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Sweet-Spot Analysis for Multiparameter Robustness with LNA

첫 페이지 보기
  • 발행기관
    선문효정학술연구회 바로가기
  • 간행물
    The Journal of Sciences and Innovation for Sustainable Peace(구 The journal of Hyojeong Academia) 바로가기
  • 통권
    Vol. 4 No. 1 (2026.04)바로가기
  • 페이지
    pp.3-14
  • 저자
    Waeed Hussain, Ali Raza, Wanhae Jeon, Anidozie Lordsday Sunday, Paul Jeremia, Innyeal Oh
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A484534

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원문정보

초록

영어
The term “sweet spot” is commonly used in analog/RF engineering to describe an operating region where multiple, often competing, requirements are satisfied simultaneously. This paper presents a practical sweet-spot framework that treats bias selection as a constrained multi-objective problem and explicitly connects device inversion level to distortion, noise, power/current, bandwidth-related loading, and robustness against process-voltage-temperature (PVT) drift. A step-by-step, equation-based analysis is given for IM3 shaping using a main path and an auxiliary path that controls the IM3 amplitude ratio and phase error at a combining node, clarifying how a “dip” in IM3 can be created and widened into a tunable sweet-spot region. Finally, a sweet-spot-aware parallel-path architecture is proposed to make the sweet spot tunable and repeatable under realistic excitation.

목차

Abstract
1. Introduction
2. SWEET-SPOT ANALYSIS
2.1. Two-tone test and IIP3 extraction
2.2. Main/auxiliary-path IM3 model and cancellation condition
2.3. Why ”gm3m = 0” is not always the measured sweet spot
2.4. Bias knobs that control α (Pin) and Δ (Pin)
2.5. Strategies to widen the sweet-spot region
3. SWEET SPOT PROPOSED PARALLEL STRUCTURE LNA
3.1. Block-level overview
3.2. Design rationale and tuning
3.3. Parallel-structure LNA example and design rules
3.4. Generalization beyond a single block
3.5. Implementation notes for a parallel-path RF front end
4. Conclusions
APPENDIX A. NOTATION SUMMARY
APPENDIX B. SWEET-SPOT REPORTING TEMPLATE
References

키워드

Sweet spot Inversion level IM3 IIP3 Multi-objective design Robustness PVT sensitivity Auxiliary-path linearization

저자

  • Waeed Hussain [ Dept. of Mobility Semiconductor Engineering, Sun Moon University, Asan 31460, Korea ]
  • Ali Raza [ Dept. of Mobility Semiconductor Engineering, Sun Moon University, Asan 31460, Korea ]
  • Wanhae Jeon [ Dept. of Mobility Semiconductor Engineering, Sun Moon University, Asan 31460, Korea ]
  • Anidozie Lordsday Sunday [ Dept. of Mobility Semiconductor Engineering, Sun Moon University, Asan 31460, Korea ]
  • Paul Jeremia [ Dept. of Mobility Semiconductor Engineering, Sun Moon University, Asan 31460, Korea ]
  • Innyeal Oh [ Dept. of Mobility Semiconductor Engineering, Sun Moon University, Asan 31460, Korea ] Corresponding Author

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    선문효정학술연구회 [Sun Moon Hyojeong Academy Society]
  • 설립연도
    2023
  • 분야
    복합학>학제간연구
  • 소개
    Journal of Hyojeong Academia aims to serve as a global platform where researchers and scholars of various disciplines can contribute ideas for our sustainable global community of Co‐existence, Co‐prosperity, and Co‐righteousness. The journal is a multidisciplinary, open‐access, internationally peer‐reviewed academic journal, and it invites all areas of research conducted in the spirit of post materialism including studies centering on God, studies unifying religions and sciences, and studies on all aspects of Co‐existence, Co‐prosperity, and Co‐righteousness.

간행물

  • 간행물명
    The Journal of Sciences and Innovation for Sustainable Peace(구 The journal of Hyojeong Academia)
  • 간기
    반년간
  • pISSN
    2982-9305
  • 수록기간
    2023~2026
  • 십진분류
    KDC 238 DDC 289

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