Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab
Technology advancements in microwave systems demand for high performance electronic devices. This leads to the creation and development of new microwave filter topologies to achieve better selection and control of response. Ring based filter topologies become immediately attractive options as they o...
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| Format: | Book Section |
| Language: | English |
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Institute of Graduate Studies, UiTM
2015
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| Online Access: | https://ir.uitm.edu.my/id/eprint/19281/1/ABS_NORFISHAH%20AB%20WAHAB%20TDRA%20VOL%207%20IGS%2015.pdf |
| _version_ | 1796900982353821696 |
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| author | Ab Wahab, Norfishah |
| author_facet | Ab Wahab, Norfishah |
| author_sort | Ab Wahab, Norfishah |
| collection | UITM |
| description | Technology advancements in microwave systems demand for high performance electronic devices. This leads to the creation and development of new microwave filter topologies to achieve better selection and control of response. Ring based filter topologies become immediately attractive options as they offer dual resonance in their response which will ensure high selectivity and physical compactness of the filter. However, in some cases, the ring filters do not come with complete mathematical synthesis, making them difficult to design and to be generalized at higher order. This thesis introduces a single mode ring resonator, fed via one of the resonator’s quarter-wavelength coupled-line for simplification, with less control parameters. A global synthesis is developed to fix the transmission zeros and experiments are conducted to prove the validity of the synthesis and subsequently can be generalized for higher-order filters. To prove this concept, higher-order filters were realized by cascading the single mode ring to form multiple cells and additional coupled-lines were introduced in the structure to create additional poles. The global synthesis of the single mode ring was applied to demonstrate the flexibility of the single mode ring topology and its synthesis. Higherorder filters of up to 5th-order were implemented in the range of 1 GHz to 2 GHz to give a different range of fractional bandwidth between 10% - 26%... |
| first_indexed | 2024-03-06T01:43:17Z |
| format | Book Section |
| id | oai:ir.uitm.edu.my:19281 |
| institution | Universiti Teknologi MARA |
| language | English |
| last_indexed | 2024-03-06T01:43:17Z |
| publishDate | 2015 |
| publisher | Institute of Graduate Studies, UiTM |
| record_format | dspace |
| spelling | oai:ir.uitm.edu.my:192812018-06-12T07:37:43Z https://ir.uitm.edu.my/id/eprint/19281/ Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab Ab Wahab, Norfishah Malaysia Technology advancements in microwave systems demand for high performance electronic devices. This leads to the creation and development of new microwave filter topologies to achieve better selection and control of response. Ring based filter topologies become immediately attractive options as they offer dual resonance in their response which will ensure high selectivity and physical compactness of the filter. However, in some cases, the ring filters do not come with complete mathematical synthesis, making them difficult to design and to be generalized at higher order. This thesis introduces a single mode ring resonator, fed via one of the resonator’s quarter-wavelength coupled-line for simplification, with less control parameters. A global synthesis is developed to fix the transmission zeros and experiments are conducted to prove the validity of the synthesis and subsequently can be generalized for higher-order filters. To prove this concept, higher-order filters were realized by cascading the single mode ring to form multiple cells and additional coupled-lines were introduced in the structure to create additional poles. The global synthesis of the single mode ring was applied to demonstrate the flexibility of the single mode ring topology and its synthesis. Higherorder filters of up to 5th-order were implemented in the range of 1 GHz to 2 GHz to give a different range of fractional bandwidth between 10% - 26%... Institute of Graduate Studies, UiTM 2015 Book Section PeerReviewed text en https://ir.uitm.edu.my/id/eprint/19281/1/ABS_NORFISHAH%20AB%20WAHAB%20TDRA%20VOL%207%20IGS%2015.pdf Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab. (2015) In: The Doctoral Research Abstracts. IPSis Biannual Publication, 7 (7). Institute of Graduate Studies, UiTM, Shah Alam. |
| spellingShingle | Malaysia Ab Wahab, Norfishah Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab |
| title | Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab |
| title_full | Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab |
| title_fullStr | Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab |
| title_full_unstemmed | Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab |
| title_short | Single mode ring resonator for bandpass filter applications / Norfishah Ab Wahab |
| title_sort | single mode ring resonator for bandpass filter applications norfishah ab wahab |
| topic | Malaysia |
| url | https://ir.uitm.edu.my/id/eprint/19281/1/ABS_NORFISHAH%20AB%20WAHAB%20TDRA%20VOL%207%20IGS%2015.pdf |
| work_keys_str_mv | AT abwahabnorfishah singlemoderingresonatorforbandpassfilterapplicationsnorfishahabwahab |