On 07/07/2010 11:32 AM, Garrett Wenger wrote: > Hi all, > A few days ago I made a simple program using grc to fsk modulate and > transmit a pn sequence at 10kbps. Since I was using a USRP1, I set my > samples per symbol to 25 and the interpolation to 512 to get this data > rate. > > The place I work at just received a couple USRP2's, so I am trying to > get this same program working with the new devices. I realize that > the DAC rate for the USRP2 is 100 MS/s instead of 128 MS/s, so I > changed the samples per symbol and interpolation rate to 25 and 400, > respectively, but this does not give me the 10kbps rate like I > expected it would. > > Is there something major that I am missing here? > > Thanks a lot, > Garrett Garrett:
The DACs on the USRP2 run at 400Msps, not 100Msps. Although the *ADCs* on the USRP2 do run at 100Msps, and that's perhaps where the confusion comes in. -- Marcus Leech Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
