Title:
FILTER AND MULTIPLEXER
Document Type and Number:
Japanese Patent JP2021136500
Kind Code:
A
Abstract:
To provide a filter or a multiplexer that suppresses the change in filter property or improves the suppressing property.SOLUTION: A filter includes a first signal terminal T1, a second signal terminal T2, a filter circuit connected between the first signal terminal and the second signal terminal, a substrate where the first signal terminal and the second signal terminal are provided on a first surface and at least a part of the filter circuit is provided on a second surface on the opposite side of the first surface, a track 16a provided on the first surface side relative to the filter circuit in the substrate and having one end connected to one of the first signal terminal and the second signal terminal, and a ground terminal Tg provided on the first surface, connected to the other end of the track, and overlapping with the track with a larger area than the area where the track and one of the signal terminals overlap in a plan view of the substrate.SELECTED DRAWING: Figure 11
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Inventors:
INOUE MAKOTO
SEKINE HIDEYUKI
SEKINE HIDEYUKI
Application Number:
JP2020029491A
Publication Date:
September 13, 2021
Filing Date:
February 25, 2020
Export Citation:
Assignee:
TAIYO YUDEN KK
International Classes:
H03H7/01; H03H7/46; H03H9/17; H03H9/54; H03H9/64; H03H9/70; H03H9/72
Attorney, Agent or Firm:
Shuhei Katayama