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Local area network coaxial cable connection device

  • US 4,902,989 A
  • Filed: 04/03/1989
  • Issued: 02/20/1990
  • Est. Priority Date: 05/09/1987
  • Status: Expired due to Fees
First Claim
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1. Device for connection of a transmitter/receiver (9) to a coaxial cable (1) serving as a serial bus in a local area network, comprising:

  • an inductance (2), in the form of a printed-circuit pass-through filter inductance having two single-loop windings (17,

         18), interposed in the center conductor of said coaxial cable (1), said inductance having a central tap (3); and

    a further coaxial cable (7) interconnecting said central tap (3) and said transmitter/receiver (9), and wherein said further coaxial cable (7) has, at most, a length which gives rise to a capacitance 8 pF greater than the capacitance which, together with said inductance (2), defines the characteristic impedance of said coaxial cable forming said serial bus.

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