DE69800360D1 - Ferrit-EMI-Filter zur Montage auf einer Leiterplatte - Google Patents

Ferrit-EMI-Filter zur Montage auf einer Leiterplatte

Info

Publication number
DE69800360D1
DE69800360D1 DE69800360T DE69800360T DE69800360D1 DE 69800360 D1 DE69800360 D1 DE 69800360D1 DE 69800360 T DE69800360 T DE 69800360T DE 69800360 T DE69800360 T DE 69800360T DE 69800360 D1 DE69800360 D1 DE 69800360D1
Authority
DE
Germany
Prior art keywords
mounting
circuit board
emi filter
ferrite emi
ferrite
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.)
Expired - Lifetime
Application number
DE69800360T
Other languages
English (en)
Other versions
DE69800360T2 (de
Inventor
Galen L Carter
Woong K Yoon
David A Norte
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE69800360D1 publication Critical patent/DE69800360D1/de
Publication of DE69800360T2 publication Critical patent/DE69800360T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/023—Reduction of cross-talk, noise or electromagnetic interference using auxiliary mounted passive components or auxiliary substances
    • H05K1/0233—Filters, inductors or a magnetic substance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0237—High frequency adaptations
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/08—Magnetic details
    • H05K2201/083—Magnetic materials
    • H05K2201/086—Magnetic materials for inductive purposes, e.g. printed inductor with ferrite core
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09218—Conductive traces
    • H05K2201/09236—Parallel layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09218—Conductive traces
    • H05K2201/09245—Crossing layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/222—Completing of printed circuits by adding non-printed jumper connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Filters And Equalizers (AREA)
DE69800360T 1997-02-05 1998-01-27 Ferrit-EMI-Filter zur Montage auf einer Leiterplatte Expired - Lifetime DE69800360T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/795,431 US5801597A (en) 1997-02-05 1997-02-05 Printed-circuit board-mountable ferrite EMI filter

Publications (2)

Publication Number Publication Date
DE69800360D1 true DE69800360D1 (de) 2000-11-30
DE69800360T2 DE69800360T2 (de) 2001-03-01

Family

ID=25165498

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69800360T Expired - Lifetime DE69800360T2 (de) 1997-02-05 1998-01-27 Ferrit-EMI-Filter zur Montage auf einer Leiterplatte

Country Status (4)

Country Link
US (2) US5801597A (de)
EP (2) EP0924969B1 (de)
JP (1) JP3634135B2 (de)
DE (1) DE69800360T2 (de)

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US7336468B2 (en) 1997-04-08 2008-02-26 X2Y Attenuators, Llc Arrangement for energy conditioning
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WO2002025677A2 (en) * 2000-09-20 2002-03-28 Ascom Energy Systems Ag, Berne Planar inductive element
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US6603080B2 (en) * 2001-09-27 2003-08-05 Andrew Corporation Circuit board having ferrite powder containing layer
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US6933805B1 (en) 2003-08-06 2005-08-23 Avaya Technology Corp. High density capacitor filter bank with embedded faraday cage
US6997747B1 (en) 2003-11-13 2006-02-14 Avaya Technology Corp. Shield for high frequency telecommunications connector
US7372373B2 (en) * 2004-08-27 2008-05-13 Itron, Inc. Embedded antenna and filter apparatus and methodology
WO2006078760A1 (en) * 2005-01-19 2006-07-27 Panduit Corp. Communication channels with suppression cores
GB2439862A (en) 2005-03-01 2008-01-09 X2Y Attenuators Llc Conditioner with coplanar conductors
US7755457B2 (en) 2006-02-07 2010-07-13 Harris Corporation Stacked stripline circuits
US8077480B2 (en) * 2008-11-26 2011-12-13 Rosemount Aerospace Inc. Faraday cage for camera
US8692639B2 (en) 2009-08-25 2014-04-08 Access Business Group International Llc Flux concentrator and method of making a magnetic flux concentrator
KR101101490B1 (ko) * 2009-11-24 2012-01-03 삼성전기주식회사 차폐 기능을 갖는 무선 장치
FR2986121B1 (fr) * 2012-01-24 2015-04-10 Valeo Systemes Dessuyage Filtre attenuateur/eliminateur de bande des inductions electromagnetiques pour moteur a courant continu a balais
US9655232B2 (en) 2013-11-05 2017-05-16 Cisco Technology, Inc. Spanning tree protocol (STP) optimization techniques
US9872626B2 (en) * 2014-11-07 2018-01-23 Welch Allyn, Inc. Printed circuit board assembly with ferrite for medical device
CN107093992B (zh) * 2017-05-23 2023-08-29 深圳振华富电子有限公司 滤波器
US10285259B2 (en) 2017-06-23 2019-05-07 Western Digital Technologies, Inc. Solenoid filter built into a printed circuit board
CN108768159B (zh) * 2018-07-19 2024-05-31 深圳振华富电子有限公司 双路输出直流电源emi滤波器
CN109559868A (zh) * 2018-11-30 2019-04-02 北京航天微电科技有限公司 一种高功率平板emi滤波器
WO2020170341A1 (ja) * 2019-02-19 2020-08-27 株式会社Ｆｕｊｉ 基準マーク特定装置、基準マーク特定方法
US11160162B1 (en) 2020-06-29 2021-10-26 Western Digital Technologies, Inc. Via-less patterned ground structure common-mode filter
US11659650B2 (en) 2020-12-18 2023-05-23 Western Digital Technologies, Inc. Dual-spiral common-mode filter
KR20230089156A (ko) 2021-12-13 2023-06-20 삼성전기주식회사 브리지를 포함하는 기판 및 전자 장치

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Also Published As

Publication number Publication date
EP0858251B1 (de) 2000-10-25
US5914644A (en) 1999-06-22
US5801597A (en) 1998-09-01
EP0924969A3 (de) 2007-02-21
JP3634135B2 (ja) 2005-03-30
DE69800360T2 (de) 2001-03-01
JPH10261889A (ja) 1998-09-29
EP0858251A1 (de) 1998-08-12
EP0924969B1 (de) 2012-05-09
EP0924969A2 (de) 1999-06-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition