GB2452934B - A tuneable bandpass filter - Google Patents

A tuneable bandpass filter

Info

Publication number: GB2452934B
Authority: GB; United Kingdom
Prior art keywords: bandpass filter; tuneable bandpass; tuneable; filter; bandpass
Prior art date: 2007-09-19
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

GB0718275A

Other versions

GB2452934A (en

GB0718275D0 (en

Inventor

John David Rhodes

Christopher Ian Mobbs

David Ibbetson

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

Isotek Electronics 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.)

2007-09-19

Filing date

2007-09-19

Publication date

2011-09-14

2007-09-19 Application filed by Isotek Electronics Ltd filed Critical Isotek Electronics Ltd

2007-09-19 Priority to GB0718275A priority Critical patent/GB2452934B/en

2007-10-31 Publication of GB0718275D0 publication Critical patent/GB0718275D0/en

2008-09-11 Priority to EP08806241A priority patent/EP2191533A1/en

2008-09-11 Priority to CN200880108005A priority patent/CN101803108A/en

2008-09-11 Priority to PCT/GB2008/003082 priority patent/WO2009037425A1/en

2009-03-25 Publication of GB2452934A publication Critical patent/GB2452934A/en

2011-09-14 Application granted granted Critical

2011-09-14 Publication of GB2452934B publication Critical patent/GB2452934B/en

Status Active legal-status Critical Current

2027-09-19 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
- 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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters

Landscapes

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

GB0718275A 2007-09-19 2007-09-19 A tuneable bandpass filter Active GB2452934B (en)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
GB0718275A GB2452934B (en)	2007-09-19	2007-09-19	A tuneable bandpass filter
EP08806241A EP2191533A1 (en)	2007-09-19	2008-09-11	A tuneable bandpass filter
CN200880108005A CN101803108A (en)	2007-09-19	2008-09-11	A tuneable bandpass filter
PCT/GB2008/003082 WO2009037425A1 (en)	2007-09-19	2008-09-11	A tuneable bandpass filter

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB0718275A GB2452934B (en)	2007-09-19	2007-09-19	A tuneable bandpass filter

Publications (3)

Publication Number	Publication Date
GB0718275D0 GB0718275D0 (en)	2007-10-31
GB2452934A GB2452934A (en)	2009-03-25
GB2452934B true GB2452934B (en)	2011-09-14

Family

ID=38670159

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB0718275A Active GB2452934B (en)	2007-09-19	2007-09-19	A tuneable bandpass filter

Country Status (1)

Country	Link
GB (1)	GB2452934B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2355235A1 (en) *	2010-01-29	2011-08-10	Astrium Limited	Apparatus for filtering an input signal
CN110429364B (en) *	2019-08-27	2024-05-24	京信通信技术(广州)有限公司	Filter and filtering loop structure thereof
CN113675562A (en) *	2020-05-14	2021-11-19	大富科技(安徽)股份有限公司	Filter and communication equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2284311A (en) *	1993-11-24	1995-05-31	Filtronic Ltd	Hybrid notch filter
US6046658A (en) *	1998-09-15	2000-04-04	Hughes Electronics Corporation	Microwave filter having cascaded subfilters with preset electrical responses
US6337610B1 (en) *	1999-11-22	2002-01-08	Comsat Corporation	Asymmetric response bandpass filter having resonators with minimum couplings
EP1411582A1 (en) *	2002-07-29	2004-04-21	Alcatel	Canonical general response bandpass microwave filter
DE10304524A1 (en) *	2003-02-04	2004-08-12	Tesat-Spacecom Gmbh & Co.Kg	Band-pass filter topology e.g. for satellite communication transponders, has coupling to first resonator and decoupling from resonator lying opposite this in rectangular structure

2007
- 2007-09-19 GB GB0718275A patent/GB2452934B/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2284311A (en) *	1993-11-24	1995-05-31	Filtronic Ltd	Hybrid notch filter
US6046658A (en) *	1998-09-15	2000-04-04	Hughes Electronics Corporation	Microwave filter having cascaded subfilters with preset electrical responses
US6337610B1 (en) *	1999-11-22	2002-01-08	Comsat Corporation	Asymmetric response bandpass filter having resonators with minimum couplings
EP1411582A1 (en) *	2002-07-29	2004-04-21	Alcatel	Canonical general response bandpass microwave filter
DE10304524A1 (en) *	2003-02-04	2004-08-12	Tesat-Spacecom Gmbh & Co.Kg	Band-pass filter topology e.g. for satellite communication transponders, has coupling to first resonator and decoupling from resonator lying opposite this in rectangular structure

Also Published As

Publication number	Publication date
GB2452934A (en)	2009-03-25
GB0718275D0 (en)	2007-10-31

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