WO2009000862A3 - Tuneable rf filters and methods thereof - Google Patents
Tuneable rf filters and methods thereof Download PDFInfo
- Publication number
- WO2009000862A3 WO2009000862A3 PCT/EP2008/058095 EP2008058095W WO2009000862A3 WO 2009000862 A3 WO2009000862 A3 WO 2009000862A3 EP 2008058095 W EP2008058095 W EP 2008058095W WO 2009000862 A3 WO2009000862 A3 WO 2009000862A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tuneable
- filters
- methods
- cavity
- tuning element
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/10—Dielectric resonators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
- H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
- H01P1/2084—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/04—Coaxial resonators
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Disclosed is a radio frequency filter comprising a cavity member and a tuning element defining a cavity, the tuning element being adapted to tune a resonance frequency of the cavity; wherein the filter further comprises a piezoelectric motor adapted to displace the tuning element so as to electrically tune the filter.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200700917 | 2007-06-26 | ||
DKPA200700917 | 2007-06-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009000862A2 WO2009000862A2 (en) | 2008-12-31 |
WO2009000862A3 true WO2009000862A3 (en) | 2009-03-26 |
Family
ID=39768594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/058095 WO2009000862A2 (en) | 2007-06-26 | 2008-06-25 | Tuneable rf filters and methods thereof |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2009000862A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8598969B1 (en) * | 2011-04-15 | 2013-12-03 | Rockwell Collins, Inc. | PCB-based tuners for RF cavity filters |
CN107078368A (en) | 2014-10-27 | 2017-08-18 | 诺基亚通信公司 | The tuning of wave filter |
EP3324480B1 (en) * | 2016-11-17 | 2020-06-24 | Alcatel Lucent | Resonator, resonator assembly and filter |
CN113544966A (en) | 2019-02-22 | 2021-10-22 | 高压马达乌普萨拉有限公司 | Electromechanical motor and tunable filter comprising an electromechanical motor |
KR20220006734A (en) * | 2020-07-09 | 2022-01-18 | 삼성전자주식회사 | Antenna filter and electronic device inlcuding the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4692727A (en) * | 1985-06-05 | 1987-09-08 | Murata Manufacturing Co., Ltd. | Dielectric resonator device |
JPS6411402A (en) * | 1987-07-03 | 1989-01-17 | Mitsubishi Electric Corp | Variable frequency resonance circuit |
WO2006059159A1 (en) * | 2004-12-01 | 2006-06-08 | South Bank University Enterprises Ltd. | Tunable or re-configurable dielectric resonator filter |
-
2008
- 2008-06-25 WO PCT/EP2008/058095 patent/WO2009000862A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4692727A (en) * | 1985-06-05 | 1987-09-08 | Murata Manufacturing Co., Ltd. | Dielectric resonator device |
JPS6411402A (en) * | 1987-07-03 | 1989-01-17 | Mitsubishi Electric Corp | Variable frequency resonance circuit |
WO2006059159A1 (en) * | 2004-12-01 | 2006-06-08 | South Bank University Enterprises Ltd. | Tunable or re-configurable dielectric resonator filter |
Also Published As
Publication number | Publication date |
---|---|
WO2009000862A2 (en) | 2008-12-31 |
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