CN101803108A - 可调带通滤波器 - Google Patents

可调带通滤波器 Download PDF

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Publication number
CN101803108A
CN101803108A CN200880108005A CN200880108005A CN101803108A CN 101803108 A CN101803108 A CN 101803108A CN 200880108005 A CN200880108005 A CN 200880108005A CN 200880108005 A CN200880108005 A CN 200880108005A CN 101803108 A CN101803108 A CN 101803108A
Authority
CN
China
Prior art keywords
resonator
loop
pass filter
variable band
coupled
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.)
Pending
Application number
CN200880108005A
Other languages
English (en)
Chinese (zh)
Inventor
约翰·戴维·罗兹
克利斯托弗·伊恩·莫布斯
戴维·伊贝森
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
Priority claimed from US11/858,024 external-priority patent/US7915977B2/en
Priority claimed from GB0718275A external-priority patent/GB2452934B/en
Application filed by Isotek Electronics Ltd filed Critical Isotek Electronics Ltd
Publication of CN101803108A publication Critical patent/CN101803108A/zh
Pending legal-status Critical Current

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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

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  • Control Of Motors That Do Not Use Commutators (AREA)
CN200880108005A 2007-09-19 2008-09-11 可调带通滤波器 Pending CN101803108A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11/858,024 2007-09-19
US11/858,024 US7915977B2 (en) 2007-09-19 2007-09-19 Tuneable bandpass filter
GB0718275A GB2452934B (en) 2007-09-19 2007-09-19 A tuneable bandpass filter
GB0718275.1 2007-09-19
PCT/GB2008/003082 WO2009037425A1 (fr) 2007-09-19 2008-09-11 Filtre passe-bande accordable

Publications (1)

Publication Number Publication Date
CN101803108A true CN101803108A (zh) 2010-08-11

Family

ID=40304614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200880108005A Pending CN101803108A (zh) 2007-09-19 2008-09-11 可调带通滤波器

Country Status (3)

Country Link
EP (1) EP2191533A1 (fr)
CN (1) CN101803108A (fr)
WO (1) WO2009037425A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110364790A (zh) * 2019-07-05 2019-10-22 京信通信技术(广州)有限公司 滤波器及其多零点实现模块
CN110783671A (zh) * 2019-11-13 2020-02-11 电子科技大学 一种可重构带通滤波器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN1422465A (zh) * 2000-04-06 2003-06-04 马科尼通讯有限公司 波分复用(wdm)信号监视器
US20040056737A1 (en) * 2002-07-29 2004-03-25 Alcatel Canonical general response bandpass microwave filter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5390741A (en) * 1977-01-21 1978-08-09 Nec Corp Band pass filter
JP3610861B2 (ja) * 2000-01-31 2005-01-19 三菱電機株式会社 低域通過フィルタ
WO2002099969A2 (fr) * 2001-06-05 2002-12-12 Vitesse Semiconductor Corporation Procede de selection d'harmoniques et commande de niveau dans un oscillateur a resistance negative a circuit integre cmos pour realiser une gigue reduite

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN1422465A (zh) * 2000-04-06 2003-06-04 马科尼通讯有限公司 波分复用(wdm)信号监视器
US20040056737A1 (en) * 2002-07-29 2004-03-25 Alcatel Canonical general response bandpass microwave filter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110364790A (zh) * 2019-07-05 2019-10-22 京信通信技术(广州)有限公司 滤波器及其多零点实现模块
WO2021003836A1 (fr) * 2019-07-05 2021-01-14 京信通信技术(广州)有限公司 Filtre et son module de mise en œuvre à points zéro multiples
CN110364790B (zh) * 2019-07-05 2024-08-13 京信通信技术(广州)有限公司 滤波器及其多零点实现模块
CN110783671A (zh) * 2019-11-13 2020-02-11 电子科技大学 一种可重构带通滤波器

Also Published As

Publication number Publication date
EP2191533A1 (fr) 2010-06-02
WO2009037425A1 (fr) 2009-03-26

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20100811