Design method of legendre impedance transformer based on transmission matrix

ZHAO Jun-jun; LI Dong-mei; SONG He-lun; LIU Deng-ke

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Design method of legendre impedance transformer based on transmission matrix

更新时间：2026-09-04

- Design method of legendre impedance transformer based on transmission matrix
- Vol. 36, Issue 12, Pages: 26-29(2019)
- 作者机构：
  
  1. 上海大学材料科学与工程学院,上海,200444
  2. 中国科学院苏州纳米技术与纳米仿生研究所系统集成与IC设计研究部,江苏,苏州,215123
- 作者简介：
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- Published：2019
- 稿件说明：
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赵俊君, 李冬梅, 宋贺伦, 刘登科. 基于传输矩阵的勒让德阻抗变换器设计方法[J]. 微电子学与计算机, 2019, 36(12): 26-29.

ZHAO Jun-jun, LI Dong-mei, SONG He-lun, et al. Design method of legendre impedance transformer based on transmission matrix[J]. 2019, 36(12): 26-29.
赵俊君, 李冬梅, 宋贺伦, 刘登科. 基于传输矩阵的勒让德阻抗变换器设计方法[J]. 微电子学与计算机, 2019, 36(12): 26-29. DOI：

ZHAO Jun-jun, LI Dong-mei, SONG He-lun, et al. Design method of legendre impedance transformer based on transmission matrix[J]. 2019, 36(12): 26-29. DOI：

摘要

阻抗变换器是实现现代无线通信系统中宽带功率放大器设计的重要一环.提出了一种基于传输矩阵的勒让德阻抗变换器设计方法.该方法结合归一化的传输矩阵(参量矩阵)理论完成了勒让德阻抗变换器的公式推导和设计步骤.并结合MATLAB

ADS(Advanced Design System)联合设计了阻抗变比为4

相对带宽高达66.7%的三阶勒让德阻抗变换器.该三阶勒让德阻抗变换器带内衰减量小于0.013 dB

实际带宽为2 GHz.

Abstract

An Impedance converter is an important part of the design of broadband power amplifiers in modern wireless communication systems. A design method of Legendre impedance transformer based on transmission matrix is proposed. This method combined with the normalized transfer matrix theory completes the formula derivation and design steps of the Legendre impedance transformer. Combined with MATLAB

ADS (Advanced Design System) jointly designed a three-order Legendre impedance transformer with an impedance ratio of 4 and a relative bandwidth of 66.7%. The third-order Legendre impedance converter has an in-band attenuation L of less than 0.013 dB and an actual bandwidth of 2 GHz.

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references

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