A design of wideband 3-dB coupler with N-section microstrip tandem structure

New design equations and a 3-dB microstrip coupler example for N-section tandem connected structure with wide bandwidth are presented. The proposed four-port S-parameters and equations are obtained from a port reduction method. The designed microstrip 3-dB coupler not only does not need high impedan...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2005-02, Vol.15 (2), p.113-115
Hauptverfasser:	CHO, Jeong-Hoon, HWANG, Hee-Yong, YUN, Sang-Won
Format:	Artikel
Sprache:	eng
Schlagworte:	3-dB microstrip coupler Applied sciences Bandwidth Circuit properties Coupling circuits Design methodology Directional couplers Electric, optical and optoelectronic circuits Electronics Equations Exact sciences and technology Impedance Microstrip Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits parallel coupled lines Phase measurement Wideband wideband coupler
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