Title:
FILTER
Document Type and Number:
WIPO Patent Application WO/2020/105396
Kind Code:
A1
Abstract:
Provided is a filter capable of suppressing variation in characteristics. A filter (10) has: a plurality of resonators (11A-11C) each having a via electrode (20) and a first strip line (18A) that is opposed to a first shielding conductor (12B) and connected to one end of the via electrode; a first coupling capacitive electrode (29A) that has a first comb-shaped electrode (33A) including a plurality of first electrodes (31a) and that is provided to the first resonator (11A); and a second coupling capacitive electrode (29B) that is provided to the second resonator (11B), that has a second comb-shaped electrode (33B) including a plurality of second electrodes (31b), and that is formed on the same layer as that of the first coupling capacitive electrode, wherein the first and second electrodes are arranged so as to be adjacent to each other.
Inventors:
OGAWA KEISUKE (JP)
MAKINO HITOSHI (JP)
MAKINO HITOSHI (JP)
Application Number:
PCT/JP2019/042979
Publication Date:
May 28, 2020
Filing Date:
November 01, 2019
Export Citation:
Assignee:
SOSHIN ELECTRIC (JP)
International Classes:
H01P1/202; H01P1/205; H01P7/04
Foreign References:
| JP2017195565A | 2017-10-26 | |||
| JPH0641202U | 1994-05-31 | |||
| JP2008252797A | 2008-10-16 | |||
| US20100265015A1 | 2010-10-21 |
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (JP)
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