Microwave filter
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United States of America Patent
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-
Feb 3, 1987
Grant Date -
N/A
app pub date -
Nov 25, 1985
filing date -
Nov 28, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A microwave bandpass filter having a wide bandwidth, low loss, and yet which requires only a relatively small circuit area. A generally annularly shaped unit-wavelength resonator is formed on a dielectric substrate, disposed between input and output matching circuits. The unit-wavelength resonator is formed by a pair of semi-annular strips disposed opposite one another and having opposing stubs defining therebetween a gap of predetermined width.
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