Article View: sci.electronics
Article #8346Re: Programmable Multi-Tone generator wanted
From: Scott O'Connell
Date: Tue, 13 Nov 1990 20:42
Date: Tue, 13 Nov 1990 20:42
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1344 bytes
In article <JON_SREE.90Nov13012237@world.std.com> jon_sree@world.std.com (Jon Sreekanth) writes: >In article <15621@slice.ooc.uva.nl> ropg@ooc.uva.nl (Rop Gonggrijp) writes: > > > For a phone switch I am currently developing I am looking for a chip that: > > Will generate two sine-wave tones simultaneously > > Is computer programmable (height of tones, and preferebly amplitude) > > Works from 100 to 3000 Hz There is a company called Communications Specialists, Inc. who make a custom chip called the IC110. It's sole purpose in life is encoding and decoding tones. I've seen the same chip used from 67Hz to 3000Hz. They specialize in the Land Mobile Radio industry providing tone signalling solutions. Communications Specialists, Inc. 426 West Taft Avenue Orange, CA 92665-4296 714/998-3021 (Local) 714/974-3420 (Fax) 800/854-0547 (Entire USA)
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!ucsd!nosc!crash!ipars!scotto From: scotto@ipars.UUCP (Scott O'Connell) Newsgroups: sci.electronics Subject: Re: Programmable Multi-Tone generator wanted Message-ID: <2@ipars.UUCP> Date: 13 Nov 90 20:42:22 GMT References: <15621@slice.ooc.uva.nl> <JON_SREE.90Nov13012237@world.std.com> Reply-To: scotto@ipars.UUCP (Scott O'Connell) Organization: Tamin Computer Services Lines: 23