Compact ultra-wideband bandpass filters using composite microstrip-coplanar-waveguide structure

KUO, Tsung-Nan ; LIN, Shih-Cheng ; et al.

In: IEEE transactions on microwave theory and techniques, Jg. 54 (2006), Heft 10, S. 3772-3778

Online academicJournal - print, 16 ref

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Compact ultra-wideband bandpass filters are proposed based on the composite microstrip-coplanar-waveguide (CPW) structure. In this study, the microstrip-CPW transitions and the CPW shorted stubs are adopted as quasi-lumped-circuit elements for realizing a three-pole high-pass filter prototype. By introducing a cross-coupled capacitance between input and output ports of this high-pass filter and suitably designing the transition stretch stubs, a compact three-pole ultra-wideband bandpass filter is implemented with two transmission zeros located close to the passband edges. To further improve the selectivity, two microstrip shorted stubs are added to implement a five-pole ultra-wideband bandpass filter with good out-of-band response. Being developed from the quasi-lumped elements, and not from the transmission lines, the proposed ultra-wideband filters have sizes more compact than those of the published wideband filters. The proposed ultra-wideband filters have the merits of compact size, flat group delay, good insertion/return loss, and good selectivity. Agreement between simulated and measured responses of these filters is demonstrated.

Titel:	Compact ultra-wideband bandpass filters using composite microstrip-coplanar-waveguide structure
Autor/in / Beteiligte Person:	KUO, Tsung-Nan ; LIN, Shih-Cheng ; CHUN HSIUNG, CHEN
Link:	Volltext View record from PASCAL Archive
Zeitschrift:	IEEE transactions on microwave theory and techniques, Jg. 54 (2006), Heft 10, S. 3772-3778
Veröffentlichung:	New York, NY: Institute of Electrical and Electronics Engineers, 2006
Medientyp:	academicJournal
Umfang:	print, 16 ref
ISSN:	0018-9480 (print)
Schlagwort:	Electronics Electronique Optics Optique Telecommunications Télécommunications Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Circuits électriques, optiques et optoélectroniques Electric, optical and optoelectronic circuits Propriétés des circuits Circuit properties Circuits électroniques Electronic circuits Filtres de fréquence Frequency filters Circuits hyperfréquences, circuits intégrés hyperfréquences, lignes de transmission hyperfréquences, circuits à ondes submillimétriques Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Bande passante Passband Banda pasante Capacité électrique Capacitance Capacitancia Circuit large bande Wide band circuit Circuito ancha banda Circuit paramètre localisé Lumped parameter circuit Circuito parámetro localizado Commande multivariable Multivariable control Control multivariable Conception compacte Compact design Concepción compacta Filtre microbande Microstrip filters Filtre passe bande Band pass filter Filtro paso banda Filtre passe haut High pass filter Filtro paso alto Guide onde coplanaire Coplanar waveguides Implémentation Implementation Implementación Ligne transmission Transmission line Línea transmisión Matériau composite Composite material Material compuesto Perte insertion Insertion loss Pérdida inserción Prototype Prototipo Retard groupe Group delay Retardo grupo Sélectivité Selectivity Selectividad Transition microbande Microstrip transitions Ultra large bande Ultra wide band Banda ultraancha Perte retour Return loss Bandpass filter coplanar waveguide (CPW) cross coupling high-pass filter microstrip ultra-wideband (UWB)
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Department of Electrical Engineering and Graduate Institute of Communication Engineering, National Taiwan University, Taipei 106, Tawain, Province of China Rights: Copyright 2006 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Electronics

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