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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Ano, RTL je USB.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Na vysielanie ale potrebujem D/A.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Tych par mW v mojom labe (obyvacke) urcite nikoho nerozhodi<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Najvacsi problem vidim v casovani. Prevodnik musi dostavat data<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">v presnych hodinovych cykloch. Akykolvek jitter je neziaduci.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Najradsej by som nieco hotove.<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>
<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 [mailto:hw-list-bounces@list.hw.cz]
<b>On Behalf Of </b>Slavo Tomascik<br>
<b>Sent:</b> Wednesday, March 18, 2015 3:51 PM<br>
<b>To:</b> HW-news<br>
<b>Subject:</b> Re: Karta 2x 8bit D/A<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Ako lepsie riesenie sa mi vidi Beaglebone black. Ma USB HS (aj ethernet), a na pracu s prevodnikmi su prave vhodne PRU jednotky.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Btw, myslel som, ze sa tam pouziva skor A/D prevodnik ako dopytovany D/A. A nemal by to ten RTL zvladat cez USB? No nic, vecer pozriem podrobnejsie.<br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Slavo T.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">2015-03-18 15:16 GMT+01:00 Zuffa Jan <<a href="mailto:ZuffaJ@cgc.sk" target="_blank">ZuffaJ@cgc.sk</a>>:<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Konkretne riesenie?<br>
RPI a na GPIO napojit prevodniky? Cenovo schodne riesenie<br>
Casovanie je ale kriticke, takze by ho musel riesit samotny prevodnik.<br>
<span style="color:#888888"><br>
<span class="hoenzb">j.</span><br>
</span><br>
<span class="im">-----Original Message-----</span><br>
<span class="im">From: Hw-list [mailto:<a href="mailto:hw-list-bounces@list.hw.cz">hw-list-bounces@list.hw.cz</a>] On Behalf Of Jaroslav Buchta</span><br>
<span class="im">Sent: Wednesday, March 18, 2015 3:12 PM</span><br>
<span class="im">To: HW-news</span><br>
<span class="im">Subject: Re: Karta 2x 8bit D/A</span><o:p></o:p></p>
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<p class="MsoNormal">Jeste skrz ethernet by se to dalo protlacit, IMHO jednodussi a spolehlivejsi cesta nez USB.<br>
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Dne 18. 3. 2015 v 14:01 Petr Tomasek napsal(a):<br>
> On Wed, Mar 18, 2015 at 01:29:56PM +0100, Slavo Tomascik wrote:<br>
>> Nazdar,<br>
>><br>
>> kariet do PCI je plny internet. NI robi pre PCI aj USB<br>
>> <a href="http://sine.ni.com/np/app/main/p/bot/no/ap/daq/lang/en/pg/1/ps/1000/s" target="_blank">
http://sine.ni.com/np/app/main/p/bot/no/ap/daq/lang/en/pg/1/ps/1000/s</a><br>
>> n/n25:device,n3:7854,n17:daq,n24:USB/<br>
>> Ale urcite najdes nieco lacnejsie.<br>
>><br>
>> Co sa tyka toho vlastneho mcu a prevodnikov na USB, urcite to pojde urobit.<br>
>> Len s mcu USB 2.0 HS (Cypress, alebo vyspelejsi ARM), ak chces<br>
>> posielat kontinualne tych 2x1Ms/s. Ak by si si sample ulozil do<br>
>> lokalnej pamete, tak<br>
> <joke><br>
> Ještě byste to mohl zkomprimovat do mp3 :-) </joke><br>
><br>
>> by to slo aj s tymi mensimi mcu. Takze zalezi od toho, kolko tych<br>
>> samplov ma byt.<br>
>><br>
>> Slavo T.<br>
><o:p></o:p></p>
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