A Multipath Technique Cancelling Harmonics and Sidebands in a Wideband Power Upconverter


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Shrestha, R. and Mensink, E. and Klumperink, E.A.M. and Wienk, G.J.M. and Nauta, B. (2006) A Multipath Technique Cancelling Harmonics and Sidebands in a Wideband Power Upconverter. In: IEEE International Solid-State Circuits Conference, ISSCC, 6-9 February 2006, San Francisco, California, U.S.A..

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Abstract:Switching mixers are power-efficient but produce unwanted harmonics and sidebands. A multipath technique to clean up the spectrum using digital circuits and mixers, but no filters, is applied to a 0.13µm CMOS power upconverter. The circuit delivers 8mW from dc to 2.4GHz with 11% drain efficiency, with spurs <-40dBc over more than 4 octaves in frequency, and consumes 228mW from a 1.2V supply.
Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/63190
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