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<DIV><FONT face=Arial size=2>Mnohe krystaly nemaju radi paralelnu rezonanciu.
Asi aj toto je taky. Ocakaval by som, ze oscilator vyuzivajuci seriovu
rezonanciu by bol spolahlivejsi.</FONT></DIV>
<DIV> </DIV><FONT face=Arial size=2>
<DIV><BR>
Milan Mlynarčík</DIV>
<DIV> </DIV>
<DIV><BR></FONT> </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=hw@itherm.cz href="mailto:hw@itherm.cz">Pavel</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> Sunday, March 07, 2010 2:10
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: oscilator</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>tak jsem to uz rozchodil, ale stele nejsem
spokojeny s tim jak to chodi.<BR>oscilator jsem postavil na 74LVC1G04 (a
74LS14 za nim), vystup je celkem pekny, ale nenabehne to pokazde na prvni
zapnuti, obcas pomuze sahnout na hodiny co jdou co CPLD, obcas pomuze vypnout
zapnout, otazka je cim to muze byt.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Prozatim diky vsem za rady</DIV>
<DIV><BR>sehnal jsem i schema toho co je na tom pinu oscilatoru<BR></DIV>
<DIV><FONT face=Arial size=2></FONT><FONT face=Arial
size=2></FONT> </DIV>
<DIV><FONT face=Courier size=2>----+----------------+--- 5v <BR>
.|,
|<BR> |
|
|<BR> | |
3K7
|<BR>
|_|
|<BR>
|
|<BR> |______________|/<BR> |
P39 |\<BR>
\|__@__-----____|____> Out<BR> /| |
----- |<BR> | |
500R .-.<BR> |
| |
|<BR> |
----- | |<BR>
| === 14MHz |_|<BR> |
----- |<BR>
|
|
|<BR> |
--+-- |<BR>
| --+-- 30pF |<BR>
|
|
|<BR> |
|
|<BR>----+----+-----------+----- 0v</FONT></DIV></FONT>
<P>
<HR>
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