GB2491460B - A microwave filter - Google Patents

A microwave filter

Info

Publication number: GB2491460B
Authority: GB; United Kingdom
Prior art keywords: microwave filter; microwave; filter
Prior art date: 2011-06-01
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.): Active

Application number

GB1209215.1A

Other versions

GB2491460A (en

GB201209215D0 (en

Inventor

David Rhodes John

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.)

Filtronic Wireless Ltd

Original Assignee

Filtronic Wireless 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.)

2011-06-01

Filing date

2012-05-25

Publication date

2017-09-06

2011-06-01 Priority claimed from GBGB1109196.4A external-priority patent/GB201109196D0/en

2011-06-01 Priority claimed from US13/150,966 external-priority patent/US20120306596A1/en

2011-07-08 Priority claimed from GBGB1111729.8A external-priority patent/GB201111729D0/en

2012-05-25 Application filed by Filtronic Wireless Ltd filed Critical Filtronic Wireless Ltd

2012-07-04 Publication of GB201209215D0 publication Critical patent/GB201209215D0/en

2012-12-05 Publication of GB2491460A publication Critical patent/GB2491460A/en

2017-09-06 Application granted granted Critical

2017-09-06 Publication of GB2491460B publication Critical patent/GB2491460B/en

Status Active legal-status Critical Current

2032-05-25 Anticipated expiration legal-status Critical

Classifications

- 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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/03—Frequency selective two-port networks comprising means for compensation of loss
- 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
- 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
- H01P1/203—Strip line filters
- 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
- 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

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Control Of Motors That Do Not Use Commutators (AREA)

GB1209215.1A 2011-06-01 2012-05-25 A microwave filter Active GB2491460B (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GBGB1109196.4A GB201109196D0 (en)	2011-06-01	2011-06-01	A microwave filter
US13/150,966 US20120306596A1 (en)	2011-06-01	2011-06-01	Microwave Filter
GBGB1111729.8A GB201111729D0 (en)	2011-07-08	2011-07-08	A microwavew filter

Publications (3)

Publication Number	Publication Date
GB201209215D0 GB201209215D0 (en)	2012-07-04
GB2491460A GB2491460A (en)	2012-12-05
GB2491460B true GB2491460B (en)	2017-09-06

Family

ID=46456928

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB1209215.1A Active GB2491460B (en)	2011-06-01	2012-05-25	A microwave filter

Country Status (2)

Country	Link
GB (1)	GB2491460B (en)
WO (1)	WO2012164273A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2682037A (en) *	1950-09-08	1954-06-22	Bell Telephone Labor Inc	Equalizer
US5097236A (en) *	1989-05-02	1992-03-17	Murata Manufacturing Co., Ltd.	Parallel connection multi-stage band-pass filter
US5760667A (en) *	1995-07-12	1998-06-02	Hughes Aircraft Co.	Non-uniform Q self amplitude equalized bandpass filter
US7676252B2 (en) *	2006-09-15	2010-03-09	Kabushiki Kaisha Toshiba	Filter circuit having plural resonator blocks with a phase adjustment unit
GB2476868A (en) *	2010-01-06	2011-07-13	Isotek Electronics Ltd	A UHF filter using one high-Q resonator for each band edge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3497785B2 (en) *	1999-09-29	2004-02-16	株式会社東芝	Planar type filter
WO2001033660A1 (en) *	1999-11-04	2001-05-10	Paratek Microwave, Inc.	Microstrip tunable filters tuned by dielectric varactors
US6597265B2 (en) *	2000-11-14	2003-07-22	Paratek Microwave, Inc.	Hybrid resonator microstrip line filters

2012
- 2012-05-25 WO PCT/GB2012/051195 patent/WO2012164273A1/en not_active Ceased
- 2012-05-25 GB GB1209215.1A patent/GB2491460B/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2682037A (en) *	1950-09-08	1954-06-22	Bell Telephone Labor Inc	Equalizer
US5097236A (en) *	1989-05-02	1992-03-17	Murata Manufacturing Co., Ltd.	Parallel connection multi-stage band-pass filter
US5760667A (en) *	1995-07-12	1998-06-02	Hughes Aircraft Co.	Non-uniform Q self amplitude equalized bandpass filter
US7676252B2 (en) *	2006-09-15	2010-03-09	Kabushiki Kaisha Toshiba	Filter circuit having plural resonator blocks with a phase adjustment unit
GB2476868A (en) *	2010-01-06	2011-07-13	Isotek Electronics Ltd	A UHF filter using one high-Q resonator for each band edge

Also Published As

Publication number	Publication date
GB2491460A (en)	2012-12-05
GB201209215D0 (en)	2012-07-04
WO2012164273A1 (en)	2012-12-06

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