuMy mel byt:</FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.analog.com/en/subCat/0,2879,767%255F827%255F0%255F%255F0%255F,00.html">http://www.analog.com/en/subCat/0,2879,767%255F827%255F0%255F%255F0%255F,00.html</A></FONT></DIV>
<DIV><FONT face=Arial size=2>CK</FONT></DIV>
<DIV> </DIV>
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style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=ck@cbox.cz href="mailto:ck@cbox.cz">Ctirad Konečný</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=hw-list@list.hw.cz
href="mailto:hw-list@list.hw.cz">HW-news</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Saturday, December 08, 2007 9:54
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Oddeleni RS232</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial>
<H1><FONT size=2>Dobry den.</FONT></H1>
<DIV><FONT size=2>Doporucuji pouzit misto optronu obvody ADuM od Analog
devices. </FONT></DIV>
<DIV><FONT size=2><A
href="http://www.analog.com/en/subCat/0,2879,767%255F829%255F0%255F%255F0%255F,00.html">http://www.analog.com/en/subCat/0,2879,767%255F829%255F0%255F%255F0%255F,00.html</A></FONT></DIV>
<DIV><FONT size=2>Jsou mnohem spolehlivejsi, jsou rychlejsi, maji mensi
spotrebu a existuji typy s barierou az 5 kV. Najdete i typy s internim DC/DC
menicem.</FONT></DIV>
<DIV><FONT size=2>Zdravim</FONT></DIV>
<DIV><FONT size=2>CK</FONT></DIV>
<DIV><FONT size=2> </FONT></DIV>
<H1><FONT size=2>Pouzivam 6N137. Pro rychlost 19,2kBd bohate staci.<BR>Prislo
mi zbytecne slozite vyrabet DC/DC konvertorem 5V, pak nabojovou <BR>pumpou 10
a -10V, kdyz bych mohl rovnou pouzit konvertor +/-12V. Jenze <BR>jsem nenasel
vhodny interfaceovy obvod. Proto ten napad s tranzistory.<BR></FONT><FONT
size=2>Zdenek<BR><BR>Jaroslav Buchta napsal(a):<BR>></FONT><FONT size=2><I>
K cemu je dobre delat to s tranzistory? <BR></I>></FONT><FONT
size=2><I> Jinak optrony doporucuji nejake rychle, aspon 6N137 (ty teda
trosku<BR></I>></FONT><FONT size=2><I> zerou)<BR></I>></FONT><FONT
size=2><I> S tranzistory snad jen v pripade, ze je potreba extremne nizka
spotreba<BR></I>></FONT><FONT size=2><I> (pak by asi sly optrony 6N136, ty
jsou pasivni a nezerou defaultne nic<BR></I>></FONT><FONT size=2><I>
tusim)<BR></I>></FONT><FONT size=2><I> Ale treba jsem mimo a neco mi
uniklo.<BR></I>></FONT><I><FONT size=2> <BR></H1></FONT></I></FONT></DIV>
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