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A 26.3 dBm 2.5 to 6 GHz wideband class-D switched-capacitor power amplifier with 40% peak PAE

Xing-Qiang Peng, Wei-Han Yu, Pui-In Mak, Rui P. Martins
2014 2014 IEEE International Conference on Electron Devices and Solid-State Circuits  

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This paper describes a wideband class-D RF power amplifier (PA) featuring switched-capacitor (SC) modulation, a high-order LC-matching network (MN) and a reliability-aware supply-voltage boosting technique. Simulated in 65-nm CMOS at an elevated 3.2-V supply, the rms voltage stressed on each device is managed to be well within the reliability limits. The broadband coverage is from 2.5 to 6 GHz with peak power-added efficiency (PAE) of 40% at 26.4 dBm output power. After digital predistortion,
more » ... e EVM is controlled <6.8% under the 16-QAM modulated test signals.
doi:10.1109/edssc.2014.7061257 fatcat:z73qir75kzc7pk6bhwdr65kjwy
Citation

Xing-Qiang Peng, Wei-Han Yu, Pui-In Mak, Rui P. Martins. "A 26.3 dBm 2.5 to 6 GHz wideband class-D switched-capacitor power amplifier with 40% peak PAE." 2014 IEEE International Conference on Electron Devices and Solid-State Circuits (2014)