HF Coupler or HF Power Splitter, Especially a Narrow-Band and/or 3DB Coupler or Power Splitter
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United States of America Patent
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Issued Date -
Feb 26, 2009
app pub date -
Mar 9, 2006
filing date -
Apr 7, 2005
priority date (Note) -
Abandoned
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Abstract
An improved HF coupler or HF power splitter comprises four connection lines arranged on the same side of the substrate. Two coupling zones are formed on the substrate on two opposite sides; the second coupling zone is connected to the associated connection lines arranged on the side of the substrate opposing the coupling zone, by means of two via holes in an electroplated manner. The capacitors provided at the beginning and at each end of each coupling zone are respectively embodied as interdigital capacitors; and the capacitors are respectively coupled to earth.
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