Title:
FILTER
Document Type and Number:
WIPO Patent Application WO/2020/026889
Kind Code:
A1
Abstract:
The present invention provides a small-sized filter which has good characteristics. A filter (10) according to the present invention comprises: a resonator (11A) which has a via electrode part (20) that is formed within a dielectric substrate (14) and a first strip line (18) that is connected to one end of the via electrode part, while facing a first shielding conductor (12B) among a plurality of shielding conductors (12A, 12B, 12Ca, 12Cb) that are formed so as to surround the via electrode part; an input/output terminal (22A) which is coupled to a second shielding conductor (12A) among the plurality of shielding conductors; and a first capacitor electrode pattern (26A) which is coupled to the input/output terminal. The first capacitor electrode pattern is capacitively coupled to the first strip line or a second capacitor electrode pattern (27A) that is connected to the via electrode part.
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Inventors:
OGAWA KEISUKE (JP)
Application Number:
PCT/JP2019/028793
Publication Date:
February 06, 2020
Filing Date:
July 23, 2019
Export Citation:
Assignee:
SOSHIN ELECTRIC (JP)
International Classes:
H01P1/205; H01P7/04
Foreign References:
| JP2017195565A | 2017-10-26 | |||
| JP2011507312A | 2011-03-03 | |||
| JP2004023188A | 2004-01-22 | |||
| JPH10303604A | 1998-11-13 |
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (JP)
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