DTMF dead?

From: nico@xxxxxxxxxxx (Nico Coesel)
Date: Sat, 07 Jul 2007 10:02:17 GMT

I have an upcoming project in which I might want to use dtmf
transceiver chips as a simple means of communication. However, it
seems that dtmf transceiver chips are quite hard to get these days.
Even Digikey stocks none. Anyone knows a source that keeps making dtmf
transceivers for the years to come?

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Re: DTMF dead?
... transceiver chips as a simple means of communication. ... seems that dtmf transceiver chips are quite hard to get these days. ... phantom power and going high speed RS-485. ...
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Re: DTMF dead?
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Re: DTMF dead?
... transceiver chips as a simple means of communication. ... seems that dtmf transceiver chips are quite hard to get these days. ... phantom power and going high speed RS-485. ...
(sci.electronics.design)
Re: DTMF dead?
... transceiver chips as a simple means of communication. ... seems that dtmf transceiver chips are quite hard to get these days. ... PSK or FSK modem using a microcontroller. ...
(sci.electronics.design)
Re: DTMF dead?
... transceiver chips as a simple means of communication. ... seems that dtmf transceiver chips are quite hard to get these days. ... phantom power and going high speed RS-485. ...
(sci.electronics.design)