PI-TYPE BAND PASS FILTER

An improved band pass filter of pi-type inductor is disclosed, which utilizes the serial inductor in the pi as a compensating inductor, which can lower the coupling coefficient of the band pass by adjusting the inductance ratio of the compensating inductor to that of the two parallel grounded induct...

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Bibliographische Detailangaben
Hauptverfasser:	TUNG WEI-SHIN, WANG TAIANG
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS
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Beschreibung
Zusammenfassung:	An improved band pass filter of pi-type inductor is disclosed, which utilizes the serial inductor in the pi as a compensating inductor, which can lower the coupling coefficient of the band pass by adjusting the inductance ratio of the compensating inductor to that of the two parallel grounded inductors. Therefore, the coupling coefficient is lowered by adjusting the inductance of the pi-type inductors, avoid noise generation, and obtain optimal band pass characteristics, while miniaturizing the filter.