Compact-size coplanar waveguide bandpass filter

A compact-size coplanar waveguide (CPW) bandpass filter (BPF) is proposed. In this study, we use the bended stub with novel folded skill to improve the three parallel coupled-lines structure of BPF for N = 1. It gets the sharp transition band (TB) and reduces the dimension of the circuit by 66.67% a...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2003-06, Vol.13 (6), p.241-243
Hauptverfasser:	LIAO, Shry-Sann, SUN, Pou-Tou, CHEN, Hsien-Ku, LIAO, Xian-Yuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Band pass filters Bandpass filters Circuit properties Circuits Coplanar waveguides Coupling circuits Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Frequency Frequency filters High temperature superconductors Impedance Integrated optics. Optical fibers and wave guides Joining Microwave filters Microwaves Optical and optoelectronic circuits Shunt (electrical) Skills Superconducting films Superconducting filters Wireless communication systems
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Beschreibung
Zusammenfassung:	A compact-size coplanar waveguide (CPW) bandpass filter (BPF) is proposed. In this study, we use the bended stub with novel folded skill to improve the three parallel coupled-lines structure of BPF for N = 1. It gets the sharp transition band (TB) and reduces the dimension of the circuit by 66.67% at 2.45 GHz. Its center frequency can be shifted easily by adjusting the interfaces of SS and S'S' simultaneously. It is very useful for applications in the wireless communication systems.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2003.814601