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Investigations of a New Design Concept for Wide-Band Hybrid Ladder Filters

Title data

Wagner, Michael ; Grossmann, Timo ; Tomasik, Jakob ; Weigel, Robert ; Hagelauer, Amélie:
Investigations of a New Design Concept for Wide-Band Hybrid Ladder Filters.
In: IEEE (ed.): 2019 IEEE International Ultrasonics Symposium (IUS). - Piscataway, NJ : IEEE , 2019 . - pp. 2564-2567
ISBN 978-1-7281-4596-9
DOI: https://doi.org/10.1109/ULTSYM.2019.8925929

Official URL: Volltext

Abstract in another language

In this paper, a new design concept for wide-band hybrid ladder filters is investigated. The concept enables manipulation of the fixed behavior and limited electromechanical coupling coefficient (k eff 2 ) of acoustic-wave resonators by additional lumped-element resonators. This hybrid approach allows for resonance spreading of single acoustic-wave resonators, which corresponds to an increased k eff 2 . An illustration of the concept is given, as well as an example for the application to wide-band filter design. Measurements of one of two proposed basic structures show an effective increase of k eff 2 by a factor of more than 4, demonstrating that the concept is feasible in practice.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: Resonators; Resonant frequency; Resonator filters; Filtering theory; Wires; Equivalent circuits; Integrated circuit modeling
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Communication Electronics > Chair Communication Electronics - Univ.-Prof. Dr.-Ing. Amélie Marietta Hagelauer
Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Communication Electronics
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 19 Nov 2020 08:52
Last Modified: 19 Nov 2020 11:04
URI: https://eref.uni-bayreuth.de/id/eprint/57364