H - Electricity – 03 – H
Patent
H - Electricity
03
H
H03H 7/01 (2006.01) H01P 1/20 (2006.01) H01P 1/203 (2006.01) H01P 7/08 (2006.01) H03B 1/00 (2006.01) H03B 5/18 (2006.01) H03B 9/14 (2006.01)
Patent
CA 2196007
A variable-frequency resonator has a dielectric strip serving as a main line and a dielectric strip serving as a sub line. A dielectric resonator is disposed therebetween, and a diode board is disposed at an intermediate point of the dielectric strip serving as the sub line. The electrical length of the sub line is switched according to the electrically conductive/open state of the diode. With this switching, the resonant frequency of the dielectric resonator is changed. Therefore, a variable-frequency resonator having a high Q value, a variable-frequency oscillator having a high C/N ratio, and a variable-frequency filter having low loss are implemented.
ésonateur à fréquence variable comportant deux bandes diélectriques dont l'une sert de ligne principale et l'autre de ligne secondaire. Un résonateur diélectrique est disposé entre ces deux lignes et une carte à diodes est disposée en un point de la bande diélectrique qui sert de ligne secondaire. La longueur électrique de la ligne secondaire est commutée en fonction de l'état ouvert ou conducteur de la diode. Cette commutation modifie la fréquence de résonance du résonnateur diélectrique. On obtient ainsi un résonateur à fréquence variable ayant une valeur Q élevée, un oscillateur à fréquence variable ayant un rapport C/N élevé et un filtre à fréquence variable à faible perte.
Ishikawa Yohei
Sakamoto Koichi
Yamashita Sadao
Mccarthy Tetrault Llp
Murata Manufacturing Co. Ltd.
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