A new way of bandpass filter design based on zeroth-order and negative-order resonance modes

A new method of bandpass filter design is proposed by using the CRLH transmission line theory. The method starts from the dispersion diagram of CRLH transmission line and is based on the negative first order and zero order resonance modes of an unbalanced CRLH transmission line. The relationship bet...

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Bibliographic Details
Main Authors: Tao Yang, Hashemi, M.R.M., Pei-Ling Chi, Itoh, T.
Format: Conference Proceeding
Language:English
Subjects:
Band pass filters
Bandpass filter
Boundary conditions
Chromium
Design methodology
Distributed parameter circuits
Equivalent circuits
Microwave filters
Mushroom
Negative order resonator
Resonance
Resonator filters
Transmission line theory
Wide stop-band
Zeroth-order resonator
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Description
Summary:A new method of bandpass filter design is proposed by using the CRLH transmission line theory. The method starts from the dispersion diagram of CRLH transmission line and is based on the negative first order and zero order resonance modes of an unbalanced CRLH transmission line. The relationship between the new method and conventional coupling, method of filter design is discussed. By using the new method, a two-order mushroom filter is designed, fabricated and tested in this paper. The filter achieves a small size and a wide-stopband.
ISSN:2165-4727
2165-4743
DOI:10.1109/APMC.2009.5385401