On Mon, Feb 19, 2007 at 12:49:04PM -0800, Candy Yiu wrote: > Hi Eric, > > I never meet you but just have some question which I guess no one can > answer. > We are trying to build a smart antenna using the USRP board. I watched > the video which you guy gave a talk about it and mention it can support > up to 4 tx and 4 rx (there are 4 A/D as well). I was wondering if you > guy have a daughter board which has two tx and rx or any tip to connect > two daughter board? > > thanks a lot, > Candy > > Portland State University
To use 4 in's and 4 out's with the USRP you'll need to use two "Basic Rx" and two "Basic Tx" daughterboards. There are two main constraints: FPGA space USB bandwidth (32MB/s total) We provide standard FPGA configurations with: (a) 2 receive paths (with half-band filters) and 2 transmit paths. or (b) 4 receive paths (no half-band filters) and 0 transmit paths. Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
