A 62-to-68GHz linear 6Gb/s 64QAM CMOS doherty radiator with 27.5%/20.1% PAE at peak/6dB-back-off output power leveraging high-efficiency multi-feed antenna-based active load modulation
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Extreme throughput requirements on future mm-wave systems, e.g., 5G links, necessitates the use of spectrum-efficient modulations that often come with high peak-to-average power ratios (PAPRs). Therefore, there is an increasing need for mm-wave power amplifiers (PAs) with high power back-off (PBO) efficiency, so that wideband large-PAPR signals can be transmitted with high energy efficiency. Among various PA PBO efficiency-enhancement techniques, Doherty PAs feature wideband modulations and low baseband DSP overhead, making them particularly promising candidates for high-speed mm-wave systems. Show more
Book title2018 IEEE International Solid-State Circuits Conference (ISSCC)
Pages / Article No.
Organisational unit09757 - Wang, Hua / Wang, Hua
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