A novel compact-size branch-line coupler

A novel compact-size branch-line coupler without any implementation of lumped-elements, bonding wires, and via holes is proposed. In this study, the size of the proposed coupler occupied only 45% of the conventional branch-line coupler at 2.4GHz. The performances of the circuit can be competed with...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2005-09, Vol.15 (9), p.588-590
Hauptverfasser:	LIAO, Shry-Sann, SUN, Pou-Tou, CHIN, Nien-Chung, PENG, Jen-Tee
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Bonding Branch-line coupler compact-size Costs Coupling circuits Design. Technologies. Operation analysis. Testing Distributed parameter circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Impedance Integrated circuits Microwave integrated circuits MMICs Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Shunt (electrical) T-shaped structure Wireless communication Wires
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Beschreibung
Zusammenfassung:	A novel compact-size branch-line coupler without any implementation of lumped-elements, bonding wires, and via holes is proposed. In this study, the size of the proposed coupler occupied only 45% of the conventional branch-line coupler at 2.4GHz. The performances of the circuit can be competed with the conventional coupler. The element sizes of this coupler can be realized easily by using simply standard printed-circuit-board etching processes. It is very useful for applications in the wireless communication systems.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2005.855378