This is a multi-part message in MIME format. ------=_NextPart_000_1274_01C6AA6F.574EED80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit > sound trigger This is the front end of a low Iq sound trigger. The o/p of this goes to a second TLC271, wired as a comparator, then to a 12F675. Before clipping there is ample clean amplification. It's used to detect a particular noise at a particular level in an otherwise quite environment ------=_NextPart_000_1274_01C6AA6F.574EED80 Content-Type: image/gif; name="electret_tlc271.gif" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="electret_tlc271.gif" R0lGODlhmACDAIAAAAAAAP///ywAAAAAmACDAEAC/oyPqcvtD6OctCIgsbV6591hnReNjUlCaLqs 7MsdbigHtPi4sKHv/tTzBV/DD6UI+jFWN5uzgjwBplSj8nm5THlYK/R4LYW7Y7I356E9i9HvqcZt chNteItOzdeT4fqo7XensEUnQ/izdzaWuMRy6PgoVKa1o4Y3CWnm5ogpSNZjOZeyxWhH1ImaWhqT NaexmooJqxhba3uLm6u76/BXWIY0KzYpjKpj4muJEyfqucjb11n8Bo2oSly5qTSN1rrWDAb0qdnC 7W1a9R2u3Q0W8j58Bar1zsZHTS79rM96+fufzlq0dfmckYgSSd4+WZI4mEvji+CpbDweykp47+Ct /nqH0ukBVzBDRHEwjtXAYbEaSWAqW9LahtGlzJk0Eem5iTOnzp08e/r8edNQR1MDVRhjCCRSyn+9 rmGrybQduo6E7D2FKjQnUTtynMQ8VxQru7Bkxca7utDsS4UsS46liLaioblvM55lG7fJsrpIBfrD slfiyrVokBX86pbryZAGCUddadjotliJEKZZHBjfZH51PzJO67eQMsA2AoIlPNJWynmi9roeZLcp bNKha0sG2aift6qCQiWWB9R08OE8c7zivHlwsIZQLK4+Chei2aWnNeKm5BKjaaF9ijGhLuT45d9E rJrpOhKxSGGzwHuKPBtke/WO76pdJD72eOyl/uneP/JdgGWRhtJ/oB1oIC7ufZZgX3E1CGGEEk5I YYUWXlhSFfBhqBYKvuHVC32QLLVdPJkN2BiKzN2WWlu3PZicWMshp6JMQyx43YpYzehgjdlp1sxQ zAwplY8tmbQVbV5hViSIEeYXH3pLyuaihC0GSZV4rFWJIXhecsggJzBOuOCXGQ6HoJNq7lcfmz3a 5uaLcKrp2x7e8SUml1P2JxeegjWpY1l6hZkkdEZGpwaUf1JZHZDRTaXoYEkRB5RirRXn5GtDWhYn oLTcyOVoIsa3aIqGZqrYiXK2mWOI/ononFN+NsrikubNueaqjlpR4K24/rprbv1oad+jaXpq/ulG xwq5J6i6kYojqb+Kuph8+oEzaozTplrtedd+4iF32gZ6TkAebVWZpK4Ual2u4xYrwpXqEFoseWdx +icy2rX2boYEAQJguEvI2295/5bqTh7luPfcwazq6uqxeY75rQrmNPxmu6NQ6hO57j4L4H1lMsdG tB4XHINnf2UHSlDAcKwVtiaDoG8JF+uYLTTMIjyrOF99JGBFryjcqkj0SttpXxtCS+RBOQfLc1FL l/uYQ+xNVMuHiT4239UTg9mc11+DbTQsdwJUtYU7qxuna/CQrVTJcw4685Eu67n10WDiWDeZNJL9 sbGAAyv44PZKbLjGeiZeHsyOPw55iYxPBU454AUAADs= ------=_NextPart_000_1274_01C6AA6F.574EED80 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist ------=_NextPart_000_1274_01C6AA6F.574EED80--