Distributed Small-Signal Equivalent Circuit Model and Parameter Extraction for SiGe HBT Article Swipe

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Yabin Sun , Ziyu Liu , Xiaojin Li , Yanling Shi ·

YOU? · · 2019 · Open Access · · DOI: https://doi.org/10.1109/access.2018.2879972

In this paper, we present an improved high frequency small-signal distributed model for SiGe HBTs under forward-active mode based on the transmission line theory. The distributed nature of the transistor structure is taken into account in the proposed model. The single SiGe HBT is considered to be a cascade of many infinitesimal transistors, connected with the intrinsic base resistance. The closed-form solutions of admittance parameters for the distributed model are derived by solving the transmission line equation. With reasonable approximation and simplification, the model parameters are then directly extracted based on the nonlinear rational function fitting. The new improved distributed model and parameter extraction technique are validated with a SiGe HBT from 100 MHz to 20.89 GHz. The simulated -parameters in the proposed transmission line model are in close agreement with the measured data, and the frequency characteristics of the transistors are well predicted.

Related Topics

Transistor

North Cascades National Park

Electronic Engineering

Mathematics

Electrical Engineering

Voltage

Bipolar Junction Transistor

Concepts

Heterojunction bipolar transistor Transistor Cascade Transmission line Topology (electrical circuits) Transmission (telecommunications) Admittance Distributed element model Line (geometry) Computer science Algorithm Electronic engineering Mathematics Electrical engineering Voltage Bipolar junction transistor Engineering Combinatorics Telecommunications Chemical engineering Electrical impedance Geometry

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Type: article
Language: en
Landing Page: https://doi.org/10.1109/access.2018.2879972
PDF: https://ieeexplore.ieee.org/ielx7/6287639/8600701/08599179.pdf
OA Status: gold
Cited By: 3
References: 18
Related Works: 10
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DOI: https://doi.org/10.1109/access.2018.2879972

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Title: Distributed Small-Signal Equivalent Circuit Model and Parameter Extraction for SiGe HBT

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Language: en

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Publication year: 2019

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Publication date: 2019-01-01

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Authors: Yabin Sun, Ziyu Liu, Xiaojin Li, Yanling Shi

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Landing page: https://doi.org/10.1109/access.2018.2879972

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Concepts: Heterojunction bipolar transistor, Transistor, Cascade, Transmission line, Topology (electrical circuits), Transmission (telecommunications), Admittance, Distributed element model, Line (geometry), Computer science, Algorithm, Electronic engineering, Mathematics, Electrical engineering, Voltage, Bipolar junction transistor, Engineering, Combinatorics, Telecommunications, Chemical engineering, Electrical impedance, Geometry

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Cited by: 3

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Citations by year (recent): 2024: 1, 2023: 1, 2021: 1

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