Re: [Discuss-gnuradio] TechnoConcepts TC-RX1000 press release

[Eric Blossom]

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