FR2970129B1 - Filtre variable par condensateur commute au moyen de composants mems - Google Patents

Filtre variable par condensateur commute au moyen de composants mems

Info

Publication number
FR2970129B1
FR2970129B1 FR1005182A FR1005182A FR2970129B1 FR 2970129 B1 FR2970129 B1 FR 2970129B1 FR 1005182 A FR1005182 A FR 1005182A FR 1005182 A FR1005182 A FR 1005182A FR 2970129 B1 FR2970129 B1 FR 2970129B1
Authority
FR
France
Prior art keywords
variable filter
mems components
capacitor variable
filter switched
switched
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
FR1005182A
Other languages
English (en)
Other versions
FR2970129A1 (fr
Inventor
Michel Giraudo
Marie Pierre Dussauby
Gilles Neveu
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Priority to FR1005182A priority Critical patent/FR2970129B1/fr
Priority to US13/977,492 priority patent/US9300269B2/en
Priority to EP11811346.3A priority patent/EP2659544A1/fr
Priority to PCT/EP2011/073813 priority patent/WO2012089619A1/fr
Publication of FR2970129A1 publication Critical patent/FR2970129A1/fr
Application granted granted Critical
Publication of FR2970129B1 publication Critical patent/FR2970129B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H03H7/0138—Electrical filters or coupling circuits
    • 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
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20336—Comb or interdigital 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
    • 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
    • H03H7/0123—Frequency selective two-port networks comprising distributed impedance elements together with lumped impedance elements
    • 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
    • H03H7/0153—Electrical filters; Controlling thereof
    • 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
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1766—Parallel LC in series path
    • 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
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
    • 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
    • H03H7/38—Impedance-matching networks
    • 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
    • H03H2007/006—MEMS
    • H03H2007/008—MEMS the MEMS being trimmable
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/02—Variable filter component
    • H03H2210/025—Capacitor

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Filters And Equalizers (AREA)
FR1005182A 2010-12-30 2010-12-30 Filtre variable par condensateur commute au moyen de composants mems Active FR2970129B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1005182A FR2970129B1 (fr) 2010-12-30 2010-12-30 Filtre variable par condensateur commute au moyen de composants mems
US13/977,492 US9300269B2 (en) 2010-12-30 2011-12-22 Filter that is variable by means of a capacitor that is switched using MEMS components
EP11811346.3A EP2659544A1 (fr) 2010-12-30 2011-12-22 Filtre variable par condensateur commute au moyen de composants mems
PCT/EP2011/073813 WO2012089619A1 (fr) 2010-12-30 2011-12-22 Filtre variable par condensateur commute au moyen de composants mems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1005182A FR2970129B1 (fr) 2010-12-30 2010-12-30 Filtre variable par condensateur commute au moyen de composants mems

Publications (2)

Publication Number Publication Date
FR2970129A1 FR2970129A1 (fr) 2012-07-06
FR2970129B1 true FR2970129B1 (fr) 2013-01-18

Family

ID=45524489

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1005182A Active FR2970129B1 (fr) 2010-12-30 2010-12-30 Filtre variable par condensateur commute au moyen de composants mems

Country Status (4)

Country Link
US (1) US9300269B2 (fr)
EP (1) EP2659544A1 (fr)
FR (1) FR2970129B1 (fr)
WO (1) WO2012089619A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105762466B (zh) * 2016-04-08 2019-01-18 华南理工大学 一种具有两个可电调通带的三频带通滤波器
WO2018132314A1 (fr) * 2017-01-10 2018-07-19 Wispry, Inc. Systèmes, dispositifs et procédés de filtre accordable
US11862835B2 (en) * 2020-08-13 2024-01-02 Cyntec Co., Ltd. Dielectric filter with multilayer resonator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485131A (en) * 1994-10-13 1996-01-16 Motorola, Inc. Transmission line filter for MIC and MMIC applications
KR100351331B1 (ko) * 2000-03-31 2002-09-05 미션텔레콤 주식회사 인터디지탈 측면 커플링을 갖는 마이크로스트립 링대역통과 여파기 및 그 제조방법
US6690251B2 (en) * 2001-04-11 2004-02-10 Kyocera Wireless Corporation Tunable ferro-electric filter
JP3778075B2 (ja) * 2001-12-12 2006-05-24 ソニー株式会社 フィルタ回路
US7236068B2 (en) * 2002-01-17 2007-06-26 Paratek Microwave, Inc. Electronically tunable combine filter with asymmetric response
US7385465B2 (en) * 2005-12-19 2008-06-10 Industrial Technology Research Institute Switchable dual-band filter
JP2008182340A (ja) * 2007-01-23 2008-08-07 Ngk Spark Plug Co Ltd ダイプレクサ及びそれを用いたマルチプレクサ
EP3346611B1 (fr) * 2008-02-28 2021-09-22 pSemi Corporation Procédé et appareil destinés au réglage numérique d'un condensateur dans un dispositif à circuit intégré
US8849213B2 (en) * 2009-01-21 2014-09-30 Bandspeed, Inc. Integrated circuit for signal analysis
US8363380B2 (en) * 2009-05-28 2013-01-29 Qualcomm Incorporated MEMS varactors

Also Published As

Publication number Publication date
FR2970129A1 (fr) 2012-07-06
WO2012089619A1 (fr) 2012-07-05
EP2659544A1 (fr) 2013-11-06
US9300269B2 (en) 2016-03-29
US20140176263A1 (en) 2014-06-26

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