Symmetric microstrip interdigital capaci
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Donghyun Baek; Youngjin Kim
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Article
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2008
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John Wiley and Sons
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English
β 253 KB
## Abstract This article describes a symmetric capacitorβcompensated microstrip directionalβcoupler design with very high directivity. The compensation capacitors are incorporated between the coupling lines as interdigital type on the PCB board. The prototype directionalβcoupler shows 19.6 dB coupl