On Wed, May 17, 2006 at 01:37:54PM -0700, Joel Kolstad wrote: > They also conveniently forget to deal with all the bane of all wideband > SDRs -- interfering signals in one band will, at best, decrease sensitivity > in other bands. 80dB SNDR is nowhere near enough to simultaneously > receive, say, GPS data and process CDMA phone calls without something like > a diplexer in the front end to split off the appropriate frequency ranges. > > Any bets on what the chip effectively *is*? Just a bunch of relatively > high-speed 14 bit ADCs all phased appropriately? Or something fancier?
There's a patent that provides some of the details. Try searching the PTO database for assignee == TechnoConcepts. It looks sort of like a delta-sigma converter with a mixer in front of it. Eric _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
