Invention Grant
- Patent Title: RF filter comprising N coaxial resonators arranged in a specified interdigitation pattern
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Application No.: US14637781Application Date: 2015-03-04
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Publication No.: US09647306B2Publication Date: 2017-05-09
- Inventor: John Kenneth Darling , Robert Allen Burk
- Applicant: SKYWORKS SOLUTIONS, INC.
- Applicant Address: US MA Woburn
- Assignee: Skyworks Solutions, Inc.
- Current Assignee: Skyworks Solutions, Inc.
- Current Assignee Address: US MA Woburn
- Agency: Chang & Hale LLP
- Main IPC: H01P1/205
- IPC: H01P1/205

Abstract:
Devices and methods related to multiple-pole ceramic resonator filters. In some embodiments, a radio-frequency (RF) filter can include a first coaxial resonator in a first orientation and having an input tab on a first side of the filter, and an N-th coaxial resonator in the first orientation and having an output tab on the first side of the filter. The RF filter can further include second and (N−1)th coaxial resonators, each in a second orientation opposite the first orientation to form first and second interdigitations with the first and N-th resonators, respectively. The RF filter can further include at least two coaxial resonators in the first orientation and coupled between the second and (N−1)th resonators. The N resonators can be slot coupled between the first and N-th resonators. The first and second interdigitations can be configured to provide enhancement of the slot coupling between the first and N-th resonators.
Public/Granted literature
- US20160261014A1 DEVICES AND METHODS RELATED TO MULTIPLE-POLE CERAMIC RESONATOR FILTERS Public/Granted day:2016-09-08
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