TUNABLE RESONATOR ELEMENT FILTER CIRCUIT AND METHOD

Provided is a resonator element to be used in a filter. The resonator element includes a first resonator acoustically coupled to a second resonator, a third resonator, or both of the second and third resonators. The first resonator has a terminal for integration in a filter structure. A tuning circu...

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Bibliographische Detailangaben
Hauptverfasser:	BAUDER RUEDIGER, TIMME HANS JOERG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	Provided is a resonator element to be used in a filter. The resonator element includes a first resonator acoustically coupled to a second resonator, a third resonator, or both of the second and third resonators. The first resonator has a terminal for integration in a filter structure. A tuning circuit is coupled to the second resonator, the third resonator, of both of the second and third resonators to enable tuning of the resonator element. The tuning circuit includes a tunable capacitor and an inductor. 가변 공진기 요소, 필터 회로 및 방법 필터에서 사용하기 위한 공진기 요소가 제공된다. 공진기 요소는 제 2 또는 제 3 공진기 또는 둘 모두에 음향적으로 결합된 제 1 공진기를 포함한다. 제 1 공진기는 필터 구조체에 통합을 위한 단자를 갖는다. 튜닝 회로가 제 2 또는 제 3 공진기 또는 둘 모두에 결합되어 공진기 요소의 튜닝을 가능하게 한다. 튜닝 회로는 가변 캐패시터 및 인덕터를 포함한다.