90 Degree broadband MMIC hybrid
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United States of America Patent
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Jan 9, 1990
Grant Date -
N/A
app pub date -
Dec 5, 1988
filing date -
Dec 5, 1988
priority date (Note) -
Expired
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Abstract
A 90 degree hybrid is contemplated having three parallel signal paths, one of the signal paths is a central signal path which provides direct impedence to ground. The other two signal paths are capacitively coupled to the central signal path to provide a second impedence. Each signal path incorporates at least one inductor coupled in series along each of the signal paths. The signal paths are capacitively coupled to each other at each end of the inductors. To increase the bandwidth, additional hybrids are coupled in series, with each hybrid forming a section of the broadband hybrid.
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