Novel Dielectric Resonator-Based Microstrip Filters with Adjustable Transmission and Equalization Zeros
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| Xuất bản năm: | Electronics vol. 14, no. 13 (2025), p. 2557-2589 |
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| Tác giả chính: | |
| Tác giả khác: | , , , |
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MDPI AG
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| Truy cập trực tuyến: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| 045 | 2 | |b d20250101 |b d20251231 | |
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| 100 | 1 | |a Espinosa-Adams, David |u Signal Theory and Communications Department (DTSC), University Carlos III of Madrid (UC3M), Avenida de la Universidad 30, 28911 Leganés, Spain; daespino@ing.uc3m.es (D.E.-A.); sllorent@ing.uc3m.es (S.L.-R.) | |
| 245 | 1 | |a Novel Dielectric Resonator-Based Microstrip Filters with Adjustable Transmission and Equalization Zeros | |
| 260 | |b MDPI AG |c 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a This work presents a comprehensive technological study of dielectric resonator-based microstrip filters (DRMFs), encompassing the design, fabrication, and rigorous characterization of the <inline-formula>TE01δ</inline-formula> mode. Through systematic coupling analysis, we demonstrate filters featuring novel input–output coupling techniques and innovative implementations of both transmission zeros (4-2-0 configuration) and equalization zeros (4-0-2 configuration), specifically designed for demanding space and radar receiver applications, while the loaded quality factor (<inline-formula>QL</inline-formula>) and insertion loss do not match those of dielectric resonator cavity filters (DRCFs), our solution significantly surpasses conventional microstrip filters (MFs), achieving <inline-formula>QL</inline-formula>> 3000 compared to typical <inline-formula>QL</inline-formula>≈ 200 for coupled-line MFs in X-band. The fabricated filters exhibit exceptional performance as follows: input reflection (<inline-formula>S11</inline-formula>) below −18 dB (4-2-0) and −16.5 dB (4-0-2), flat transmission response (<inline-formula>S21</inline-formula>), and out-of-band rejection exceeding −30 dB. Mechanical tuning enables precise control of input–output coupling, inter-resonator coupling, cross-coupling, and frequency synthesis, while equalization zeros provide tailored group delay characteristics. This study positions DRMFs as a viable intermediate technology for high-performance RF systems, bridging the gap between conventional solutions. | |
| 653 | |a Insertion loss | ||
| 653 | |a Cavity resonators | ||
| 653 | |a Simulation | ||
| 653 | |a Equalization | ||
| 653 | |a Satellite communications | ||
| 653 | |a Intermediate technology | ||
| 653 | |a Bandwidths | ||
| 653 | |a Radar receivers | ||
| 653 | |a Design | ||
| 653 | |a Measurement techniques | ||
| 653 | |a Cross coupling | ||
| 653 | |a Group delay | ||
| 653 | |a Manufacturing | ||
| 653 | |a Superhigh frequencies | ||
| 653 | |a Electronic filters | ||
| 653 | |a Configurations | ||
| 653 | |a Microstrip devices | ||
| 700 | 1 | |a Llorente-Romano, Sergio |u Signal Theory and Communications Department (DTSC), University Carlos III of Madrid (UC3M), Avenida de la Universidad 30, 28911 Leganés, Spain; daespino@ing.uc3m.es (D.E.-A.); sllorent@ing.uc3m.es (S.L.-R.) | |
| 700 | 1 | |a González-Posadas Vicente |u Ingeniería Audiovisual y Comunicaciones Department (DIAC), ETSI y Sistemas de Telecomunicación (ETSIyST), Polytechnic University of Madrid (UPM), Calle Nicolas Tesla, 28031 Madrid, Spain; vicente.gonzalez@upm.es (V.G.-P.); joseluis.jimenez@upm.es (J.L.J.-M.) | |
| 700 | 1 | |a Jiménez-Martín, José Luis |u Ingeniería Audiovisual y Comunicaciones Department (DIAC), ETSI y Sistemas de Telecomunicación (ETSIyST), Polytechnic University of Madrid (UPM), Calle Nicolas Tesla, 28031 Madrid, Spain; vicente.gonzalez@upm.es (V.G.-P.); joseluis.jimenez@upm.es (J.L.J.-M.) | |
| 700 | 1 | |a Segovia-Vargas, Daniel |u Signal Theory and Communications Department (DTSC), University Carlos III of Madrid (UC3M), Avenida de la Universidad 30, 28911 Leganés, Spain; daespino@ing.uc3m.es (D.E.-A.); sllorent@ing.uc3m.es (S.L.-R.) | |
| 773 | 0 | |t Electronics |g vol. 14, no. 13 (2025), p. 2557-2589 | |
| 786 | 0 | |d ProQuest |t Advanced Technologies & Aerospace Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3229143074/abstract/embedded/6A8EOT78XXH2IG52?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/3229143074/fulltextwithgraphics/embedded/6A8EOT78XXH2IG52?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3229143074/fulltextPDF/embedded/6A8EOT78XXH2IG52?source=fedsrch |