Transverse-electric mode filters and methods
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United States of America Patent
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Sep 12, 2000
Grant Date -
N/A
app pub date -
Apr 28, 1998
filing date -
Apr 28, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transverse-electric waveguide filter is provided for transmitting a fundamental transverse-electric mode in a first frequency band while attenuating an associated higher-order transverse-electric mode in a second frequency band. The filter includes transverse corrugations between input and output waveguide ports to attenuate the higher-order transverse-electric mode. The input and output waveguide ports have a characteristic impedance and the filter also incudes a ridge system that is coupled between the first and second waveguide ports and is configured to provide a signal-path impedance that substantially matches the characteristic impedance to thereby support transmission of the fundamental transverse-electric mode from the input port to the output port.
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