Planar realization of a <i>Q</i>‐band triple‐mode filter using high‐order resonances
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Bibliographic record
Abstract
Abstract A simple method for a Q ‐band planar triple‐mode filter with quasi‐elliptic function response is proposed in this letter. This filter is implemented using a high‐order mode cavity with substrate‐integrated waveguide (SIW) technology and standard printed circuit board (PCB) process. By adopting an orthogonal input and output feed‐line and introducing some perturbation, transmission zeros are generated on both sides, which have significantly improved filter selectivity and out‐of‐band rejection. This triple‐mode resonator is then combined with a circular dual‐mode cavity to obtain a highly selective filter in Q ‐band with better stopband rejection. Both of the two filters are fabricated and measured. Low insertion loss and sharp sideband characteristic are observed, which is in good agreement with simulation. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 600–603, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24114
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Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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