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frequency conversion |
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frequency conversion [′frē·kwən·sē kən‚vər·zhən] (electronics) Converting the carrier frequency of a received signal from its original value to the intermediate frequency value in a superheterodyne receiver. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The theory is significant because it allows a number of system problems involving mixers and frequency conversion to be solved analytically and because it demystifies this rather esoteric subject. Each cable household has a set-top box, which provides, among other things, frequency conversion of current NTSC signals. In a breakthrough product announcement (see related release), Phiar also announced today that it has filed a patent for a monolithically integrated analog front end and antenna structure, an innovation which achieves frequency conversion directly beside the antenna array on the same low-cost substrate. |
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