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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2020-11-06
Compact d -CRLH Structure for Filtering Power Divider
By
Dilip Kumar Choudhary,

    Dr. Dilip Kumar Choudhary

    Department of Electronics Engineering

    Indian Institute of Technology (Indian School of Mines)

    India

    Homepage

Raghvendra Kumar Chaudhary

    Prof. Raghvendra Kumar Chaudhary

    Department of Electronics Engineering

    IIT(ISM) Dhanbad

    India

    Homepage

Progress In Electromagnetics Research Letters, Vol. 94, 93-101, 2020
doi:10.2528/PIERL20071504 | Google Scholar

Abstract
This research work introduces a compact dual composite right/left handed (D-CRLH) unit cell structure for filtering power divider (FPD) application. The D-CRLH unit-cell consists of an interdigital capacitor with two shorted fingers in series. It contains a meander line, a rectangular stub, and a via in shunt, both series and shunt elements provide filtering response as a bandpass filter. This design has been developed on dielectric material of thickness 1.6 mm, usually called as Epoxy glass substrate (FR-4). The transmission line of length λg/4 of a Wilkinson power divider has been replaced with a D-CRLH unit cell to reduce the size of proposed structure more than 60%. Another advantage of using a D-CRLH structure is the position of resonance frequency independently controlled by series parameter only because of shorted structure. The series chip resistor has been utilized to improve the isolation at resonance in between output ports. It offers miniaturization with electrical footprint area of 0.15λg x 0.27λg (11.4 mm x 20.4 mm), here λg represents the guided wavelength at resonance frequency of 2.5 GHz.
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Citation
Dilip Kumar Choudhary, and Raghvendra Kumar Chaudhary, "Compact d -CRLH Structure for Filtering Power Divider," Progress In Electromagnetics Research Letters, Vol. 94, 93-101, 2020.
doi:10.2528/PIERL20071504
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