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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wenxing Tang Jia-Sheng Hong |
| Copyright Year | 2009 |
| Description | Author affiliation: Dept. of Electrical, Electronic and Computer Engineering, Heriot-Watt University Riccarton, Edinburgh EH14 4AS, United Kingdom (Wenxing Tang; Jia-Sheng Hong) |
| Abstract | In this paper, a new type of varactor-tuned microstrip quasi-elliptic function bandpass filter based on dual-mode open-loop resonator is investigated. By employing the unique characteristic of the dual-mode open-loop resonator, i.e. whose two operating modes (odd-and even-modes) do not couple to each other, tuning the passband frequency becomes simple with a single DC bias circuit. Two finite-frequency transmission zeros on each side of the passband are tunable along with the center frequency, resulting in high selective frequency response. A designed four-pole tunable bandpass filter of this type is demonstrated experimentally. |
| Starting Page | 767 |
| Ending Page | 770 |
| File Size | 701094 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424447480 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-09-29 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | EUMA |
| Subject Keyword | Microstrip filters Band pass filters Resonator filters Passband Filtering theory Microstrip resonators Tunable circuits and devices Frequency response Tuning Varactors tunable filter Microstrip filter dual-mode resonator filter |
| Content Type | Text |
| Resource Type | Article |
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