Dielectric resonator and dielectric filter

Details Dielectric resonator and dielectric filter Dielectric resonator and dielectric filter

H - Electricity

01

P

H01P 1/20 (2006.01) H01P 1/208 (2006.01) H01P 7/10 (2006.01)

Patent

CA 2348614

A dielectric resonator (10) comprises a dielectric block having first faces formed by cutting three edges sharing a corner of the dielectric block and second faces adjacent to the first faces. Any of the first faces forms an angle of 45~ with its adjacent second face. The ratio of the area of each first face to that of its second face is 45%. A dielectric filter comprises such a dielectric resonator (10), a hollow shield case (21) having a shape of a generally rectangular solid and housing the dielectric resonator (10), and feeding/receiving probes (24, 25) is also disclosed.

La présente invention concerne un résonateur diélectrique (10) qui comprend un bloc diélectrique présentant des premières faces, formées par découpe de trois bords partageant un coin du bloc diélectrique, ainsi que des secondes faces, adjacentes aux premières faces. Chacune des premières faces forme un angle de 45· avec sa seconde face adjacente. Le rapport de surface de chacune des premières faces sur celle de ses secondes faces s'élève à 45 %. La présente invention concerne également un filtre diélectrique qui comprend un tel résonateur (10), un boîtier protecteur creux (21) se présentant généralement sous la forme d'un solide rectangulaire et accueillant ledit résonateur diélectrique (10), ainsi que des sondes d'alimentation/de réception (24, 25).

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