Miniature directional coupling device

Differing from conventional directional coupling device being implemented on a coin-like planar board, the present invention stacks a bottom substrate, at least one phase retarding unit, at least one reference ground unit, a coupled circuit layer, a main circuit layer, and a top substrate to form a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Sheen Jyh-Wen, Lee Wei-Jen, Lyu Jhin-Ying
Format: Patent
Sprache:eng
Schlagworte:
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