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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Psychogiou, D. Gomez-Garcia, R. Scarbrough, D. Goldsmith, C.L. Peroulis, D. |
| Copyright Year | 2015 |
| Description | Author affiliation: MEMtronics Corp., Plano, TX, USA (Scarbrough, D.; Goldsmith, C.L.) || Dept. of Signal Theor. & Commun., Univ. of Alcala, Alcalá de Henares, Spain (Gomez-Garcia, R.) || Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA (Psychogiou, D.; Peroulis, D.) |
| Abstract | This paper focuses on the design of highly selective and high quality factor (Q) absorptive bandstop filters (ABSFs) that are based on a mixed implementation scheme using acoustic wave (AW) resonators and lumped-element components. The proposed approach enables mobile form-factor notch filters with theoretically infinite attenuation even for stopbands showing 3-dB fractional bandwidths (FBWs) as narrow as 0.013-0.02% (Q=10,000-15,000). Proof-of-concept filter prototypes using commercially-available surface acoustic wave (SAW) resonators and surface-mount components are designed, built, and characterized for an example frequency of 418 MHz. Various stopbands with measured FBWs between 0.017 and 0.078% (i.e., 0.07 and 0.327 MHz in absolute terms) and attenuation levels as high as 83 dB are demonstrated. Absorptive notches with reconfigurable levels of isolation in the range of 10-83 dB are also shown through a fabricated ABSF with controllable attenuation. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 801984 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479982752 |
| DOI | 10.1109/MWSYM.2015.7166860 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-05-17 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Resonant frequency Frequency measurement Band-pass filters Resonator filters Prototypes Surface waves Indexes reconfigurable filter Absorptive bandstop filter (ABSF) acoustic wave (AW) filter bandstop filter high quality-factor (Q) filter |
| Content Type | Text |
| Resource Type | Article |
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