Title :
A WLAN RF CMOS PA with adaptive power cells
Author :
Taehwan Joo ; Bonhoon Koo ; Songcheol Hong
Author_Institution :
Dept. of Electr. Eng., KAIST, Daejeon, South Korea
Abstract :
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.
Keywords :
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; CMOS integrated circuits; Capacitance; Gain; IEEE 802.11g Standard; Logic gates; Power amplifiers; Power generation; 802.11 b/g; AM to AM; AM to PM; CMOS Power Amplifier (PA); IMD3; WLAN; adaptive; error vector magnitude (EVM); linearization;
Conference_Titel :
Radio Frequency Integrated Circuits Symposium (RFIC), 2013 IEEE
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4673-6059-3
DOI :
10.1109/RFIC.2013.6569600
