Highly Compact, Multiband Composite-Right/Left-Handed(CRLH) Transmission Line Based Stub for GPS Applications

2019 IEEE 69th Electronic Components and Technology Conference (ECTC) Pub Date : 2019-05-28 DOI:10.1109/ECTC.2019.00-35

Hae-in Kim, Seahee Hwangbo, Renuka Bowrothu, Y. Yoon

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引用次数: 2

Abstract

A highly compact, multiband composite right/left-handed (CRLH) transmission line based stub for tri-band applications with two GPS (L1, L2) frequencies, and GSM frequency, is demonstrated. The advantages of this work are as follows: 1) The three frequencies are covered by a single /4 stub, providing compactness and reducing system complexity; 2) By using a substrate with a high dielectric constant, additional size reduction is realized. The lumped element circuit model has been designed using Advanced Design Systems (ADS, Keysight Technologies Inc.) and the parameters are calculated based on the bridged-CRLH (B-CRLH) circuit model. Distributed components have been designed with a numerical simulation program, High Frequency Structure Simulator (HFSS, ANSYS Inc.). The CRLH based quarter wavelength stub is characterized by the frequency-phase dispersion diagram and scattering parameters. The demonstrated design uses a meander line structure in an M-shape, the so-called M-CRLH, to provide the shunt and series capacitance and inductance, and the bridge inductance. An open-circuited quarter wavelength (λ/4) tri-band CRLH transmission line based stub is fabricated and characterized.

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高度紧凑，多波段复合左/右(CRLH)传输线为基础的存根GPS应用

演示了一种高度紧凑的多波段复合左/右(CRLH)传输线存根，用于具有两个GPS (L1, L2)频率和GSM频率的三波段应用。这项工作的优点是:1)三个频率由一个/4 stub覆盖，提供了紧凑性，降低了系统的复杂性;2)通过使用高介电常数的衬底，实现了额外的尺寸减小。采用Keysight公司的先进设计系统(ADS)设计了集总元件电路模型，并根据桥接- crlh (B-CRLH)电路模型计算了参数。利用ANSYS公司的高频结构仿真软件(HFSS)对分布式构件进行了设计。用频相色散图和散射参数表征了基于CRLH的四分之一波长短段。演示的设计使用m形的曲线结构，即M-CRLH，来提供并联和串联电容和电感以及桥式电感。制作了一种开路四分之一波长(λ/4)三波段CRLH传输线短线，并对其进行了表征。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 IEEE 69th Electronic Components and Technology Conference (ECTC)

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