Couplings of microstrip square open-loop resonators for cross-coupled planar microwave filters

Jia-Sheng Hong; Michael J. Lancaster

doi:10.1109/22.543968

Couplings of microstrip square open-loop resonators for cross-coupled planar microwave filters

Jia-Sheng Hong, Michael J. Lancaster

Research output: Contribution to journal › Article › peer-review

791 Citations (Scopus)

Abstract

A new type of cross-coupled planar microwave filter using coupled microstrip square open-loop resonators is proposed. A method for the rigorous calculation of the coupling coefficients of three basic coupling structures encountered in this type of filter is developed. Simple empirical models are derived for estimation of the coupling coefficients. Experiments are performed to verify the theory. A four-pole elliptic function filter of this type is designed and fabricated. Both the theoretical and experimental performance is presented

Original language	English
Pages (from-to)	2099-2109
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	44
Issue number	11
DOIs	https://doi.org/10.1109/22.543968
Publication status	Published - Nov 1996

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@article{073c4e9db8e14bae9ed4a1eeff116a79,

title = "Couplings of microstrip square open-loop resonators for cross-coupled planar microwave filters",

abstract = "A new type of cross-coupled planar microwave filter using coupled microstrip square open-loop resonators is proposed. A method for the rigorous calculation of the coupling coefficients of three basic coupling structures encountered in this type of filter is developed. Simple empirical models are derived for estimation of the coupling coefficients. Experiments are performed to verify the theory. A four-pole elliptic function filter of this type is designed and fabricated. Both the theoretical and experimental performance is presented",

author = "Jia-Sheng Hong and Lancaster, {Michael J.}",

year = "1996",

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AU - Hong, Jia-Sheng

AU - Lancaster, Michael J.

PY - 1996/11

Y1 - 1996/11

N2 - A new type of cross-coupled planar microwave filter using coupled microstrip square open-loop resonators is proposed. A method for the rigorous calculation of the coupling coefficients of three basic coupling structures encountered in this type of filter is developed. Simple empirical models are derived for estimation of the coupling coefficients. Experiments are performed to verify the theory. A four-pole elliptic function filter of this type is designed and fabricated. Both the theoretical and experimental performance is presented

AB - A new type of cross-coupled planar microwave filter using coupled microstrip square open-loop resonators is proposed. A method for the rigorous calculation of the coupling coefficients of three basic coupling structures encountered in this type of filter is developed. Simple empirical models are derived for estimation of the coupling coefficients. Experiments are performed to verify the theory. A four-pole elliptic function filter of this type is designed and fabricated. Both the theoretical and experimental performance is presented

U2 - 10.1109/22.543968

DO - 10.1109/22.543968

M3 - Article

SN - 0018-9480

VL - 44

SP - 2099

EP - 2109

JO - IEEE Transactions on Microwave Theory and Techniques

JF - IEEE Transactions on Microwave Theory and Techniques

IS - 11

ER -

Couplings of microstrip square open-loop resonators for cross-coupled planar microwave filters

Abstract

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