A compact branch-line coupler using discontinuous microstrip lines

We introduce a branch-line coupler using discontinuous microstrip lines whose size is significantly reduced relative to the standard design. We manipulate the reactive characteristics of discontinuities in its microstrip lines to achieve a physical size reduction of almost 60% with comparable perfor...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2005-08, Vol.15 (8), p.519-520
Hauptverfasser:	Kae-Oh Sun, Sung-Jin Ho, Chih-Chuan Yen, van der Weide, D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Capacitance Circuit properties Coupling circuits Distributed parameter circuits Electric, optical and optoelectronic circuits Electronics Equivalent circuits Exact sciences and technology Hybrid coupler Impedance Inductance Microstrip microstrip discontinuity Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwave integrated circuits MMICs slow wave Transmission line discontinuities
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Beschreibung
Zusammenfassung:	We introduce a branch-line coupler using discontinuous microstrip lines whose size is significantly reduced relative to the standard design. We manipulate the reactive characteristics of discontinuities in its microstrip lines to achieve a physical size reduction of almost 60% with comparable performance.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2005.852789