Dobrý den,<br><br>Momentálně nemám čas protože odjíždím do ciziny, ale pak vám to určitě spočítám.<br><br>Zdeněk<br><br><div class="gmail_quote">2010/3/16 Pavel <span dir="ltr"><<a href="mailto:hw@itherm.cz">hw@itherm.cz</a>></span><br>
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<div><font size="2" face="Arial">i bez krystalu to ma tendenci kmitat, ale tak na
cca 20MHz</font></div>
<div><font size="2" face="Arial">dotykem ruky se napeti nemeni a ani se nezatlumi
kmitani</font></div>
<div><font size="2" face="Arial"></font> </div><font color="#888888">
<div><font size="2" face="Arial">Pavel</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial"></font> </div>
</font><blockquote style="border-left: 2px solid rgb(0, 0, 0); padding-right: 0px; padding-left: 5px; margin-left: 5px; margin-right: 0px;"><div class="im">
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">----- Original Message ----- </div>
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<b>From:</b>
<a title="zdenek023ster@gmail.com" href="mailto:zdenek023ster@gmail.com" target="_blank">Zdeněk
lada</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>To:</b> <a title="hw-list@list.hw.cz" href="mailto:hw-list@list.hw.cz" target="_blank">HW-news</a> </div>
</div><div><div></div><div class="h5"><div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">
<b>Sent:</b> Tuesday, March 16, 2010 10:47
AM</div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Subject:</b> Re: oscilator</div>
<div><font size="2" face="Arial"></font><br></div>A mění se to stejnosměrné napětí
při zapnutí na vypnutí, případně při dotyku ruky?<br><br>Zdeněk<br><br>
<div class="gmail_quote">2010/3/16 Pavel <span dir="ltr"><<a href="mailto:hw@itherm.cz" target="_blank">hw@itherm.cz</a>></span><br>
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<div><font size="2" face="Arial">Konecne jsem se k tomu dostal,</font></div>
<div><font size="2" face="Arial">rozkmit je cca 0.6V</font></div>
<div><font size="2" face="Arial">napeti bez krystalu je cca 3,6V</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">otazka je co s tim</font></div>
<div><font size="2" face="Arial"></font> </div><font color="#888888">
<div><font size="2" face="Arial">Pavel</font></div>
<div><font size="2" face="Arial"></font> </div></font>
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Original Message ----- </div>
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<b>From:</b>
<a title="zdenek023ster@gmail.com" href="mailto:zdenek023ster@gmail.com" target="_blank">Zdeněk lada</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>To:</b>
<a title="hw-list@list.hw.cz" href="mailto:hw-list@list.hw.cz" target="_blank">HW-news</a> </div></div>
<div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Sent:</b>
Monday, March 08, 2010 7:52 AM</div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Subject:</b>
Re: oscilator</div>
<div><br></div></div>
<div>
<div></div>
<div>Zkuste změřit stejnosměrné napětí na vývodu když není
připojen krystal při několika zapnutích zdroje.<br>A změřte rozkmit napětí
na kondenzátoru když je krystal připojen vf milivoltmetrem či
osciloskopem.<br><br>Zdeněk<br><br>
<div class="gmail_quote">2010/3/7 Pavel <span dir="ltr"><<a href="mailto:hw@itherm.cz" target="_blank">hw@itherm.cz</a>></span><br>
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<div><font size="2" face="Arial">autor schematu bohuzel naposlal popis
jestli jsou to NPN nebo PNP, otazka jestlo to vi kdyz to obkresloval z
fotky cipu</font></div>
<div><font size="2" face="Arial">PNG je v priloze</font></div>
<div><font size="2" face="Arial"></font> </div><font color="#888888">
<div><font size="2" face="Arial">Pavel</font></div>
<div><font size="2" face="Arial"></font> </div></font>
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<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">-----
Original Message ----- </div>
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<b>From:</b>
<a title="zdenek023ster@gmail.com" href="mailto:zdenek023ster@gmail.com" target="_blank">Zdeněk lada</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>To:</b>
<a title="hw-list@list.hw.cz" href="mailto:hw-list@list.hw.cz" target="_blank">HW-news</a> </div></div>
<div>
<div></div>
<div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Sent:</b>
Sunday, March 07, 2010 7:55 PM</div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Subject:</b>
Re: oscilator</div>
<div><br></div>Dobrý den,<br><br>Mohl byste to schéma prosím poslat
jako obrázek(PNG,GIF)? Takto nevidím jestli jsou tranzistory PNP nebo
NPN a které<br>vodiče jsou spojeny.<br><br>Zdeněk<br><br><br><br>
<div class="gmail_quote">2010/3/7 Pavel <span dir="ltr"><<a href="mailto:hw@itherm.cz" target="_blank">hw@itherm.cz</a>></span><br>
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<div><font size="2" face="Arial">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 size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">Prozatim diky vsem za rady</font></div>
<div><br>sehnal jsem i schema toho co je na tom pinu
oscilatoru<br></div>
<div><font size="2" face="Arial"></font><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Courier">----+----------------+--- 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></div><br>_______________________________________________<br>HW-list
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