Digitally Modulated CMOS Polar Transmitters for Highly-Efficient mm-Wave Wireless Communication.

Khaled Khalaf,Vojkan Vidojkovic,Kristof Vaesen,Michael Libois,Giovanni Mangraviti,Viki Szortyka,Chunshu Li,Bob Verbruggen,Mark Ingels,André Bourdoux,Charlotte Soens,Wim Van Thillo,John R. Long,Piet Wambacq

IEEE Journal of Solid-State Circuits（2016）

引用 61|浏览124

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摘要

A polar transmitter (TX) is implemented at 60 GHz, enabling a power amplifier (PA) to operate in saturation where efficiency is highest, even when handling higher order modulations such as QPSK and 16-QAM. The phase path is upconverted by I-Q mixers, while the amplitude path modulates an RF-DAC. Aimed at 802.11ad applications, the 10 GS/s (i.e., 6x-oversampled) polar TX realizes more than 30 dB al...

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关键词

Bandwidth,Phase shift keying,Signal resolution,Attenuation,Power generation,Transmitters,Mixers

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