| Presentation | 2011/12/8 A Study on Ultra-Wideband Bandpass Filter with Tunable Notch-Band Masayoshi KAMADA, Takenori YASUZUMI, Tomoki UWANO, Osamu HASHIMOTO, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | An ultra-wideband bandpass filter (UWB BPF) along with a tunable notch circuit is proposed in this paper. We have examined a compact UWB BPF which consists of shunt parallel-coupled lines and two transmission lines with a coupling capacitor inbetween. In this study, a new resonator is combined between the weakly-coupled resonators of the UWB BPF and the resonator creates a notch at the passband. The notch frequency was tuned by a varactor. As the results, the proposed BPF had the fractional bandwidth over 110 % and the notch frequencies from 2.1 to 2.7 GHz were realized. In addition, it was shown that the two stage tunable notch circuit improved the attenuation characteristics. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Tunable notch filter / varactor diode / UWB / parallel-coupled lines / MSL |
| Paper # | MW2001-133 |
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| Conference Information | |
| Committee | MW |
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| Conference Date | 2011/12/8(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Microwaves (MW) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Ultra-Wideband Bandpass Filter with Tunable Notch-Band |
| Sub Title (in English) | |
| Keyword(1) | Tunable notch filter |
| Keyword(2) | varactor diode |
| Keyword(3) | UWB |
| Keyword(4) | parallel-coupled lines |
| Keyword(5) | MSL |
| 1st Author's Name | Masayoshi KAMADA |
| 1st Author's Affiliation | Department of Electrical Engineering and Electronics, College of Science and Engineering, Aoyama Gakuin University() |
| 2nd Author's Name | Takenori YASUZUMI |
| 2nd Author's Affiliation | Department of Electrical Engineering and Electronics, College of Science and Engineering, Aoyama Gakuin University |
| 3rd Author's Name | Tomoki UWANO |
| 3rd Author's Affiliation | Department of Electrical Engineering and Electronics, College of Science and Engineering, Aoyama Gakuin University |
| 4th Author's Name | Osamu HASHIMOTO |
| 4th Author's Affiliation | Department of Electrical Engineering and Electronics, College of Science and Engineering, Aoyama Gakuin University |
| Date | 2011/12/8 |
| Paper # | MW2001-133 |
| Volume (vol) | vol.111 |
| Number (no) | 351 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |