A Transformer-Combined 31.5 dBm Outphasing Power Amplifier in 45 nm LP CMOS With Dynamic Power Control for Back-Off Power Efficiency Enhancement

A transformer-combined fully integrated outphasing class-D PA in 45 nm LP CMOS achieves 31.5 dBm peak output power at 2.4 GHz with 27% peak PAE, and supports over 86 dB of output power range. The PA employs dynamic power control (DPC) whereby sections of the PA are turned on or off dynamically accor...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2012-07, Vol.47 (7), p.1646-1658
Hauptverfasser:	Wei Tai, Hongtao Xu, Ravi, A., Lakdawala, H., Bochobza-Degani, O., Carley, L. R., Palaskas, Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Applied sciences Battery Circuit properties Class-D CMOS CMOS integrated circuits CMOS PA Design. Technologies. Operation analysis. Testing Dynamics efficiency enhancement Electric, optical and optoelectronic circuits Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Inductors Integrated circuits Magnetic devices OFDM outphasing Peak to average power ratio power amplifier Power amplifiers power combining Power control Power generation Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices SOC Switches Switching transformer Transformers Wireless communication WLAN
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