Coaxial-to-waveguide transducer with improved matching
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United States of America Patent
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Sep 15, 1992
Grant Date -
N/A
app pub date -
Jun 11, 1991
filing date -
Jun 11, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
An end portion (14a) of a center conductor (14) of a coaxial cable (16) protrudes transversely into a tubular waveguide (10) near an end thereof. A piston (22) having a stepped inner wall (24) closes the end of the waveguide (10). The inner wall (24) is formed with two or more steps (24a,24b,24c) which protrude axially into the waveguide (10) by different distances (L1,L2,L3), reducing the return loss and extending the bandwidth of the coaxial cable-to-waveguide transition.
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