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[Discuss-gnuradio] Modem and/or ADSL Daughter card

From: Michael Milner
Subject: [Discuss-gnuradio] Modem and/or ADSL Daughter card
Date: Thu, 4 May 2006 14:01:31 -0400 (EDT)
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I was just wondering if anyone has used GNURadio for any non-radio
applications, specifically phone line modulation/demodulation.

It shouldn't be too difficult to design a daughter board for the USRP to
sample phone line voltage (with an appropriate line interface circuit of
course).  After that it should be rather easy in GNURadio to generate DTMF
tones for dialing, and modem tones for data communication.

Any thoughts?


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