Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!sunybcs!kitty!larry From: larry@kitty.UUCP (Larry Lippman) Newsgroups: sci.electronics Subject: Re: DTMF Encoding AND decoding Summary: DTMF "transceiver" chips... Message-ID: <2967@kitty.UUCP> Date: 4 Feb 89 02:44:48 GMT References: <350@serene.UUCP> Organization: Recognition Research Corp., Clarence, NY Lines: 13 In article <350@serene.UUCP>, gbell@pnet12.cts.com (Greg Bell) writes: > Are there any available chips to do both encoding AND decoding of DTMF in > the same DIP? Would save some board space. Yup - they are generally referred to as "DTMF transceiver" circuits. Try the Silicon Systems SSI-20C90, which performs the above function for all 16 DTMF tone pairs. <> Larry Lippman @ Recognition Research Corp., Clarence, New York <> UUCP: {allegra|ames|boulder|decvax|rutgers|watmath}!sunybcs!kitty!larry <> VOICE: 716/688-1231 {att|hplabs|mtune|utzoo|uunet}!/ <> FAX: 716/741-9635 {G1,G2,G3 modes} "Have you hugged your cat today?"