An Enhanced Broadband Continuous Extraction Approach for Complex Propagation Constants of Differential Transmission Lines

IF 4.1 1区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Microwave Theory and Techniques Pub Date : 2024-10-29 DOI:10.1109/TMTT.2024.3481908

Ziyang Chen;Ling Zhang;Jiefeng Zhou;Er-Ping Li

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引用次数: 0

Abstract

This article proposes an automatic and robust extraction method for broadband complex propagation constants of differential transmission lines, which demonstrates a reliable performance in on-wafer measurements, for the first time, up to 110 GHz. The proposed method is also suitable for asymmetric measurement fixtures when the mode conversion between differential and common modes cannot be ignored. The method first determines the order of each propagation mode at the first frequency and then applies a mode-tracking method to solve the propagation constants at the remaining frequencies. In addition, a multiline differentiation method is adopted to numerically eliminate the resonance-related glitches and noise of the attenuation constant curve by measuring several transmission lines with different lengths. Compared to the conventional approaches, the proposed method exhibits higher reliability and robustness in extracting broadband complex propagation constants, which is validated by a full-wave simulation between 0.01 and 130 GHz and an on-wafer measurement between 0.01 and 110 GHz.

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差分传输线复杂传播常数的增强型宽带连续提取方法

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来源期刊

IEEE Transactions on Microwave Theory and Techniques 工程技术-工程：电子与电气

CiteScore

8.60

自引率

18.60%

发文量

486

审稿时长

6 months

期刊介绍： The IEEE Transactions on Microwave Theory and Techniques focuses on that part of engineering and theory associated with microwave/millimeter-wave components, devices, circuits, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, and industrial, activities. Microwave theory and techniques relates to electromagnetic waves usually in the frequency region between a few MHz and a THz; other spectral regions and wave types are included within the scope of the Society whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.