PulseExploreJournal ClubDebatesTrendingResearchersJournals
Instagram
HomeExploreJournal ClubTrending
Synapse
⌘+K
Synapse
March 27, 2026Scientia Sinica Informationis0 citations

A millimeter-wave gallium nitride MMIC load-modulated balanced amplifier for integrated communication, sensing, and power transfer scenarios

LYLuqi YuPCPeng ChenYYYucheng Yu

Key Points

  • To design a load-modulated balanced amplifier (LMBA) using an improved coupler for enhanced power efficiency in integrated communication and sensing applications.
  • Analyzed the effects of coupler parameters on LMBA performance
  • Designed LMBA using 0.15µm gallium nitride technology
  • Measured output power, efficiency, and gain over the 22.5-27.5GHz frequency range
  • Measured saturated output power ranged from 33.6-35.5 dBm
  • Achieved power-added efficiency (PAE) between 26-35.3%
  • Obtained saturated output gain between 14-18.2 dB
  • Recorded 8dB back-off PAE from 14-20%

Abstract

本文面向未来通信、感知和无线功率传输(通感传)一体化应用，提出了一种基于改进型兰格耦合器的负载调制平衡放大器(LMBA)设计方法。通过分析改进型兰格耦合器参数对LMBA的功率合成效率和实际传输系数的影响，得到最佳设计参数实现回退效率提升和饱和性能提升，同时缩小占用的版图面积。基于0.15µm氮化镓工艺设计并实现了一款22.5-27.5GHz的LMBA单片集成电路，实测结果表明饱和输出功率为33.6-35.5dBm，饱和功率附加效率(PAE)为26-35.3%，饱和输出增益为14-18.2dB，8db回退PAE为14-20%。

Ask AI
Helpful
Bookmark
Share
View Full Paper

Cite This Study

Yu et al. (2026) studied this question.

synapsesocial.com/papers/69c620be15a0a509bde195eehttps://doi.org/10.1360/ssi-2025-0414
Ask AI
Helpful
Bookmark
Share
View Full Paper