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Article #1562Need Design Ideas for a Multi-Station, Multi-Channel Intercom
From: WILLIAM DEDULA
Date: Mon, 03 Aug 1992 13:30
Date: Mon, 03 Aug 1992 13:30
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Hello All; I am currently in the process of designing a multi-station, multi-channel intercom system but I don't quite know where to begin. Anyone have any general ideas about what types of circuits I'd need and/or how they'd need to work ? I need to design a system where we could have an unlimited number of communications stations separated by 100 feet or less. An operator at each station would have the option of pressing a button on his unit to select the channel he wishes to use and all other stations who have also selected that channel will be able to talk and listen too. This is for a Aerospace Educational Project involving many schools in my community and around the country. Any ideas you can provide will be greatly appreciated. My several internet addresses are ... TIDEDU@LIMS01.LERC.NASA.GOV tidedu@mars.lerc.nasa.gov aa252@cleveland.freenet.edu Tim Dedula NASA Lewis Research Center Mail Stop 77-3 21000 Brookpark Road Cleveland, Ohio 44135 Phone: (216) 433-3668
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arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!sun-barr!ames!agate!stanford.edu!eos!data.nas.nasa.gov!eagle!lims01.lerc.nasa.gov!tideduShow Full Headers
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Newsgroups: sci.electronics Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!sun-barr!ames!agate!stanford.edu!eos!data.nas.nasa.gov!eagle!lims01.lerc.nasa.gov!tidedu From: tidedu@lims01.lerc.nasa.gov (WILLIAM DEDULA) Subject: Need Design Ideas for a Multi-Station, Multi-Channel Intercom Message-ID: <3AUG199208301610@lims01.lerc.nasa.gov> News-Software: VAX/VMS VNEWS 1.41 Sender: news@eagle.lerc.nasa.gov Organization: NASA Lewis Research Center Distribution: usa Date: 3 Aug 1992 08:30 EST Lines: 27