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List: gnuradio-discuss
Subject: Re: [Discuss-gnuradio] Re: making a small USRP board
From: William Cox <wccox () ncsu ! edu>
Date: 2010-08-31 14:46:53
Message-ID: AANLkTimB_zbee6ut=h7A4g2ubJuZUt9Swvk7FobBRb1H () mail ! gmail ! com
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Craig,
That sounds very interesting. Will the 2450 be integrated or removable? Most
of our work is at low frequencies (under 100MHz), so that board is too high
-William
On Mon, Aug 30, 2010 at 3:56 PM, Craig Kief <craig.kief@cosmiac.org> wrote:
> William,
>
> I am not sure if it helps you or not but we are just now finishing up with
> a 3.5” x 3.5” fpga board design where we will mount a 2450 board on top.
> Would love to collaborate.
>
> Craig
>
>
>
>
>
> [image: signatureBlock.jpg] <http://www.cosmiac.org/>
>
> *Craig J. Kief*
>
> *Deputy Director*
>
> craig.kief@cosmiac.org
>
> 505.934.1861 cell (preferred)
>
> 505.242.0339 office
>
> 2350 Alamo Avenue SE, Ste. 100
>
> Albuquerque, NM 87106
>
>
>
> *From:* discuss-gnuradio-bounces+craig.kief=cosmiac.org@gnu.org [mailto:
> discuss-gnuradio-bounces+craig.kief<discuss-gnuradio-bounces%2Bcraig.kief>
> =cosmiac.org@gnu.org] *On Behalf Of *William Cox
> *Sent:* Monday, August 30, 2010 11:45 AM
> *To:* Mark J. Blair
> *Cc:* discuss-gnuradio
> *Subject:* Re: [Discuss-gnuradio] Re: making a small USRP board
>
>
>
> Mark,
>
> Going from 36 sq-in to 18 sq-in is a big improvement for us. We'll be using
> it on an underwater vehicle, and space is a premium. Your idea for a smaller
> WBX board is cool, but would be a lot of work.
>
> -William
>
> On Mon, Aug 30, 2010 at 11:44 AM, Mark J. Blair <nf6x@nf6x.net> wrote:
>
>
> On Aug 30, 2010, at 8:24 AM, William Cox wrote:
> > Right now I'm thinking the easiest thing would be to keep everything the
> same, except remove the 2nd mixed-signal chip, and move the power circuit
> off the board.
> > So, yes, same form factor for daughterboard connections.
>
> That seems like a lot of effort and expense to make something just a little
> bit smaller. Now, if you could make the equivalent of a USRP + WBX board
> about the size of a pack of playing cards, and powered from the USB port,
> that would be quite interesting!
>
>
>
> --
>
> Mark J. Blair, NF6X <nf6x@nf6x.net>
> Web page: http://www.nf6x.net/
> GnuPG public key available from my web page.
>
>
>
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
>
[Attachment #3 (text/html)]
Craig,<div><br></div><div>That sounds very interesting. Will the 2450 be integrated \
or removable? Most of our work is at low frequencies (under 100MHz), so that board is \
too high</div><div>-William</div><div><br></div><div>
<br><div class="gmail_quote">On Mon, Aug 30, 2010 at 3:56 PM, Craig Kief <span \
dir="ltr"><<a href="mailto:craig.kief@cosmiac.org">craig.kief@cosmiac.org</a>></span> \
wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px \
#ccc solid;padding-left:1ex;">
<div lang="EN-US" link="blue" vlink="purple">
<div>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">William,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">I am not sure if it \
helps you or not but we are just now finishing up with a 3.5” x 3.5” fpga board \
design where we will mount a 2450 board on top. Would love to \
collaborate.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Craig</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p>
<p class="MsoNormal"><a href="http://www.cosmiac.org/" target="_blank"><span \
style="font-size:11.0pt;color:#1F497D;text-decoration:none"><img border="0" \
width="260" height="92" alt="signatureBlock.jpg"></span></a><span \
style="font-size:11.0pt;color:#1F497D"></span></p>
<p class="MsoNormal" style="margin-left:1.2in"><b><span style="color:#1F497D">Craig \
J. Kief</span></b></p>
<p class="MsoNormal" style="margin-left:1.2in"><i><span \
style="font-size:10.0pt;color:#1F497D">Deputy Director</span></i><span \
style="font-size:10.0pt;color:#1F497D"></span></p>
<p class="MsoNormal" style="margin-left:1.2in"><span \
style="font-size:11.0pt;color:#1F497D"><a href="mailto:craig.kief@cosmiac.org" \
target="_blank"><span \
style="font-size:10.0pt">craig.kief@cosmiac.org</span></a></span><span \
style="font-size:10.0pt;color:#1F497D"></span></p>
<p class="MsoNormal" style="margin-left:1.2in"><span \
style="font-size:10.0pt;color:#1F497D">505.934.1861 cell (preferred) </span></p>
<p class="MsoNormal" style="margin-left:1.2in"><span \
style="font-size:10.0pt;color:#1F497D">505.242.0339 office</span></p>
<p class="MsoNormal" style="margin-left:1.2in"><span \
style="font-size:10.0pt;color:#1F497D">2350 Alamo Avenue SE, Ste. 100</span></p>
<p class="MsoNormal" style="margin-left:1.2in"><span \
style="font-size:10.0pt;color:#1F497D">Albuquerque, NM 87106</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt">From:</span></b><span \
style="font-size:10.0pt"> discuss-gnuradio-bounces+craig.kief=<a \
href="http://cosmiac.org" target="_blank">cosmiac.org</a>@<a href="http://gnu.org" \
target="_blank">gnu.org</a> [mailto:<a \
href="mailto:discuss-gnuradio-bounces%2Bcraig.kief" \
target="_blank">discuss-gnuradio-bounces+craig.kief</a>=<a href="http://cosmiac.org" \
target="_blank">cosmiac.org</a>@<a href="http://gnu.org" target="_blank">gnu.org</a>] \
<b>On Behalf Of </b>William Cox<br>
<b>Sent:</b> Monday, August 30, 2010 11:45 AM<br>
<b>To:</b> Mark J. Blair<br>
<b>Cc:</b> discuss-gnuradio<br>
<b>Subject:</b> Re: [Discuss-gnuradio] Re: making a small USRP board</span></p>
</div><div><div></div><div class="h5">
<p class="MsoNormal"> </p>
<p class="MsoNormal">Mark,</p>
<div>
<p class="MsoNormal">Going from 36 sq-in to 18 sq-in is a big improvement for us.
We'll be using it on an underwater vehicle, and space is a premium. Your idea
for a smaller WBX board is cool, but would be a lot of work.</p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt">-William</p>
<div>
<p class="MsoNormal">On Mon, Aug 30, 2010 at 11:44 AM, Mark J. Blair <<a \
href="mailto:nf6x@nf6x.net" target="_blank">nf6x@nf6x.net</a>> wrote:</p>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
On Aug 30, 2010, at 8:24 AM, William Cox wrote:<br>
> Right now I'm thinking the easiest thing would be to keep everything the
same, except remove the 2nd mixed-signal chip, and move the power circuit off
the board.<br>
> So, yes, same form factor for daughterboard connections.</p>
</div>
<p class="MsoNormal">That seems like a lot of effort and expense to make
something just a little bit smaller. Now, if you could make the equivalent of a
USRP + WBX board about the size of a pack of playing cards, and powered from
the USB port, that would be quite interesting!<br>
<span style="color:#888888"><br>
<br>
<br>
--</span></p>
<div>
<div>
<p class="MsoNormal">Mark J. Blair, NF6X <<a href="mailto:nf6x@nf6x.net" \
target="_blank">nf6x@nf6x.net</a>><br> Web page: <a href="http://www.nf6x.net/" \
target="_blank">http://www.nf6x.net/</a><br> GnuPG public key available from my web \
page.<br> <br>
<br>
<br>
<br>
<br>
_______________________________________________<br>
Discuss-gnuradio mailing list<br>
<a href="mailto:Discuss-gnuradio@gnu.org" \
target="_blank">Discuss-gnuradio@gnu.org</a><br> <a \
href="http://lists.gnu.org/mailman/listinfo/discuss-gnuradio" \
target="_blank">http://lists.gnu.org/mailman/listinfo/discuss-gnuradio</a></p>
</div>
</div>
</div>
<p class="MsoNormal"> </p>
</div>
</div></div></div>
</div>
</blockquote></div><br></div>
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