https://scholars.lib.ntu.edu.tw/handle/123456789/581240| Title: | A CMOS Envelope Tracking Supply Converter for RF Power Amplifiers of 5G NR Mobile Terminals | Authors: | Lin Y.-C YI-JAN EMERY CHEN |
Keywords: | 5G NR; envelope tracking (ET); mobile communication; power amplifier (PA); RF transmitter; supply converter | Issue Date: | 2021 | Journal Volume: | 36 | Journal Issue: | 6 | Start page/Pages: | 6814-6823 | Source: | IEEE Transactions on Power Electronics | Abstract: | An envelope tracking supply converter was presented for the RF power amplifiers of sub-6 GHz 5G NR mobile devices. The hybrid supply converter consisted of a linear, fast switching, and slow switching regulators connected in parallel. The two-phase hysteretic control was proposed for use in the fast switching regulator to track the fast-varying envelope of 40-MHz 5G NR signal. The 0.25-μm CMOS supply converter achieved a maximum efficiency of 79.1%. The power-added efficiency improvement of the RF power amplifier with the proposed supply converter was 3.1% when tested with a 40-MHz 256-QAM 5G NR signal. ? 1986-2012 IEEE. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85097166122&doi=10.1109%2fTPEL.2020.3039786&partnerID=40&md5=58f1450e3f9446b82e537242432ee019 https://scholars.lib.ntu.edu.tw/handle/123456789/581240 |
ISSN: | 08858993 | DOI: | 10.1109/TPEL.2020.3039786 | SDG/Keyword: | CMOS integrated circuits; Efficiency; Power amplifiers; Power converters; Switching circuits; Envelope tracking; Fast switching; Hysteretic control; Maximum Efficiency; Mobile terminal; Power-added efficiency; RF power amplifiers; Switching regulator; 5G mobile communication systems |
| Appears in Collections: | 電機工程學系 |
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