Lumped element circulator having a plurality of separated operation bands
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United States of America Patent
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May 22, 2001
Grant Date -
N/A
app pub date -
Sep 4, 1998
filing date -
Sep 17, 1997
priority date (Note) -
Expired
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Abstract
A lumped element circulator having a plurality of operation bands, has a circulator element with a plurality of signal ports and a grounded terminal, and resonance circuits connected between the signal ports and the grounded terminal, respectively, each of the resonance circuits having a plurality of resonance points. The number of the operation bands is equal to the number of the resonance points of each of the resonance circuits.
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