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From: | Ian Wraith |
Subject: | [Discuss-gnuradio] Re: Direct Conversion vs Superheterodyne |
Date: | Tue, 14 Jan 2003 00:25:46 +0000 |
Hello
See Fig 10, 12, 14 in "SDR for the masses part 1" at http://www.arrl.org/tis/info/sdr.html - some of the rest of the article even explains the harmonic/alias frequency rejection better than I can.
I was intrigued by this circuit when I first saw it but it appears very difficult to get hold of the PI5V331 demultiplex IC that is at the heart of it. It isn't sold by any of the usual UK components suppliers when I asked Pericom about Euro distributors I was told not to worry they would send me a sample instead but that has never arrived :( It would be nice to have another version of this circuit using more commonly available parts. Regards Ian
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