Session 5Front-End Circuits for High-Performance Transceivers.pdf

1、Session 5 Overview:Front-End Circuits for High-Performance Transceivers RF SUBCOMMITTEEFront-end circuits continue to evolve,demonstrating higher power ef ficiency,output power,and supported data-rates,along with increased robustness to antenna impedance variations and higher integration levels.The

2、first paper in this session presents a GaN PA operating in a switchless Class-G Doherty continuum,achieving high ef ficiency over a wide bandwidth.This is f ollowed by f our papers showcasing the latest developments in PA circuits.The next 4 papers f ocus on digital transmitters that deliver high ou

3、tput power,ef ficiency,and linearity.The final two papers are on LNAs,with the last one demonstrating an LNA with improved linearity using a Doherty architecture.Session Chair:Henrik Sjland Ericsson Research and Lund University,Lund,Sweden Session Co-Chair:Hongtao Xu Fudan University,Shanghai,China

4、88 2025 IEEE International Solid-State Circuits Conf erenceISSCC 2025/SESSION 5/FRONT-END CIRCUITS FOR HIGH-PERFORMANCE TRANSCEIVERS/OVERVIEW979-8-3315-4101-9/25/$31.00 2025 IEEE1:30 PM 5.1 A GaN SLCG-Dohert y-Cont inuum Power Amplifier Achieving 38%6dB Back-Off Efficiency over 1.35 t o 7.6GHz Wenhu

5、a Chen,Tsinghua University,Beijing,China In Paper 5.1,Tsinghua University presents a GaN PA with high back-of f ef ficiency over a wide f requency range operating in a SLCG-Doherty continuum.It achieves over 38%ef ficiency at 6dB back-of f f rom 1.35 to 7.6GHz.1:55 PM 5.2 Spat ial-Temporal Direct-Di

6、git al Beamforming Power Amplifier wit h Enhanced Back-Off Efficiency in a 24GHz Phased Array Yutian Zhao,Shanghai Jiao Tong University,Shanghai,China In Paper 5.2,Shanghai Jiao Tong University introduces a digital PA f or beamf orming transmitters with enhanced back-of f ef ficiency.This design in