Design of a Wide Stopband Microstrip Bandpass Filter With Asymmetric Resonators

In this letter, a novel microstrip bandpass filter (BPF) with asymmetric resonators is presented. With the asymmetric structure and capacitively loaded coupling, a wide bandwidth with sufficient rejection level can be achieved easily. A full-wave electromagnetic simulator IE3D is used, and the proto...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2008-02, Vol.18 (2), p.91-93
Hauptverfasser:	TANG, Ching-Wen, HSU, Yen-Kuo
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Asymmetric resonator Asymmetry Band pass filters bandpass filter (BPF) Bandpass filters Bandwidth Circuit properties Dielectric loss measurement Dielectric substrates Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Frequency Frequency filters Joining Microstrip filters Microstrip resonators Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwave filters Microwaves Oscillators, resonators, synthetizers Power harmonic filters Rejection Resonator filters Resonators Simulation
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Beschreibung
Zusammenfassung:	In this letter, a novel microstrip bandpass filter (BPF) with asymmetric resonators is presented. With the asymmetric structure and capacitively loaded coupling, a wide bandwidth with sufficient rejection level can be achieved easily. A full-wave electromagnetic simulator IE3D is used, and the prototype of the BPF is fabricated and measured. Comparisons of simulated results and experimental data are shown; moreover, good match validates the proposed filter.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2007.915034