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Title:
ELECTROACOUSTIC FILTER INCLUDING SPLIT RESONATOR WITH DETUNING
Document Type and Number:
WIPO Patent Application WO/2022/157029
Kind Code:
A3
Abstract:
Aspects of the disclosure relate to wireless communication, and high-frequency filters with resonators. One example is a frequency band filter circuit having a split resonator. The split resonator comprises a resonator including a first section of a shared input busbar (722), a first section of a shared output busbar (724), and an electrode structure between the first section of the shared input busbar and the first section of the shared output busbar, the electrode structure configured for a resonance. The split resonator also comprises a detuned resonator. The detuned resonator includes a second section of the shared input busbar, a second section of the shared output busbar, and a detuned electrode structure between the second section of the shared input busbar and the second section of the shared output busbar, the detuned electrode structure configured for a detuned resonance different from the resonance.

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Inventors:
YOON JIMAN (DE)
KIWITT JÜRGEN (DE)
KOCH ROBERT (DE)
PITSCHI MAXIMILIAN (DE)
KLOSKA GERHARD (DE)
Application Number:
PCT/EP2022/050375
Publication Date:
February 16, 2023
Filing Date:
January 11, 2022
Export Citation:
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Assignee:
RF360 EUROPE GMBH (DE)
International Classes:
H03H9/145; H03H9/64; H03H9/02; H03H9/72; H04B1/00
Domestic Patent References:
WO2020021029A22020-01-30
Foreign References:
US20160380614A12016-12-29
US20100259341A12010-10-14
US6259336B12001-07-10
US20200021271A12020-01-16
US20190036554A12019-01-31
US20190123717A12019-04-25
Attorney, Agent or Firm:
BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWÄLTE, RECHTSANWÄLTE (DE)
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