Effect of external circuit susceptance upon dual-mode coupling of a bandpass filter

The effect of external circuit susceptances in the coupling between the dual-modes of a microstrip ring resonator bandpass filter in addition to the main stub perturbation susceptances is described. New theoretical expressions are devised to calculate this coupling and they are experimentally verifi...

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Bibliographic Details
Published in:IEEE microwave and guided wave letters 2000-11, Vol.10 (11), p.457-459
Main Authors: Kundu, A.C., Awai, I.
Format: Article
Language:English
Subjects:
Admittance
Applied sciences
Band pass filters
Bandpass filters
Bandwidth
Circuit properties
Circuits
Coupling circuits
Distributed parameter circuits
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Joining
Mathematical analysis
Microstrip filters
Microstrip resonators
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Optical ring resonators
Perturbation methods
Resonant frequency
Resonators
RLC circuits
Susceptance
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Description
Summary:The effect of external circuit susceptances in the coupling between the dual-modes of a microstrip ring resonator bandpass filter in addition to the main stub perturbation susceptances is described. New theoretical expressions are devised to calculate this coupling and they are experimentally verified.
ISSN:1051-8207
2771-957X
1558-2329
2771-9588
DOI:10.1109/75.888831