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\begin{document}

\title{A bipolar junction transistor EMC modeling method based on physical
characteristic measurement and simplex optimization}



\author[1]{Zeyu Pan}%
\author[1]{Yu Zhang}%
\author[2]{Dan Ren}%
\author[1]{Jinsheng Yang}%
\author[1]{Bao-Lin Nie}%
\author[1]{Pingan Du}%
\affil[1]{University of Electronic Science and Technology of China School of Mechanical and Electrical Engineering}%
\affil[2]{China Academy of Engineering Physics Institute of Electronic Engineering}%


\vspace{-1em}



  
  \date{May 24, 2024}


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\selectlanguage{english}
\begin{abstract}
Bipolar junction transistors (BJTs) are widely used in various
electronic systems, and the establishment of the electromagnetic
compatibility (EMC) model for BJTs is crucial for EMC analysis of these
systems, such as high-frequency circuits. In this paper, a BJT EMC model
that satisfies both functionality and EMC analysis requirements was
established based on physical characteristic measurement. Firstly,
comprehensive and systematic methods for measurement and extracting
SPICE parameters based on physical BJTs are presented, including a
proposed curve-fitting calculation method for extracting barrier
capacitance parameters. Secondly, an analysis of the impact of major BJT
electrical characteristics parameters was conducted, leading to the
identification of important model parameters affecting BJT functionality
and EMC. Finally, the primary BJT model was optimized using the simplex
method, and a method for EMC analysis and verification of the BJT model
was presented. The experimental and simulation results are in good
agreement, and the established model meets the accuracy requirements for
both EMC and functionality. Therefore, the proposed method is feasible
and suitable for the EMC modeling of BJTs.%
\end{abstract}%



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\textbf{Hosted file}

\verb`IJCTA-manuscript.doc`  available at \url{https://authorea.com/users/504402/articles/642095-a-bipolar-junction-transistor-emc-modeling-method-based-on-physical-characteristic-measurement-and-simplex-optimization}

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