A RF-MEMS Based Tunable Matching Network for 2.45-GHz Discrete-Resizing CMOS Power Amplifiers

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14_01_0328_0337.pdf(274.71 KB)
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2014-04
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
This paper deals with the design and experimental validation of a tunable matching network for discrete-resizing CMOS power amplifiers operating at 2.45 GHz (i.e. in the WiFi frequency band). The network is based on a two stages ladder configuration and exploits high-Q MEMS capacitors to achieve the impedance tuning. Furthermore, since these capacitors can be programmed through a 3-wires serial interface, a fully digital control of the transformed impedance is achieved.
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Keywords
Power Amplifiers (PA), Envelope Tracking (ET), discrete-resizing, CMOS, Tunable Matching Networks (TMN), MEMS capacitors, reconfigurable front-ends, WLAN
Citation
Radioengineering. 2014, vol. 23, č. 1, s. 328-337. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2014/14_01_0328_0337.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 3.0 Unported License
http://creativecommons.org/licenses/by/3.0/
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http://hdl.handle.net/11012/36424
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2014/1
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