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From: rbl@nitrex.UUCP ( Dr. Robin Lake )
Newsgroups: sci.electronics
Subject: Re: I need a telephone ring detector chip
Message-ID: <451@nitrex.UUCP>
Date: Mon, 20-Apr-87 15:25:02 EST
Article-I.D.: nitrex.451
Posted: Mon Apr 20 15:25:02 1987
Date-Received: Tue, 21-Apr-87 06:01:59 EST
References: <228@phoenix.PRINCETON.EDU>
Reply-To: rbl@nitrex.UUCP ( Dr. Robin Lake )
Distribution: na
Organization: The Standard Oil Co., Cleveland
Lines: 15
Summary: Texas Instruments just announced about 6 of these

In article <228@phoenix.PRINCETON.EDU> mzabeti@phoenix (Mahboud Zabetian) writes:
>
>
>Is there a chip out there that would detect a telephone ring by outputing a
>signal?  Like have an output pin that goes high for the duration of each ring
>and then goes back to low.  ...
>

Texas Instruments' latest broadside, called "Circuit Innovations"(?) perhaps,
announced a line of about 6 ring detector ciruits, some with overvoltage
protection and some with sound generators of various frequencies.  Their
local distributor or 800-number would produce spec sheets.

Rob Lake
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