Adjacent and diagonal coupling mechanism by even-branched resonator for adjustable radiometric filtering applications
Radio frequency-based measurement components utilize differently designed resonators to adjust various filtering characteristics. We introduce a unique coupling mechanism of a novel even-branched resonator that alone can adjust 6 radiometric filtering characteristics i.e., bandpass operation, harmon...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | en |
| Published: |
Elsevier Ltd
2022
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| Online Access: | http://eprints.utem.edu.my/id/eprint/26479/2/ADJACENT%20AND%20DIAGONAL%20COUPLING%20MECHANISM%20BY%20EVEN-BRANCHED%20RESONATOR%20FOR%20ADJUSTABLE%20RADIOMETRIC%20FILTERING%20APPLICATIONS_COMPRESSED.PDF http://eprints.utem.edu.my/id/eprint/26479/ https://reader.elsevier.com/reader/sd/pii/S0263224122010685?token=3E46E227B9D1F993D5A78B3307C5BDC1B49FE320E89999F9DA5236109D8F89D6C4B992A4712787DAEBAFEEB833AC5D5D&originRegion=eu-west-1&originCreation=20230222082454 |
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| Summary: | Radio frequency-based measurement components utilize differently designed resonators to adjust various filtering characteristics. We introduce a unique coupling mechanism of a novel even-branched resonator that alone can adjust 6 radiometric filtering characteristics i.e., bandpass operation, harmonic suppression, quality-factor enhancement, switching ability, tunability, and digitized coupling. In our design, even-branched resonators have inter-resonator magnetic coupling while each end of their branch-lines has intra-resonator electrical coupling. Using the prominent magnetic coupling, adjacently coupled- and diagonally coupled- resonators are developed. A short-circuited stepped-impedance parallel technique is applied to achieve enhanced quality-factor and switchable/tunable bandpass filtering features. Characteristics of our radiometric resonator are determined by the odd/even dependency on its branch number. Our resonator couples with its another identical unit only when it has an even number of branches and is coupled by branch-lines that are also even-numbered. With novel digitized coupling characteristics, our resonator provides a 6-in-1 solution for intelligent radiometric systems. |
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