A low-loss, continuously tunable microwave notch filter

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The development in high-end microwave transceiver systems toward the software defined radio has brought about the need for tunable frontend filters. Although the problem is being tackled by the microwave community, there still appears to be an unmet demand for practical tunable filter technologies. With this motivation, this work presents a tuning method that delivers a resonator Q0 of 2000–3621 within a minimum tuning ratio of 1:1.42. A continuously tunable notch filter based on this tuning method is presented. The design is manufactured, measured, and verified. It is shown that the tuning technology compares favorably to other selected technologies.
Original languageEnglish
JournalInternational Journal of Microwave and Wireless Technologies
Volume8
Issue number3
Pages (from-to)567–572
Number of pages6
ISSN1759-0787
DOIs
Publication statusPublished - 2016
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Continuously tunable, Ferrite, Filter, High-Q, Notch filters, Radio transceivers, Software radio, Tuning, Front-end filters, Microwave community, Microwave transceivers, Software-defined radios, Tunable notch filter, Microwave filters
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