Matching for ring hybrid
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United States of America Patent
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N/A
Issued Date -
May 25, 2006
app pub date -
Nov 23, 2004
filing date -
Nov 23, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A ring hybrid circuit achieves broadband matching in a compact, small footprint configuration which allows all matching structures to be printed on the same surface layer as the ring hybrid. The circuit includes a power dividing ring of circular configuration and having an inner diameter. A plurality of transmission lines are coupled to the ring at ports. Each of the ports has a notch in the inner diameter of the ring opposite the transmission line at the port for providing reactance compensation. The ring is provided with four ports, with each of the ports having a notch in the inner diameter of the ring opposite an associated one of the plurality of transmission lines. The ring may be constructed of a 50 ohm line, and each of the transmission lines may include a 42 ohm quarter-wave matching section extending out from the port thereof and terminating in a 50 ohm line.
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