GB8918636D0 - Microwave resonators and microwave filters incorporating microwave resonators - Google Patents

Microwave resonators and microwave filters incorporating microwave resonators

Info

Publication number
GB8918636D0
GB8918636D0 GB898918636A GB8918636A GB8918636D0 GB 8918636 D0 GB8918636 D0 GB 8918636D0 GB 898918636 A GB898918636 A GB 898918636A GB 8918636 A GB8918636 A GB 8918636A GB 8918636 D0 GB8918636 D0 GB 8918636D0
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.)
Granted
Application number
GB898918636A
Other versions
GB2235339A (en
GB2235339B (en
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 true GB8918636D0 (en) 1989-09-27
GB2235339A GB2235339A (en) 1991-02-27
GB2235339B 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
EP2886524A1 (en) 2013-12-18 2015-06-24 Skyworks Solutions, Inc. Tunable resonators using high dielectric constant ferrite rods
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
EP3453682B1 (en) 2017-09-08 2023-04-19 Skyworks Solutions, Inc. Low temperature co-fireable dielectric materials
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312915A (en) * 1965-12-30 1967-04-04 Ibm Coupled helical wave structure employing a remanently magnetized ferrite
GB1356260A (en) * 1970-11-05 1974-06-12 Nat Res Dev Tunable microwave filters
US4431977A (en) * 1982-02-16 1984-02-14 Motorola, Inc. Ceramic bandpass filter
CA1204181A (en) * 1982-12-06 1986-05-06 Yoshikazu Murakami Ferromagnetic resonator
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
JPS6152003A (en) * 1984-08-21 1986-03-14 Murata Mfg Co Ltd Dielectric filter
JPS62141802A (en) * 1985-12-16 1987-06-25 Murata Mfg Co Ltd Fixing structure for dielectric coaxial resonator
CA1271237A (en) * 1986-07-02 1990-07-03 Yoshikazu Murakami Ferromagnetic resonator device
JPS6384301A (en) * 1986-09-29 1988-04-14 Sony Corp Ferromagnetic resonance equipment

Also Published As

Publication number Publication date
GB2235339A (en) 1991-02-27
GB2235339B (en) 1994-02-09

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Legal Events

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

Effective date: 19940509