GB2452934B - A tuneable bandpass filter - Google Patents

A tuneable bandpass filter

Info

Publication number
GB2452934B
GB2452934B GB0718275A GB0718275A GB2452934B GB 2452934 B GB2452934 B GB 2452934B GB 0718275 A GB0718275 A GB 0718275A GB 0718275 A GB0718275 A GB 0718275A GB 2452934 B GB2452934 B GB 2452934B
Authority
GB
United Kingdom
Prior art keywords
bandpass filter
tuneable bandpass
tuneable
filter
bandpass
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.)
Active
Application number
GB0718275A
Other versions
GB0718275D0 (en
GB2452934A (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.)
Filing date
Publication date
Application filed by Isotek Electronics Ltd filed Critical Isotek Electronics Ltd
Priority to GB0718275A priority Critical patent/GB2452934B/en
Publication of GB0718275D0 publication Critical patent/GB0718275D0/en
Priority to CN200880108005A priority patent/CN101803108A/en
Priority to PCT/GB2008/003082 priority patent/WO2009037425A1/en
Priority to EP08806241A priority patent/EP2191533A1/en
Publication of GB2452934A publication Critical patent/GB2452934A/en
Application granted granted Critical
Publication of GB2452934B publication Critical patent/GB2452934B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 devices; 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
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
EP08806241A EP2191533A1 (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

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

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