High-frequency coupler

Wave transmission lines and networks – Plural channel systems – Having branched circuits

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333238, H01P 518

Patent

active

056660901

ABSTRACT:
A high-frequency coupler includes a main transmission line having a microstrip line arranged on a base, a coupling part arranged on the base close to the main transmission line, and a conductive part provided within the base and connected to the coupling part through a throughhole. Therefore, the conductive part is influenced little by external sources.

REFERENCES:
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patent: 4216446 (1980-08-01), Iwer
patent: 4375054 (1983-02-01), Pavio
patent: 4376921 (1983-03-01), Dickens et al.
patent: 4482873 (1984-11-01), Nyhus
patent: 5159298 (1992-10-01), Dydyk
patent: 5229727 (1993-07-01), Clark et al.
patent: 5235296 (1993-08-01), Saka
patent: 5313175 (1994-05-01), Bahl et al.
patent: 5369379 (1994-11-01), Fujiki
R. R. Weirather, A Small MIC Coupler with Good Directivity, IEEE Trans. on MTT, Jan. 1974, pp. 70, 71.

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