All-Pass Based Filter Design Using BAW Resonators

Andreas Bogner, Rudiger Bauder, Hans Jorg Timme, Christian Reccius, Robert Weigel, Amelie Hagelauer

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The integration of multiple bands and higher power standards lead to enhanced interference problems and make higher attenuation levels in next-gen RF-Front-Ends necessary. This paper introduces an all-pass based BAW filter design concept for notch, band-stop and band-pass filter topologies to indicate the possibilities and the impact of key parameters like material electromechanical coupling factor k-{eff}^2, piezoelectric material quality factor Qm and inductor losses QL. This work outlines the concept and design aspects. Also various examples will be proposed to show the main benefits of this approach.

Original languageEnglish
Title of host publication2019 IEEE International Ultrasonics Symposium, IUS 2019
PublisherIEEE Computer Society
Pages1685-1688
Number of pages4
ISBN (Electronic)9781728145969
DOIs
StatePublished - Oct 2019
Externally publishedYes
Event2019 IEEE International Ultrasonics Symposium, IUS 2019 - Glasgow, United Kingdom
Duration: 6 Oct 20199 Oct 2019

Publication series

NameIEEE International Ultrasonics Symposium, IUS
Volume2019-October
ISSN (Print)1948-5719
ISSN (Electronic)1948-5727

Conference

Conference2019 IEEE International Ultrasonics Symposium, IUS 2019
Country/TerritoryUnited Kingdom
CityGlasgow
Period6/10/199/10/19

Keywords

  • BAW filter
  • BAW resonator
  • acoustic wave filter
  • all-pass network

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