Hi Mr. Anderson,
Thanks a lot for the updates.
Rgds
Marcos




> From: cande...@usna.edu
> Subject: RE: Correction
> To: beagle-sdr@opensdr.com
> Date: Sat, 27 Mar 2010 10:24:53 -0400
> 
> Marcos,
> 
> To update you on the OpenSDR interface board:  Rev. 1 of the interface board 
> had a number of design problems, although it was still usable.  I've just 
> gotten a set of Rev. 2 boards back from fabrication/assembly and hope to 
> start testing them soon.
> 
> The interface board is designed to effectively look like 1/2 a USRP (you get 
> one TX and one RX chain), however the big bottleneck is the interface from 
> the board to the Beagle.  We're currently using the SPI interface, which 
> limits you to about 1 MHz of Bandwidth.  There are other options if you need 
> more bandwidth, but we haven't had the time/resources to pursue them.
> 
> Once I get these guys tested, I'll post a report on the list.
> 
> Chris
> 
> -------------------------------------
> 
> Chris R. Anderson, Ph.D.
> cande...@usna.edu
> 410-293-6185
> 
> Assistant Professor
> Director, Wireless Measurements Group
> US Naval Academy
> Electrical Engineering Department
> 105 Maryland Avenue
> Annapolis MD 21402 
> 
> 
> ---- Original message ----
> >Date: Fri, 26 Mar 2010 22:40:50 +0000
> >From: marcos gallego <galleg...@hotmail.com>  
> >Subject: RE: Correction  
> >To: <beagle-sdr@opensdr.com>
> >
> >   Hello Robert
> >   Thanks a lot for all your information.
> >   It seems very interesting and really a very good
> >   option for Ham operators.
> >   I looked at your site and I did not see more details
> >   about how did you connect the SoftRock to the Beagle
> >   board. Maybe I missed that.
> >   But I really would like to try also using the beagle
> >   interface board (OpenSDR) that is more like the
> >   USRP, but probably in a cheaper price.
> >   I think one option for me should start with your
> >   project and later migrate to the OpenSDR as soon I
> >   get more details about how to acquire the Beagle
> >   Interface board.
> >   Thanks once again,
> >   Rgds
> >   Marcos
> >
> >     ------------------------------------------------
> >
> >   From: r...@klikhome.com
> >   To: beagle-sdr@opensdr.com
> >   Subject: RE: Correction
> >   Date: Thu, 25 Mar 2010 21:12:57 -0700
> >
> >   Marcos,
> >   Sorry - I should have been more clear in that
> >   statement earlier by saying that the BeagleBrick is
> >   the only instance of contact [that I know of] using
> >   the Beagleboard and SDR - in  >>> HF <<<.
> >   I did not mean to imply that all the other forms of
> >   experimentation with the BB and SDR have not made
> >   contacts. I was speaking mainly in terms of the
> >   Beagleboard's potential use as an alternative to a
> >   laptop or other bulky computer for QRP and SDR
> >   communications. It was not my intention discount any
> >   other work which is at quite a different level of
> >   effort. Hope that clarifies my intentions and my
> >   apologies to anyone that may have been put off by
> >   that.
> >   Sincerely,
> >   Robert Bruce Thomas, KC4NYK
> >   Industrial Designer
> >   Technology Integration Specialist
> >   Richmond, Virginia, 23229
> >   804.833.4470
> >   http://www.klikhome.com
> >
> >     -------- Original Message --------
> >     Subject: Current beagle SDR status
> >     From: marcos gallego <galleg...@hotmail.com>
> >     Date: Thu, March 25, 2010 8:27 pm
> >     To: <beagle-sdr@opensdr.com>
> >
> >     Hi All,
> >     After reading the emails at
> >     http://www.mail-archive.com/beagle-sdr@opensdr.com/,
> >     I have some questions:
> >
> >     1. What is the current status of the Beagle SDR
> >     Interface board?
> >     I found  Beagle_InterfaceBoard.pdf diagram from
> >     Professor Anderson, Rev.1 but I'd like to know if
> >     there is a new version for that.
> >
> >     2. Are the PCB layout and gerber files available?
> >     Or any other place that is selling the boards?
> >
> >     3. What is the estimated cost for the Beagle SDR
> >     Interface board for the BOM only?
> >
> >     Thanks a lot for everybody that has spent time
> >     doing this wonderful project.
> >
> >     Thanks
> >
> >     Marcos
> >
> >     ------------------------------------------------
> >
> >     Hotmail: Trusted email with Microsoft’s powerful
> >     SPAM protection. Sign up now.
> >
> >     ------------------------------------------------
> >
> >   Hotmail: Powerful Free email with security by
> >   Microsoft. Get it now.
                                          
_________________________________________________________________
Hotmail: Powerful Free email with security by Microsoft.
https://signup.live.com/signup.aspx?id=60969

Reply via email to