FWIW Analog to Digital Converter with 16 bits and 448000 Samples per second based in the Bt878A http://hackaday.com/2005/11/08/using-a-tv-tuner-as-a-high-speed-adc/ ---which takes you to http://www.domenech.org/bt878a-adc/index-e.htm
---Also see btaudio.c module modification to get 896000 Samples per second with the Bt878A ADC http://www.domenech.org/bt878a-adc/index-decimator-e.htm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My added comments: The above is a cool hardware hack that claims to take care of the baseband problem only- but I find it intriguing to wonder if it would be possible also to do two more ambitious things- 1) Using its TV tuner module (under software control of course), down-convert a swath of its output spectrum (prior to any detection) into the band covered by the extended range of the ADC 2) All of the above is based on the audio ADC. If some way could be found to hack into the video one also, MHz bandwidths could become theoretically possible... Best Regards Max _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
