On Thursday 03 August 2006 23:38, gene glick wrote: > I'm looking for some ideas on how to multiplex some single-ended audio > signals. The plan is to connect the mux to a differential amp, which in > turn drives an ADC. > > The obvious (at least I think it's obvious) choice is to use some > variety of analog switch IC. ON-semi has some decent ones actually, but > they have a THD numbers around 0.01%. Not bad, but not good enough > either. I'd like to get at least an order of magnitude better. I used ADG719s quite successfully to switch high-frequency (~25 MHz) signals with no problems. YMMV, of course, as my application was using them as variable-voltage digital switches. Peter -- Fisher Society publicity officer http://tinyurl.com/o39w2 CUSBC novices, match and league secretary http://tinyurl.com/mwrc9 Quake II build tools maintainer http://tinyurl.com/fkldd v2sw6YShw7$ln5pr6ck3ma8u6/8Lw3+2m0l7Ci6e4+8t4Eb8Aen5+6g6Pa2Xs5MSr5p4 hackerkey.com
Attachment:
pgp9cPRfE7Jga.pgp
Description: PGP signature
_______________________________________________ geda-user mailing list geda-user@xxxxxxxxxxxxxx http://www.seul.org/cgi-bin/mailman/listinfo/geda-user