FR3077432B1 - Filtre de mode commun - Google Patents

Filtre de mode commun Download PDF

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Publication number
FR3077432B1
FR3077432B1 FR1850707A FR1850707A FR3077432B1 FR 3077432 B1 FR3077432 B1 FR 3077432B1 FR 1850707 A FR1850707 A FR 1850707A FR 1850707 A FR1850707 A FR 1850707A FR 3077432 B1 FR3077432 B1 FR 3077432B1
Authority
FR
France
Prior art keywords
common mode
mode filter
electrically
series
circuit
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
FR1850707A
Other languages
English (en)
Other versions
FR3077432A1 (fr
Inventor
Joel Concord
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.)
STMicroelectronics Tours SAS
Original Assignee
STMicroelectronics Tours SAS
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 STMicroelectronics Tours SAS filed Critical STMicroelectronics Tours SAS
Priority to FR1850707A priority Critical patent/FR3077432B1/fr
Priority to CN201910069217.0A priority patent/CN110098817B/zh
Priority to CN201920123123.2U priority patent/CN210986056U/zh
Priority to US16/258,883 priority patent/US11025219B2/en
Publication of FR3077432A1 publication Critical patent/FR3077432A1/fr
Application granted granted Critical
Publication of FR3077432B1 publication Critical patent/FR3077432B1/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
    • H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
    • H03H7/425—Balance-balance networks
    • H03H7/427—Common-mode 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
    • H01P1/2007—Filtering devices for biasing networks or DC returns
    • 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
    • H01P1/20354—Non-comb or non-interdigital filters
    • H01P1/20381—Special shape resonators
    • 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
    • H01P1/2039—Galvanic coupling between Input/Output
    • 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
    • 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
    • H03H7/09—Filters comprising mutual inductance
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
    • H03H1/0007—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network of radio frequency interference filters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)

Abstract

La présente description concerne un circuit (2) comportant au moins deux filtres de mode commun (4, 5) électriquement en série et magnétiquement couplés.
FR1850707A 2018-01-29 2018-01-29 Filtre de mode commun Active FR3077432B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1850707A FR3077432B1 (fr) 2018-01-29 2018-01-29 Filtre de mode commun
CN201910069217.0A CN110098817B (zh) 2018-01-29 2019-01-24 共模滤波器
CN201920123123.2U CN210986056U (zh) 2018-01-29 2019-01-24 滤波电路和共模滤波器
US16/258,883 US11025219B2 (en) 2018-01-29 2019-01-28 Common-mode filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1850707 2018-01-29
FR1850707A FR3077432B1 (fr) 2018-01-29 2018-01-29 Filtre de mode commun

Publications (2)

Publication Number Publication Date
FR3077432A1 FR3077432A1 (fr) 2019-08-02
FR3077432B1 true FR3077432B1 (fr) 2021-07-02

Family

ID=62167496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1850707A Active FR3077432B1 (fr) 2018-01-29 2018-01-29 Filtre de mode commun

Country Status (3)

Country Link
US (1) US11025219B2 (fr)
CN (2) CN110098817B (fr)
FR (1) FR3077432B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3077432B1 (fr) * 2018-01-29 2021-07-02 St Microelectronics Tours Sas Filtre de mode commun

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7589605B2 (en) * 2006-02-15 2009-09-15 Massachusetts Institute Of Technology Method and apparatus to provide compensation for parasitic inductance of multiple capacitors
FR2901929B1 (fr) * 2006-05-31 2008-08-15 St Microelectronics Sa Dephaseur integre de signaux differentiels en signaux en quadrature
FR2945154B1 (fr) * 2009-04-30 2011-07-22 St Microelectronics Tours Sas Filtre de mode commun a inductances couplees
EP2249431A1 (fr) * 2009-04-30 2010-11-10 STMicroelectronics (Tours) SAS Filtre de mode commun
WO2011090082A1 (fr) * 2010-01-19 2011-07-28 株式会社村田製作所 Transformateur à haut niveau de couplage, circuit électronique et dispositif électronique
WO2011090048A1 (fr) * 2010-01-19 2011-07-28 株式会社村田製作所 Circuit de stabilisation de fréquence, dispositif de stabilisation de fréquence, dispositif d'antenne, terminal de communication et élément de transformation d'impédance
WO2011114859A1 (fr) * 2010-03-18 2011-09-22 エルメック株式会社 Inductance pour filtre en mode commun et filtre en mode commun
JP2012195332A (ja) * 2011-03-15 2012-10-11 Panasonic Corp コモンモードノイズフィルタ
JP5488566B2 (ja) * 2011-10-28 2014-05-14 Ｔｄｋ株式会社 コモンモードフィルタ
US9373438B1 (en) * 2011-11-22 2016-06-21 Volterra Semiconductor LLC Coupled inductor arrays and associated methods
CN102647166A (zh) * 2012-04-18 2012-08-22 南京航空航天大学 一种构成平面emi滤波器的感容模块
EP2911296B1 (fr) * 2012-10-19 2018-05-16 Murata Manufacturing Co., Ltd. Filtre de mode commun
JP6024418B2 (ja) 2012-11-28 2016-11-16 Tdk株式会社 コモンモードフィルタ
US9673134B2 (en) * 2013-12-11 2017-06-06 Semiconductor Components Industries, Llc Semiconductor component and method of manufacture
CN103986437B (zh) * 2014-05-08 2017-06-13 南京航空航天大学 双接地平面emi滤波器
CN204425289U (zh) * 2014-11-05 2015-06-24 松下知识产权经营株式会社 共模噪声滤波器
JP6555682B2 (ja) * 2015-02-04 2019-08-07 国立大学法人信州大学 コモンモードフィルタ
CN204558189U (zh) * 2015-03-12 2015-08-12 富士康(昆山)电脑接插件有限公司 共模滤波器
US9899985B2 (en) * 2015-03-18 2018-02-20 Samsung Electro-Mechanics Co., Ltd. Common mode filter
FR3077432B1 (fr) * 2018-01-29 2021-07-02 St Microelectronics Tours Sas Filtre de mode commun

Also Published As

Publication number Publication date
US11025219B2 (en) 2021-06-01
US20190238110A1 (en) 2019-08-01
FR3077432A1 (fr) 2019-08-02
CN210986056U (zh) 2020-07-10
CN110098817B (zh) 2024-05-28
CN110098817A (zh) 2019-08-06

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