Method to achieve a desired bandwidth at a given frequency in a dielectric resonator filter
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United States of America Patent
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Jun 10, 1986
Grant Date -
N/A
app pub date -
Dec 30, 1983
filing date -
Dec 30, 1983
priority date (Note) -
Expired
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Abstract
There is provided a method and a corresponding apparatus for establishing the proper bandwidth at one frequency in a microwave, dielectric resonator waveguide filter. Bandwidth is determined by the product of the resonant center frequency and the interresonator coupling coefficient. The interresonator coupling coefficient has been found to vary depending upon the interresonator spacing as well as the position at which the resonators intercept the electromagnetic field distributed across the waveguide. This method establishes the proper combination of field-intercepting position and interresonator spacing such that the proper bandwidth is established at one frequency.
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