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2019•Advances in computer and electrical engineering book seriesRequires access

A New Compact Coplanar Waveguide Stop Band Filter Based on Circular Shaped DGS for Microwave and Millimeters Wave Applications

Elmahjouby Sghir, Ahmed Errkik, Mohamed Latrach

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Abstract

This chapter introduces an overview of coplanar technology and the general techniques and process to improve the response and characteristics of microwave components. A new circular defected ground structure (DGS) with shaped coplanar line is investigated for compact stopband filter (SBF) for microwave and millimeter wave applications. With this structure, the response of resonant element in 20 GHz exhibits the bandstop function. The proposed DGS is also modified by introducing four symmetrical slots with L-configuration in conductor line of a coplanar circuit to improve separately the stopband and passband performances. An equivalent circuit model derived for the proposed structures will be provided.

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What this paper is about

This chapter introduces an overview of coplanar technology and the general techniques and process to improve the response and characteristics of microwave components. A new circular defected ground structure (DGS) with shaped coplanar line is investigated for compact stopband filter (SBF) for microwave and millimeter wave applications. With this structure, the response of resonant element in 20 GHz exhibits the bandstop function. The proposed DGS is also modified by introducing four symmetrical slots with L-configuration in conductor line of a coplanar circuit to improve separately the stopband and passband performances. An equivalent circuit model derived for the proposed structures will be provided.

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Available abstract

This chapter introduces an overview of coplanar technology and the general techniques and process to improve the response and characteristics of microwave components. A new circular defected ground structure (DGS) with shaped coplanar line is investigated for compact stopband filter (SBF) for microwave and millimeter wave applications. With this structure, the response of resonant element in 20 GHz exhibits the bandstop function. The proposed DGS is also modified by introducing four symmetrical slots with L-configuration in conductor line of a coplanar circuit to improve separately the stopband and passband performances. An equivalent circuit model derived for the proposed structures will be provided.

Key concepts: Stopband, Coplanar waveguide, Passband, Microwave, Conductor, Extremely high frequency, Microstrip, Electronic engineering

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