Newsgroups: comp.robotics,sci.electronics
Path: cantaloupe.srv.cs.cmu.edu!bb3.andrew.cmu.edu!news.sei.cmu.edu!cis.ohio-state.edu!math.ohio-state.edu!cs.utexas.edu!utnut!alchemy.chem.utoronto.ca!pdavies
From: pdavies@alchemy.chem.utoronto.ca (Paul Davies)
Subject: Microphones and Comparators
Message-ID: <1994Oct2.212231.19599@alchemy.chem.utoronto.ca>
Date: Sun, 2 Oct 1994 21:22:31 GMT
Organization: University of Toronto Chemistry Department
Lines: 15
Xref: glinda.oz.cs.cmu.edu comp.robotics:13993 sci.electronics:102988

I want to use two condensor mics as the inputs for a comparator to give
a logic out.  If I use something like an LM339 will I need to amplify
the mic output first?


thanks

paul
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                                 | "The effects of technology do not occur
Paul Davies                      | at the level of opinions or concepts, but
pdavies@alchemy.chem.utoronto.ca | alter sense ratios or patterns of per-
                                 | ception steadily and without resistance."
                                 |  - Marshall McLuhan
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