Coaxial DC block

Details Coaxial DC block Coaxial DC block

2007-02-20

2007-02-20

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Long line elements and components

C333S02400C

Reexamination Certificate

active

10859560

ABSTRACT:
A novel coaxial DC block with circumferential capacitive shielding is presented. The coaxial DC block includes an inner DC block electrically couplable to a first inner conductor of a first length of coaxial cable and electrically couplable to a second inner conductor of a second length of coaxial cable. The inner DC block provides a capacitance which capacitively couples the first inner conductor to the second inner conductor and blocks a first frequency range of interest. The inner DC block is electrically sealed and shielded by a capacitive sleeve that is concentrically arranged to form a Faraday cage around the inner DC block. The capacitive sleeve is electrically couplable to a first outer conductor of the first length of coaxial cable and electrically couplable to a second outer conductor of the second length of coaxial cable. The capacitive sleeve forms a circumferential capacitance that electrically circumferentially couples the first outer conductor to the second outer conductor and blocks a second frequency range of interest.

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http://www.pasternack.com/pdf/catalog/other—products.pdf, Pasternack Enterprises, LLC, “Other Products Catalog 2002”, p. 11.
http://www.inmetcorp.com/lmprddcb.htm#dcblock, Aeroflex/Inmet Inc. (last revised Apr. 14, 2004).

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