On 5/2/06 12:29 AM, "Eric Blossom" <[EMAIL PROTECTED]> wrote:
> On Tue, May 02, 2006 at 12:01:47AM -0400, Elaine Garbarine wrote: >> That makes sense to me. Is there anyway to access the payload even if the >> data is not decoded correctly? I know this seems like a useless concept but >> it's something we would like to do. > > Yes, the payload (with errors) is passed even if ok is False. > >> Also, a quasi-related question, the README file included in the GMSK2 >> directory makes a note that the boards must be at least 3m apart in order >> for the rx to work properly. Why is it necessary to place the boards at >> least 3m apart? > > It's so that the transmitter doesn't drive the receiver's front end > into a seriously non-linear zone. The Flex 400 Tx section will put > out about 100 mW, which is enough to cause intermodulation distortion > (IMD) on most receivers if they're close by. For demos using amateur > handhelds as receivers, we've replaced the transmit antenna on the > Flex 400 (oops, that's the daughterboard formerly known as the Flex > 400) with a 50 ohm load to avoid the problem. > > Bottom line, it's the non-ideal analog stuff ;) > > Eric Got it. Am I safe to assume the 3m distance would also apply to the daughterboard formerly known as the Flex 2400? -Elaine _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
