EP0848390B1 - Anordnung von Kontaktpaaren von Doppelleitungen und von Leitungen eines mehradrigen Kabels zur Reduzierung des Übersprechens - Google Patents

Anordnung von Kontaktpaaren von Doppelleitungen und von Leitungen eines mehradrigen Kabels zur Reduzierung des Übersprechens Download PDF

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Publication number
EP0848390B1
EP0848390B1 EP97118902A EP97118902A EP0848390B1 EP 0848390 B1 EP0848390 B1 EP 0848390B1 EP 97118902 A EP97118902 A EP 97118902A EP 97118902 A EP97118902 A EP 97118902A EP 0848390 B1 EP0848390 B1 EP 0848390B1
Authority
EP
European Patent Office
Prior art keywords
lines
conductors
contact
pairs
double
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
EP97118902A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0848390A2 (de
EP0848390A3 (de
Inventor
Michael Dipl.-Ing. Gwiazdowski
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.)
ADC GmbH
Original Assignee
Krone GmbH
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 Krone GmbH filed Critical Krone GmbH
Priority to SI9730486T priority Critical patent/SI0848390T1/xx
Publication of EP0848390A2 publication Critical patent/EP0848390A2/de
Publication of EP0848390A3 publication Critical patent/EP0848390A3/de
Application granted granted Critical
Publication of EP0848390B1 publication Critical patent/EP0848390B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/04—Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk

Definitions

  • the invention relates to an arrangement of contact pairs of double lines and cables of a multicore cable to reduce crosstalk.
  • Another possibility is the arrangement of the contact pairs such that due the field conditions crosstalk is reduced. It was suggested arrange the contact pairs of double lines in such a way that spanned by the contact pairs of a respective double line Surfaces are perpendicular to each other. Becomes certain symmetry conditions due to the field distribution, can be a contact pair on the electrical equipotential surfaces of its adjacent contact pair can be arranged so that the contact pairs electrically and magnetically decoupled are. The contact pairs can be arranged so that cut the areas spanned by the contact pairs. This leads to, that the lines in the connection area to the transmissions interlaced are what causes extra crosstalk. Therefore, be Preferred arrangements in which the spanned surfaces of the contact pairs do not cut.
  • a disadvantage of the known arrangements with it non-cutting surfaces is the large footprint and the changing Connection levels. In principle, similar problems occur due to crosstalk even with multi-core cables.
  • the invention is therefore based on the problem of an arrangement of contact pairs of double cables and cables of a multi-core cable too create that compact and easily accessible with minimal crosstalk are arranged.
  • each with the same distance a is a simplified mechanical connection of the double lines to subsequent ones Cable possible.
  • all of them are all return conductors arranged in one plane.
  • Fig. 1 the field image of a double line 1, 2 with the magnetic field lines H and the electric field lines E is shown.
  • the magnetic crosstalk from the first double line 1, 2 to a second double line 3, 4 is directly proportional to the mutual inductance M of this arrangement.
  • the mutual inductance is due to the integration of the magnetic field strength H of the double line 1, 2 over the surface F 3.4 , which is spanned by the line conductors of the double line 3, 4 to wherein in this scalar vector product of the magnetic field strength H only the component perpendicular to the surface F 3.4 provides a contribution.
  • the area integral represents the magnetic flux passing between the two conductors 3, 4. This is equal to zero, when the two conductors 3, 4 are on a common magnetic field line H.
  • the vectorial electric field E can also be described by the scalar potential, wherein the potential lines are perpendicular to the electric field lines E.
  • the two conductors 3, 4 must be arranged on an equipotential surface of the electrical potential. Since the electric and magnetic field lines E and H are perpendicular to each other, the course of the potential lines is identical to the course of the magnetic field lines H. This in turn means that in situnleitem an arrangement with magnetic decoupling also has an electrical decoupling. Due to the finite extent of the lines, the electric field E is distorted in the vicinity of the line, since the surface represents an equipotential surface. However, these deviations are negligible at larger distances.
  • the magnetic field H of the double line 1, 2 is shown, wherein the contact spacing of the lines 1, 2 a. 2 shows possible arrangements of the second double line 3, 4, in which the contact spacing is also a.
  • the double lines 3, 4 in which the area F 3.4 spanned by the lines 3, 4 is parallel to the surface F 1,2 and the distance of the contact pairs 1, 2 or 3, 4 is the same size, since the double line 3, 4 is located on a magnetic field line H, the two double lines 1, 2 and 3, 4 are both electrically and magnetically decoupled.
  • FIG. 3 shows a contact arrangement for a 4 ⁇ 2 plug.
  • the leads 1, 3, 5, 7 and the return conductors 2 are located, 4, 6, 8 each in a plane, wherein the distance of a return conductor 2, 4, 6 to the adjacent Hinleiter 3, 5, 7 is also a.
  • the resulting Angle ⁇ can be calculated using an invoice with the aid of Fig. 4 as calculate follow:
  • the angle ⁇ can be calculated to:
  • the double lines 5, 6 and 7, 8 are not more exactly on a magnetic field line of the double line 1, 2 so that a Crosstalk is induced. But this crosstalk is due to the large Distance very low.
  • the same principle of FIG. 3 can be a multi-core cable e.g. build as a ribbon cable. where the neighboring Line pairs on an electrical equipotential line of a line pair are arranged.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Communication Cables (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Insulated Conductors (AREA)
  • Multi-Conductor Connections (AREA)
EP97118902A 1996-12-10 1997-10-30 Anordnung von Kontaktpaaren von Doppelleitungen und von Leitungen eines mehradrigen Kabels zur Reduzierung des Übersprechens Expired - Lifetime EP0848390B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9730486T SI0848390T1 (en) 1996-12-10 1997-10-30 Contact-pairs assembly of double lines and of multi-conductor cable-lines for cross-talk reduction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19651196 1996-12-10
DE19651196A DE19651196C2 (de) 1996-12-10 1996-12-10 Anordnung von Kontaktpaaren von elektrischen Steckverbindern oder Doppelleitungen und von Leitungen eines mehradrigen Kabels zur Reduzierung des Übersprechens

Publications (3)

Publication Number Publication Date
EP0848390A2 EP0848390A2 (de) 1998-06-17
EP0848390A3 EP0848390A3 (de) 1999-01-27
EP0848390B1 true EP0848390B1 (de) 2003-01-15

Family

ID=7814176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97118902A Expired - Lifetime EP0848390B1 (de) 1996-12-10 1997-10-30 Anordnung von Kontaktpaaren von Doppelleitungen und von Leitungen eines mehradrigen Kabels zur Reduzierung des Übersprechens

Country Status (28)

Country Link
US (1) US6013874A (ko)
EP (1) EP0848390B1 (ko)
JP (1) JPH10223065A (ko)
KR (1) KR19980063984A (ko)
CN (1) CN1185630A (ko)
AR (1) AR009654A1 (ko)
AT (1) ATE231278T1 (ko)
AU (1) AU741392B2 (ko)
BG (1) BG102088A (ko)
BR (1) BR9705512B1 (ko)
CA (1) CA2222635C (ko)
CZ (1) CZ291676B6 (ko)
DE (2) DE19651196C2 (ko)
DK (1) DK0848390T3 (ko)
ES (1) ES2189914T3 (ko)
HU (1) HUP9701950A3 (ko)
ID (1) ID18502A (ko)
IL (1) IL122076A (ko)
NO (1) NO975510L (ko)
NZ (1) NZ329088A (ko)
PL (1) PL184979B1 (ko)
PT (1) PT848390E (ko)
SG (1) SG64457A1 (ko)
SI (1) SI0848390T1 (ko)
SK (1) SK162697A3 (ko)
TR (1) TR199701586A2 (ko)
TW (1) TW353182B (ko)
ZA (1) ZA9711019B (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6433272B1 (en) * 2000-09-19 2002-08-13 Storage Technology Corporation Crosstalk reduction in constrained wiring assemblies
US6974906B2 (en) * 2003-05-14 2005-12-13 Wing Yat Lo low interferance cable
EP2259441A3 (en) 2003-07-11 2013-05-01 Panduit Corporation Alien Crosstalk suppression with enhanced patch cord.
US8354590B2 (en) * 2008-11-10 2013-01-15 Panduit Corp. Communication cable with improved crosstalk attenuation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1761565A (en) * 1928-05-22 1930-06-03 Western Electric Co Cable
US1781124A (en) * 1929-05-23 1930-11-11 American Telephone & Telegraph Concentric conducting system
US2008109A (en) * 1930-05-16 1935-07-16 Siemens Ag Heavy current conductor system, more particularly for rushes of heavy currents
US2034034A (en) * 1933-06-07 1936-03-17 American Telephone & Telegraph Circuits with noncircular shields
US2119853A (en) * 1935-10-30 1938-06-07 Bell Telephone Labor Inc Electric wave transmission system
US2086629A (en) * 1936-04-14 1937-07-13 Bell Telephone Labor Inc Shielded cable system

Also Published As

Publication number Publication date
PT848390E (pt) 2003-04-30
PL184979B1 (pl) 2003-01-31
BR9705512B1 (pt) 2009-08-11
HU9701950D0 (en) 1998-01-28
CZ291676B6 (cs) 2003-04-16
JPH10223065A (ja) 1998-08-21
CN1185630A (zh) 1998-06-24
NZ329088A (en) 1998-09-24
SI0848390T1 (en) 2003-06-30
IL122076A0 (en) 1998-03-10
HUP9701950A2 (hu) 1998-08-28
BG102088A (en) 1998-07-31
NO975510L (no) 1998-06-11
TR199701586A3 (tr) 1998-06-22
BR9705512A (pt) 1999-09-21
TW353182B (en) 1999-02-21
DE19651196A1 (de) 1998-06-25
NO975510D0 (no) 1997-12-01
HUP9701950A3 (en) 1999-05-28
SG64457A1 (en) 1999-04-27
DE19651196C2 (de) 1998-10-08
KR19980063984A (ko) 1998-10-07
AU4432897A (en) 1998-06-11
CZ380497A3 (cs) 1998-07-15
ES2189914T3 (es) 2003-07-16
EP0848390A2 (de) 1998-06-17
PL323294A1 (en) 1998-06-22
TR199701586A2 (xx) 1998-06-22
AU741392B2 (en) 2001-11-29
CA2222635C (en) 2002-08-20
ID18502A (id) 1998-04-16
CA2222635A1 (en) 1998-06-10
DK0848390T3 (da) 2003-03-24
IL122076A (en) 2000-09-28
DE59709147D1 (de) 2003-02-20
US6013874A (en) 2000-01-11
ATE231278T1 (de) 2003-02-15
AR009654A1 (es) 2000-04-26
MX9709795A (es) 1998-10-31
EP0848390A3 (de) 1999-01-27
ZA9711019B (en) 1999-06-09
SK162697A3 (en) 1999-02-11

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