A WLAN RF CMOS PA with adaptive power cells

Radio Frequency Integrated Circuits Symposium（2013）

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摘要

A CMOS linear PA for IEEE 802.11 b/g applications is implemented in a 0.13 μm process including all matching networks. An adaptive power cell (APC) scheme is proposed to achieve high linear output power and efficiency and applied to the PA, which delivers the output power of 20.5 (19.5) dBm with the PAE of 20.2(17.5)% for an 802.11g modulated signal with the EVMs at -25(-28) dB.

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关键词

CMOS integrated circuits,power amplifiers,wireless LAN,APC scheme,EVM,IEEE 802.11 b/g,WLAN RF CMOS power amplifier,adaptive power cells,efficiency 17.5 percent,efficiency 22.2 percent,error vector magnitude,matching networks,size 0.13 mum,802.11 b/g,AM to AM,AM to PM,CMOS Power Amplifier (PA),IMD3,WLAN,adaptive,error vector magnitude (EVM),linearization,

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