Hi Ivan, I'm not sure how well two or more channels would track using the SSM2166.
> I could never get the SSM2166 to work good enough because it had > oscillations I couldn't stop. Oh yeah, that was with the > genuine Analog Devices evalution board, not any crummy > layout I might have tried. So I gave up on it. How long was the cable to the microphone, being a unbalanced input it will have to be shortish. I have changed the front end cct to a differential style arrangement to use it with balanced inputs and it works fine. AD were having some problems with this chip a couple of years back, out of a run of 2000 odd only about 20-30 passed the testing process... > BTW, guess which of the 3 installers was the first to get fired? > A hint: he posts messages to the Protel EDA lists... The other guys are properly still there too. :) Darren Moore * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *