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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container_title	IEEE microwave and wireless components letters
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creator	Kae-Oh Sun Sung-Jin Ho Chih-Chuan Yen van der Weide, D.
description	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.
doi_str_mv	10.1109/LMWC.2005.852789
format	Article
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subjects	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
title	A compact branch-line coupler using discontinuous microstrip lines
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