EP0670610A2 - Coupe d'un câble coaxial - Google Patents

Coupe d'un câble coaxial Download PDF

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Publication number
EP0670610A2
EP0670610A2 EP95102524A EP95102524A EP0670610A2 EP 0670610 A2 EP0670610 A2 EP 0670610A2 EP 95102524 A EP95102524 A EP 95102524A EP 95102524 A EP95102524 A EP 95102524A EP 0670610 A2 EP0670610 A2 EP 0670610A2
Authority
EP
European Patent Office
Prior art keywords
coaxial cable
outer conductor
cable
conductor
dielectric
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.)
Withdrawn
Application number
EP95102524A
Other languages
German (de)
English (en)
Other versions
EP0670610A3 (fr
Inventor
Ken Richards
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.)
WL Gore and Associates GmbH
Original Assignee
WL Gore and Associates 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 WL Gore and Associates GmbH filed Critical WL Gore and Associates GmbH
Publication of EP0670610A2 publication Critical patent/EP0670610A2/fr
Publication of EP0670610A3 publication Critical patent/EP0670610A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables

Definitions

  • the invention relates to a coaxial cable blank, as is required in the assembly of coaxial cables provided with connectors, a method for its manufacture and the use of a coaxial cable blank in the manufacture of a coaxial cable assembly.
  • the invention relates in particular to a coaxial cable blank according to the preamble of claim 1, a method for its production according to the preamble of claim 3 and a use of a coaxial cable blank according to the preamble of claim 4.
  • coaxial cable of a certain characteristic impedance for example 50 ohms
  • standardized coaxial cable goods are available with an impedance of, for example, 50 ohms, the outside diameter of which is standardized, so that it is possible to produce matching plug-in devices in large quantities at low cost.
  • the usual standardization of the diameter of coaxial cable goods is based on certain common materials as dielectrics, in particular polyethylene and compact polytetrafluoroethylene.
  • dielectrics in particular polyethylene and compact polytetrafluoroethylene.
  • stretched polytetrafluoroethylene for the dielectric.
  • a connector device for coaxial cables which is suitable for coaxial cable goods with predetermined diameters of the inner conductor, the outer conductor and the jacket.
  • the structure and dimensions of common coaxial cable goods are in the "Taschenbuch der Hochfrequenztechnik" by Meinke and Grundlach, the fourth edition published by K. Lange and K.-H. Löcherer, Springer-Verlag, Berlin, 1986, on pages K4-K7. According to this, the majority of the coaxial cable goods available on the market comply with national or international standards.
  • Line impedance 50 ⁇ and 75 ⁇ , for the diameter of flexible cables, for example, 0.87 mm, 1.5 mm, 2.95 mm, 3.7 mm, 4.8 mm, 7.25 mm, 11 , 5 mm and 17.3 mm.
  • the object of the invention is to make available a coaxial cable cut from, for example, a dielectric with a reduced relative dielectric constant ⁇ r , coaxial cable material with a reduced outer conductor diameter compared to corresponding standard material, which is nevertheless suitable for connection to a standard coaxial connector.
  • the object is achieved according to the invention by a cable cut according to claim 1.
  • the object is achieved according to the invention by methods for producing a cable blank according to claim 3.
  • the object is achieved according to the invention by using a cable blank according to claim 4.
  • Fig. 1 shows a preferred embodiment of a coaxial cable 1 according to the invention for connection to a coaxial connector (not shown) with a proximal (proximal) end 2 relative to the connector and a distal (distal) end 3 relative to the connector.
  • the coaxial cable 1 has a continuous inner conductor 4, which is cylindrically surrounded by a dielectric 5 and an outer conductor 6.
  • the coaxial cable 1 has an insulating jacket 7 which surrounds the outer conductor in a cylindrical manner.
  • the coaxial cable 1 comprises an electrically conductive adapter sleeve 8 with a proximal part 9 and a distal part 10.
  • the electrically conductive adapter sleeve 8 cylindrically surrounds the outer conductor in the proximal part 9 and is electrically connected to it.
  • the inner diameter of the adapter sleeve 8 is widened by the thickness of the insulating jacket 7, so that here the adapter sleeve does not sit directly on the outer conductor 6, but on the insulating jacket 7.
  • the inner conductor 4 of the coaxial cable 1 is usually a copper wire plated with silver; however, other conductor arrangements that are suitable as inner conductors for a coaxial cable can also be used.
  • the dielectric 5 consists of expanded (stretched) polytetrafluoroethylene.
  • the outer conductor 6 consists of an electrically conductive metal braid or an electrically conductive metal foil; In a preferred embodiment, the outer conductor 6 consists of an inner part made of a silver-plated copper foil and a tinned copper braid as the outer part.
  • the adapter sleeve 8 is preferably made of copper.
  • Fig. 2 shows schematically the structure of the continuous part of the coaxial cable blank 1 according to Fig. 1 apart from the adapter sleeve 8 attached to the proximal end 2 with the inner conductor 4, the dielectric 5, the inner part 6a of the outer conductor 6, the outer part 6b of the outer conductor 6 and the insulating jacket 7.
  • a denotes the diameter of the inner conductor 4, b the outer diameter of the dielectric 5, c the outer diameter of the outer conductor 6 and d the outer diameter of the insulating jacket 7.
  • Tables 2A and 2B show different dimensions for common embodiments of the coaxial cable blank according to the invention.
  • FEP fluoroethylene propylene
  • the invention is not limited to the dimensions shown in Tables 2A and 2B; the data contained therein only reflect parameters of preferred embodiments.
  • Table 3A Parameter value unit Impedance 50 ohm capacity 86 pF / m damping 400 MHz 0.12 dB / M 1,000 MHz 0.21 1,500 MHz 0.25 2,000 MHz 0.30 VSWR (up to 7 GHz) ⁇ 1.25: 1 Parameter value unit Impedance 50 ohm capacity 86 pF / m damping 400 MHz 0.24 dB / M 1,000 MHz 0.36 1,500 MHz 0.46 2,000 MHz 0.52 VSWR (up to 7 GHz) ⁇ 1.25: 1
  • FIGS. 3A to 3E show successive steps in a method for producing a coaxial cable 1 according to the invention.
  • a semi-finished coaxial cable blank is stripped to a predetermined length, so that in the stripped area which is separated from the insulating jacket 7 has been freed, the outer part 6b of the outer conductor is exposed.
  • the outer conductor is tin-plated by immersing it in an immersion bath.
  • the adapter sleeve 8 is pushed on.
  • the inner conductor 4 is exposed over a predetermined length.
  • the coaxial cable equipped according to the invention with an adapter sleeve 8 is connected to a coaxial connector component 11.
  • the machines known for the termination of so-called “semi-rigid” cables, the so-called “stripping kits” can be used, which simply carry out the outer conductor executed in semi-rigid technology, the shield and the Cut through the dielectric without damaging the inner conductor.
  • the inner conductor is then placed in the standard plug and soldered, screwed or connected in some other way.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Communication Cables (AREA)
EP95102524A 1994-03-01 1995-02-22 Coupe d'un câble coaxial. Withdrawn EP0670610A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4406673 1994-03-01
DE19944406673 DE4406673A1 (de) 1994-03-01 1994-03-01 Koaxialkabelzuschnitt

Publications (2)

Publication Number Publication Date
EP0670610A2 true EP0670610A2 (fr) 1995-09-06
EP0670610A3 EP0670610A3 (fr) 1997-07-16

Family

ID=6511524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102524A Withdrawn EP0670610A3 (fr) 1994-03-01 1995-02-22 Coupe d'un câble coaxial.

Country Status (2)

Country Link
EP (1) EP0670610A3 (fr)
DE (1) DE4406673A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1156467B (de) * 1960-03-09 1963-10-31 Amp Inc Abschlussklemme fuer metallumflochtene abgeschirmte Kabel
GB930096A (en) * 1960-12-01 1963-07-03 Kay & Co Eng Ltd Improvements in couplings and junctions for co-axial and like electric cables
GB1038360A (en) * 1963-11-21 1966-08-10 Amp Inc Coaxial electrical connector
GB1159027A (en) * 1965-09-29 1969-07-23 Communications Patents Ltd Electric Cable Connections.
IT7820426A0 (it) * 1978-02-21 1978-02-21 Sits Soc It Telecom Siemens Procedimento per la predisposizione di un cavo coazziale a basso livello di diafonia all'attestatura ad un connettorecoassiale.
DE3108970C2 (de) * 1981-03-10 1984-08-30 ANT Nachrichtentechnik GmbH, 7150 Backnang Einrichtung zum elektrischen und mechanischen Verbinden des Außenleiters eines Koaxialkabels mit dem Außenleiter eines Koaxialsteckers
US5120260A (en) * 1983-08-22 1992-06-09 Kings Electronics Co., Inc. Connector for semi-rigid coaxial cable
AU1461788A (en) * 1987-10-23 1989-04-27 W.L. Gore & Associates, Inc. Ferrule and method for terminating a flexible coaxial cable
JPH0810933Y2 (ja) * 1990-01-16 1996-03-29 日本電気株式会社 同軸型コネクタ
GB9203289D0 (en) * 1992-02-17 1992-04-01 Raychem Sa Nv Coaxial cable termination arrangement

Also Published As

Publication number Publication date
DE4406673A1 (de) 1995-09-14
EP0670610A3 (fr) 1997-07-16

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