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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Uz ju mam kupenu a stala 20$ aj s postovnym.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Neviem odhadnut aky je frekvencny limit u jednostrannej dosky<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">bez poriadne porozlievanej a prekovenej zemniacej a napajacej casti
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Co sa tyka harmonickych, u pravouhleho signalu su tam z principu<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">u DDS su tam neziaduce produkty ktore vznikaju kratenim ladiaceho
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">slova a to by som videl mozno ako vacsi problem<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">j.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> hw-list-bounces@list.hw.cz [mailto:hw-list-bounces@list.hw.cz]
<b>On Behalf Of </b>hutta.j@seznam.cz<br>
<b>Sent:</b> Monday, March 04, 2013 2:16 PM<br>
<b>To:</b> HW-news<br>
<b>Subject:</b> RE: Citac N s 74AC161<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Kolik stoji ta Si570, ja ji u Mousera nasel za 18Liber.<br>
Neni lepsi na ebay koupit AD9951 (9954), pri trose snahy to najednostranou desku osadite a pri pretaktovani na 500MHz vam z toho poleze i vice nez 200MHz, laditelnost a ovladatelnost by mela byt lepsi nez Si570 + neco pro nizsi frekvence.
<br>
<br>
Hutta<br>
<br>
<br>
<br>
<br>
<o:p></o:p></p>
<p>---------- Původní zpráva ----------<br>
Od: Zuffa Jan <ZuffaJ@cgc.sk><br>
Datum: 4. 3. 2013<br>
Předmět: RE: Citac N s 74AC161<o:p></o:p></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Generator s rozsahom 1Hz - 200MHz<br>
Vystup pravouhly signal<br>
Vstup bude RS232 alebo Bluetooth na komunikaciu s PC<br>
Ladit staci v kroku povedzme 10Hz<br>
Rychlejsie zapojenie nefungovalo v simulatore napr. ked som pre druhy citac<br>
zadal ako vstup 0000 - prestal delit<br>
Fmax vyslo 30MHz pri pomalom zapojeni.<br>
Ano staci za sebou zapojit aj 4 delicky /10 a prepinat medzi vystupami<br>
zvysok urobi Si570<br>
<br>
Chcel som konstrukciu ktora bude zaujimava, cenovo prijatelna.<br>
Cize na 1 vrstvej doske, samodomo komplet<br>
<br>
j.<br>
<br>
-----Original Message-----<br>
From: hw-list-bounces@list.hw.cz [mailto:hw-list-bounces@list.hw.cz] On Behalf Of Jan Waclawek<br>
Sent: Friday, March 01, 2013 6:43 PM<br>
To: HW-news<br>
Subject: RE: Citac N s 74AC161<br>
<br>
Co vlastne chces dosiahnut? Co je vstup a co je vystup? Co vsetko chces mat premenlive a v akom rozsahu? Ako Ti vyslo fmax na 30MHz, pri akom zapojeni, ta schema na strane 2-514 v spomenutom datasheete? A preco rychlejsie zapojenie (ktore to bolo) nefungovalo
podla Tvojich predstav?<br>
<br>
A preco, ak Ti ide len o delenie frekvencie, vobec trvas na synchronnej delicke? A treba aj to prednastavenie?<br>
<br>
wek<br>
<br>
<br>
----- Original Message ---------------<br>
<br>
Subject: RE: Citac N s 74AC161<br>
From: Zuffa Jan <<a href="mailto:ZuffaJ@cgc.sk">ZuffaJ@cgc.sk</a>><br>
Date: Fri, 1 Mar 2013 09:48:30 +0000<br>
To: HW-news <<a href="mailto:hw-list@list.hw.cz">hw-list@list.hw.cz</a>><br>
<br>
>Povodne som zamyslal citace pouzit na vydelenie frekvencie na <br>
>rozsirenie rozsahu<br>
>Si570 pod 10MHz, delilo by sa v rozsahu 10-100MHz. <br>
>Po prestudovani datasitu, prepoctoch a simulacii v MicroCape mi <br>
>vychadza ze max f u kaskady 4 citacov vychadza na 30MHz. Rychlejsie <br>
>zapojenie uvedene v datasite mi nejak nefunogvalo podla mojich predstav Takze som tuto myslienku zavrhol.<br>
>Ako zalozne riesenie na stavbu generatora by som chcel pouzit AD9834 <br>
>krmenu z Si570. Mala by sa dat pretaktovat na 150MHz a pokryla by rozsah 0-10MHz.<br>
>Napada vas nejake uskalie tohto riesienia ? Generator bude krmit SDR <br>
>radio (74AC74)<br>
><br>
>j.<br>
><br>
><br>
><br>
>-----Original Message-----<br>
>From: <a href="mailto:hw-list-bounces@list.hw.cz">hw-list-bounces@list.hw.cz</a>
<a href="mailto:[mailto:hw-list-bounces@list.hw.cz]">[mailto:hw-list-bounces@list.hw.cz]</a> On
<br>
>Behalf Of Jirka<br>
>Sent: Thursday, February 28, 2013 11:54 AM<br>
>To: <a href="mailto:hw-list@list.hw.cz">hw-list@list.hw.cz</a><br>
>Subject: Re: Citac N s 74AC161<br>
><br>
><a href="http://www.ii.uam.es/~cedeps/TI-74163.pdf">http://www.ii.uam.es/~cedeps/TI-74163.pdf</a> ke konci.<br>
><br>
>---<br>
>Jirka<br>
><br>
>> Zdravim vsetkych,<br>
>> nemate niekto schemu zapojenia prog. delica s uvedenym obvodom <br>
>> zapojenym do kaskady?<br>
>> Strycko dava odkazy len na same datasity a z tych mi nie je uplne <br>
>> jasne ako to zapojit.<br>
>><br>
>> j<br>
><br>
<br>
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