CA973266A - Method for equalizing the characteristic impedance and propagation velocity of a communications cable - Google Patents

Method for equalizing the characteristic impedance and propagation velocity of a communications cable

Info

Publication number
CA973266A
CA973266A CA159,003A CA159003A CA973266A CA 973266 A CA973266 A CA 973266A CA 159003 A CA159003 A CA 159003A CA 973266 A CA973266 A CA 973266A
Authority
CA
Canada
Prior art keywords
equalizing
characteristic impedance
propagation velocity
communications cable
communications
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
Application number
CA159,003A
Other languages
English (en)
Other versions
CA159003S (en
Inventor
William B. Gandrud
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA973266A publication Critical patent/CA973266A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H05K1/0228—Compensation of cross-talk by a mutually correlated lay-out of printed circuit traces, e.g. for compensation of cross-talk in mounted connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/32—Reducing cross-talk, e.g. by compensating
    • 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
    • H05K1/0245—Lay-out of balanced signal pairs, e.g. differential lines or twisted lines
    • 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
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
    • 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
    • H05K2201/09263—Meander
    • 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
    • H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/097—Alternating conductors, e.g. alternating different shaped pads, twisted pairs; Alternating components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/941—Crosstalk suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Insulated Conductors (AREA)
  • Communication Cables (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Structure Of Printed Boards (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA159,003A 1972-06-01 1972-12-15 Method for equalizing the characteristic impedance and propagation velocity of a communications cable Expired CA973266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25853072A 1972-06-01 1972-06-01

Publications (1)

Publication Number Publication Date
CA973266A true CA973266A (en) 1975-08-19

Family

ID=22980965

Family Applications (1)

Application Number Title Priority Date Filing Date
CA159,003A Expired CA973266A (en) 1972-06-01 1972-12-15 Method for equalizing the characteristic impedance and propagation velocity of a communications cable

Country Status (10)

Country Link
US (1) US3761842A (cs)
JP (1) JPS5415626B2 (cs)
BE (1) BE800312A (cs)
CA (1) CA973266A (cs)
ES (1) ES415576A1 (cs)
FI (1) FI59308C (cs)
FR (1) FR2186712B1 (cs)
GB (1) GB1432793A (cs)
NL (1) NL7307397A (cs)
SE (1) SE425709B (cs)

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US4527135A (en) * 1983-06-20 1985-07-02 Woven Electronics Corp. Woven controlled balanced transmission line
JPS63207006A (ja) * 1987-02-24 1988-08-26 日本製線株式会社 通信ケ−ブル
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US4991665A (en) * 1988-12-05 1991-02-12 Buss Systems Incorporated Flexible circuit conductor run
GB2233157B (en) * 1989-06-13 1992-10-21 British Aerospace Printed circuit board
US5186647A (en) 1992-02-24 1993-02-16 At&T Bell Laboratories High frequency electrical connector
US5432484A (en) * 1992-08-20 1995-07-11 Hubbell Incorporated Connector for communication systems with cancelled crosstalk
US5282754A (en) * 1992-09-03 1994-02-01 Northern Telecom Limited Multi-terminal electrical connectors
GB2270422B (en) * 1992-09-04 1996-04-17 Pressac Ltd Method and apparatus for cross talk cancellation
DE69330994T2 (de) * 1992-12-07 2002-07-18 Mod-Tap W Corp., Harvard Elektrische Verbinder
US5295869A (en) * 1992-12-18 1994-03-22 The Siemon Company Electrically balanced connector assembly
US5606151A (en) * 1993-03-17 1997-02-25 Belden Wire & Cable Company Twisted parallel cable
US6222129B1 (en) 1993-03-17 2001-04-24 Belden Wire & Cable Company Twisted pair cable
US5379005A (en) * 1993-07-16 1995-01-03 Tut Systems, Inc. Flat cable to flat parallel wire cable
US5397862A (en) * 1993-08-31 1995-03-14 Motorola, Inc. Horizontally twisted-pair planar conductor line structure
JPH07176336A (ja) * 1993-09-30 1995-07-14 Siemon Co:The ブレーク・テスト機能を含む電気的に拡張された配線ブロック
JP2956451B2 (ja) * 1993-10-25 1999-10-04 住友電装株式会社 フラット回路体の固定方法およびそれに使用されるフラット回路体
US7643018B1 (en) * 1994-01-05 2010-01-05 Avocent Corporation Twisted pair communications line system
US5496191A (en) * 1994-04-15 1996-03-05 The Wiremold Company Cord assembly and method for making
US5587692A (en) * 1994-05-18 1996-12-24 Tut Systems, Inc. Common mode current cancellation in twisted pairs
EP0692884B1 (en) * 1994-07-14 2002-03-20 Molex Incorporated Modular connector with reduced crosstalk
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USD382274S (en) 1995-11-22 1997-08-12 The Siemon Company Gravity feed telecommunications connector
JP2860468B2 (ja) * 1996-05-24 1999-02-24 モレックス インコーポレーテッド 擬似ツイストペア平型柔軟ケーブル
US5805382A (en) * 1996-06-21 1998-09-08 International Business Machines Corporation Integrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reduction
JP3528484B2 (ja) * 1996-12-27 2004-05-17 モレックス インコーポレーテッド 擬似ツイストペア平型柔軟ケーブル
US5944535A (en) * 1997-02-04 1999-08-31 Hubbell Incorporated Interface panel system for networks
US5931703A (en) * 1997-02-04 1999-08-03 Hubbell Incorporated Low crosstalk noise connector for telecommunication systems
US5921786A (en) * 1997-04-03 1999-07-13 Kinetrix, Inc. Flexible shielded laminated beam for electrical contacts and the like and method of contact operation
TW351868B (en) * 1997-05-19 1999-02-01 Deltec Telesystems Internation Guide component for conductor
US5871655A (en) * 1998-03-19 1999-02-16 International Business Machines Corporation Integrated conductor magnetic recording head and suspension having cross-over integrated circuits for noise reduction
CA2321919A1 (en) * 1998-04-16 1999-10-21 Thomas & Betts International, Inc. Crosstalk reducing electrical jack and plug connector
DE19822630C1 (de) * 1998-05-20 2000-09-07 Krone Gmbh Anordnung von Kontaktpaaren zur Kompensation des Nahnebensprechens für eine elektrische Steckverbindung
US6066005A (en) * 1998-06-30 2000-05-23 Berg Technology, Inc. Vertical modular connector having low electrical crosstalk
US6151392A (en) * 1998-10-06 2000-11-21 Siecor Operations, Llc Telecommunications protector panel connector assembly
US6300846B1 (en) 1999-03-18 2001-10-09 Molex Incorporated Flat flexible cable with ground conductors
US6174198B1 (en) * 1999-04-21 2001-01-16 Hon Hai Precision Ind. Co., Ltd. Electrical connector assembly
DE60113254T2 (de) * 2000-06-14 2006-01-19 Rambus Inc., Los Altos Verfahren und vorrichtung zur datenübertragung mit reduzierter störungskopplung
US6396000B1 (en) * 2000-09-11 2002-05-28 Hewlett-Packard Co. Printed circuit board and method for reducing radio frequency interference emissions from conductive traces on a printed circuit board
US6433272B1 (en) * 2000-09-19 2002-08-13 Storage Technology Corporation Crosstalk reduction in constrained wiring assemblies
US6910897B2 (en) 2001-01-12 2005-06-28 Litton Systems, Inc. Interconnection system
US6843657B2 (en) 2001-01-12 2005-01-18 Litton Systems Inc. High speed, high density interconnect system for differential and single-ended transmission applications
US6979202B2 (en) 2001-01-12 2005-12-27 Litton Systems, Inc. High-speed electrical connector
US7397320B1 (en) * 2001-05-16 2008-07-08 Cadence Design Systems, Inc. Non-uniform transmission line for reducing cross-talk from an aggressor transmission line
US20040074668A1 (en) * 2002-10-16 2004-04-22 Steve Somers Cable for minimizing skew delay and crosstalk
US6930888B2 (en) * 2002-11-04 2005-08-16 Intel Corporation Mechanism to cross high-speed differential pairs
CN103124189A (zh) * 2003-07-11 2013-05-29 泛达公司 使用增强接插线的异线（alien）串音抑制
EP1551037A1 (de) * 2004-01-05 2005-07-06 Alcan Technology & Management Ltd. Flexibler Träger mit elektrisch leitfähiger Struktur
US20050180053A1 (en) * 2004-02-18 2005-08-18 Headway Technologies, Inc. Cross talk and EME minimizing suspension design
US7280808B2 (en) * 2004-04-12 2007-10-09 Sony Ericsson Mobile Communications, Ab Wireless communications devices including circuit substrates with partially overlapping conductors thereon coupling power to/from power amplifier systems
US7271985B1 (en) 2004-09-24 2007-09-18 Storage Technology Corporation System and method for crosstalk reduction in a flexible trace interconnect array
US7157644B2 (en) 2004-12-16 2007-01-02 General Cable Technology Corporation Reduced alien crosstalk electrical cable with filler element
US7064277B1 (en) 2004-12-16 2006-06-20 General Cable Technology Corporation Reduced alien crosstalk electrical cable
US7317163B2 (en) 2004-12-16 2008-01-08 General Cable Technology Corp. Reduced alien crosstalk electrical cable with filler element
US7238885B2 (en) 2004-12-16 2007-07-03 Panduit Corp. Reduced alien crosstalk electrical cable with filler element
US7375979B2 (en) * 2005-03-25 2008-05-20 Motorola, Inc. Method and apparatus for routing a differential pair on a printed circuit board
US8553364B1 (en) 2005-09-09 2013-10-08 Magnecomp Corporation Low impedance, high bandwidth disk drive suspension circuit
JP2007149805A (ja) * 2005-11-25 2007-06-14 Funai Electric Co Ltd プリント配線板
DE602006020418D1 (de) * 2006-06-06 2011-04-14 Alcatel Lucent Verringertes Übersprechen in gedruckten Leiterplatten mittels Verdrillung von Leiterbahnen
CN102369636B (zh) * 2009-03-30 2014-04-09 富士通株式会社 差动路径转换部件、印制基板以及电子装置
US20100307798A1 (en) * 2009-06-03 2010-12-09 Izadian Jamal S Unified scalable high speed interconnects technologies
CN102055051B (zh) * 2009-10-30 2015-09-30 清华大学 一种高阻抗传输线
US9240619B2 (en) * 2011-04-28 2016-01-19 Texas Instruments Incorporated Differential transmission line pairs using a coupling orthogonalization approach to reduce cross-talk
US9590339B2 (en) 2013-05-09 2017-03-07 Commscope, Inc. Of North Carolina High data rate connectors and cable assemblies that are suitable for harsh environments and related methods and systems
US9253875B2 (en) * 2013-05-15 2016-02-02 Intel IP Corporation Isolating differential transmission lines
US20150114676A1 (en) * 2013-10-31 2015-04-30 Alstom Technology Ltd. Conductor bar with multi-strand conductor element
US8965159B1 (en) * 2013-11-07 2015-02-24 International Business Machines Corporation Implementing twisted pair waveguide for electronic substrates
JP6123846B2 (ja) * 2015-05-28 2017-05-10 大日本印刷株式会社 サスペンション用フレキシャー基板の製造方法
CN106020547B (zh) * 2016-05-26 2019-11-05 京东方科技集团股份有限公司 一种基板、触摸屏和触摸显示装置
US10122122B2 (en) * 2016-08-30 2018-11-06 Dell Products, Lp Printed circuit board connector with cross-talk mitigation
US10426023B2 (en) * 2017-02-14 2019-09-24 The Regents Of The University Of California Systematic coupling balance scheme to enhance amplitude and phase matching for long-traveling multi-phase signals
JP7459583B2 (ja) * 2020-03-17 2024-04-02 住友電装株式会社 配線部材

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NL25669C (cs) * 1927-03-30
US3104363A (en) * 1960-07-25 1963-09-17 Sanders Associates Inc Strip transmission line crossover having reduced impedance discontinuity

Also Published As

Publication number Publication date
JPS5415626B2 (cs) 1979-06-15
ES415576A1 (es) 1976-02-16
JPS4956188A (cs) 1974-05-31
GB1432793A (en) 1976-04-22
DE2327549B2 (de) 1976-08-19
FR2186712B1 (cs) 1977-04-29
FR2186712A1 (cs) 1974-01-11
BE800312A (fr) 1973-09-17
NL7307397A (cs) 1973-12-04
US3761842A (en) 1973-09-25
DE2327549A1 (de) 1973-12-06
SE425709B (sv) 1982-10-25
FI59308C (fi) 1981-07-10
FI59308B (fi) 1981-03-31

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