GB2235339B - Microwave resonators and microwave filters incorporating microwave resonators - Google Patents

Microwave resonators and microwave filters incorporating microwave resonators

Info

Publication number
GB2235339B
GB2235339B GB8918636A GB8918636A GB2235339B GB 2235339 B GB2235339 B GB 2235339B GB 8918636 A GB8918636 A GB 8918636A GB 8918636 A GB8918636 A GB 8918636A GB 2235339 B GB2235339 B GB 2235339B
Authority
GB
United Kingdom
Prior art keywords
microwave
resonators
filters incorporating
microwave resonators
incorporating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB8918636A
Other versions
GB2235339A (en
GB8918636D0 (en
Inventor
David Bowie Cruickshank
Jacqueline Mclaughlin
William Terence Nisbet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Garrett Motion UK Ltd
Original Assignee
Racal MESL Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Racal MESL Ltd filed Critical Racal MESL Ltd
Priority to GB8918636A priority Critical patent/GB2235339B/en
Publication of GB8918636D0 publication Critical patent/GB8918636D0/en
Publication of GB2235339A publication Critical patent/GB2235339A/en
Application granted granted Critical
Publication of GB2235339B publication Critical patent/GB2235339B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01P7/04—Coaxial 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
    • H01P1/215—Frequency-selective devices, e.g. filters using ferromagnetic material
    • H01P1/217—Frequency-selective devices, e.g. filters using ferromagnetic material the ferromagnetic material acting as a tuning element in resonators
GB8918636A 1989-08-15 1989-08-15 Microwave resonators and microwave filters incorporating microwave resonators Expired - Fee Related GB2235339B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8918636A GB2235339B (en) 1989-08-15 1989-08-15 Microwave resonators and microwave filters incorporating microwave resonators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8918636A GB2235339B (en) 1989-08-15 1989-08-15 Microwave resonators and microwave filters incorporating microwave resonators

Publications (3)

Publication Number Publication Date
GB8918636D0 GB8918636D0 (en) 1989-09-27
GB2235339A GB2235339A (en) 1991-02-27
GB2235339B true GB2235339B (en) 1994-02-09

Family

ID=10661677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8918636A Expired - Fee Related GB2235339B (en) 1989-08-15 1989-08-15 Microwave resonators and microwave filters incorporating microwave resonators

Country Status (1)

Country Link
GB (1) GB2235339B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106583B (en) 1996-10-25 2001-02-28 Adc Solitra Oy resonator
US7687014B2 (en) * 2008-03-26 2010-03-30 Skyworks Solutions, Inc. Co-firing of magnetic and dielectric materials for fabricating composite assemblies for circulators and isolators
CN102324601A (en) * 2011-08-29 2012-01-18 摩比天线技术（深圳）有限公司 Tunable filter
JP6685643B2 (en) * 2013-12-18 2020-04-22 スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. Tunable resonator system, filtering system including tunable resonator system, and method of forming tunable resonator system
US20180166763A1 (en) 2016-11-14 2018-06-14 Skyworks Solutions, Inc. Integrated microstrip and substrate integrated waveguide circulators/isolators formed with co-fired magnetic-dielectric composites
JP7115941B2 (en) 2017-09-08 2022-08-09 スカイワークス ソリューションズ，インコーポレイテッド Methods of forming composite materials and methods of forming radio frequency isolators or circulators
US11603333B2 (en) 2018-04-23 2023-03-14 Skyworks Solutions, Inc. Modified barium tungstate for co-firing
US11565976B2 (en) 2018-06-18 2023-01-31 Skyworks Solutions, Inc. Modified scheelite material for co-firing

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173616A (en) * 1965-12-30 1969-12-10 Ibm Microwave Absorption Device.
GB1356260A (en) * 1970-11-05 1974-06-12 Nat Res Dev Tunable microwave filters
WO1983002853A1 (en) * 1982-02-16 1983-08-18 Motorola Inc Ceramic bandpass filter
GB2132822A (en) * 1982-12-06 1984-07-11 Sony Corp Ferromagnetic resonators
US4555683A (en) * 1984-01-30 1985-11-26 Eaton Corporation Magnetically tunable resonators and tunable devices such as filters and resonant circuits for oscillators using magnetically tuned resonators
GB2163606A (en) * 1984-08-21 1986-02-26 Murata Manufacturing Co Dielectric filter
GB2184608A (en) * 1985-12-16 1987-06-24 Murata Manufacturing Co Mount for dielectric coaxial resonators
GB2194685A (en) * 1986-07-02 1988-03-09 Sony Corp Ferromagnetic resonance devices
GB2197545A (en) * 1986-09-29 1988-05-18 Sony Corp Ferromagnetic resonators

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173616A (en) * 1965-12-30 1969-12-10 Ibm Microwave Absorption Device.
GB1356260A (en) * 1970-11-05 1974-06-12 Nat Res Dev Tunable microwave filters
WO1983002853A1 (en) * 1982-02-16 1983-08-18 Motorola Inc Ceramic bandpass filter
GB2132822A (en) * 1982-12-06 1984-07-11 Sony Corp Ferromagnetic resonators
US4555683A (en) * 1984-01-30 1985-11-26 Eaton Corporation Magnetically tunable resonators and tunable devices such as filters and resonant circuits for oscillators using magnetically tuned resonators
GB2163606A (en) * 1984-08-21 1986-02-26 Murata Manufacturing Co Dielectric filter
GB2184608A (en) * 1985-12-16 1987-06-24 Murata Manufacturing Co Mount for dielectric coaxial resonators
GB2194685A (en) * 1986-07-02 1988-03-09 Sony Corp Ferromagnetic resonance devices
GB2197545A (en) * 1986-09-29 1988-05-18 Sony Corp Ferromagnetic resonators

Also Published As

Publication number Publication date
GB2235339A (en) 1991-02-27
GB8918636D0 (en) 1989-09-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940509