Analysis and Design of Conductor-Backed Asymmetric Coplanar Waveguide Lines Using Conformal Mapping Techniques and Their Application to End-Coupled Filters (Special Issue on Microwave and Millimeter Wave Technology)

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概要

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• The conductor-backed asymmetrical coplanar waveguide or micro-coplanar strip (MCS) line has been analyzed. The conformal mapping method is used to calculate the quasi-static effective permittivity ε_<eff> and characteristic impedance Z_0. The computed results of the present work are found to be in good agreement when compared with the results obtained using the method reported by Yamashita et al. and experimental values reported in [2]. A novel MCS end-coupled half-wavelength long resonator filter is designed to illustrate an application of the present work. The designed filter has 4% bandwidth at a center frequency of 10.5 GHz. The measured insertion loss is approximately 3.4 dB. One of the main advantages of the MCS filter compared to the CPW filter is that bond wires do not have to be used to maintain both coplanar ground at the same potential. The MCS filter is also easily integrable with other planar components and does not require a complicated transition to microstrip.

• 一般社団法人電子情報通信学会の論文
• 1999-07-25

著者

• Uysal Sener

  Electrical Engineering Department National University Of Singapore

• Tan Kee

  Electrical Engineering Department National University Of Singapore

関連論文

• Analysis and Design of Conductor-Backed Asymmetric Coplanar Waveguide Lines Using Conformal Mapping Techniques and Their Application to End-Coupled Filters (Special Issue on Microwave and Millimeter Wave Technology)

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