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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2009-03-10
A Compact Composite Broad Stop-Band Elliptic-Function Low-Pass Filter for Ultra Wide-Band Applications Using Interdigital Capacitors
By
Mehdi Nosrati,

    Mr. Mehdi Nosrati

    Faculty of Engineering, Department of Electrical Engineering

    Islamic Azad University, Dehloran Branch

    Iran

    Homepage

Tayeb Faraji,

    Dr. Tayeb Faraji

    Faculty of Engineering, Department of Electrical Engineering

    Kermanshah Azad University

    Iran

    Homepage

Zahra Atlasbaf

    Dr. Zahra Atlasbaf

    Department of Electrical Engineering

    Tarbiat Modares University (TMU)

    Iran

    Homepage

Progress In Electromagnetics Research Letters, Vol. 7, 87-95, 2009
doi:10.2528/PIERL09011707 | Google Scholar

Abstract
A compact composite ultra wide-band elliptic-function low-pass filter is introduced by combining in cascade a microstrip stepped-impedance resonator using interdigital capacitor and an admittance inverter. A triple cascade low-pass filter is designed, analyzed and tested with this technique accompanied by its equivalent circuit model. This composition acts similar to composite filter with desire attenuation and matching properties in order to obtain wide bandwidth and broad stop-band. The proposed low-pass filter features the sharpness of cut off frequency, low insertion-loss, enhancement of bandwidth up to X-band frequencies and very compact size.
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Citation
Mehdi Nosrati, Tayeb Faraji, and Zahra Atlasbaf, "A Compact Composite Broad Stop-Band Elliptic-Function Low-Pass Filter for Ultra Wide-Band Applications Using Interdigital Capacitors," Progress In Electromagnetics Research Letters, Vol. 7, 87-95, 2009.
doi:10.2528/PIERL09011707
References

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