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Browsing by Author "Chun-Fu"

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    Dual bandpass filter having serial configuration of coupled-line filters
    (2009-03-31)
    Chung
    ;
    Shyh-Jong
    ;
    Lin
    ;
    Ke-Chiang
    ;
    Chang
    Two second-order bandpass filter are connected serially to obtain a dual bandpass filter. One is inductive and the other is capacitive. One has a low passband and the other has a high passband. Between them, a finite transmission zero is formed to suppress noise. The present invention achieves a passband as wide as 1 gigahertz so that it can be applied to a wireless local network, communication equipments and electronic devices.