Invention Grant
- Patent Title: Multilayer band pass filter
- Patent Title (中): 多层带通滤波器
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Application No.: US13864360Application Date: 2013-04-17
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Publication No.: US09035724B2Publication Date: 2015-05-19
- Inventor: Mitsutoshi Imamura
- Applicant: Murata Manufacturing Co., Ltd.
- Applicant Address: JP Kyoto
- Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee Address: JP Kyoto
- Agency: Keating & Bennett, LLP
- Priority: JP2010-271728 20101206
- Main IPC: H03H7/01
- IPC: H03H7/01 ; H03H7/09 ; H01P1/203 ; H03H1/00

Abstract:
In a multilayer band pass filter, via-electrodes and strip electrodes define inductors of LC parallel resonators in four stages. A capacitor electrode and a ground electrode define a capacitor of a first-stage LC parallel resonator. A capacitor electrode and the ground electrode define a capacitor of a fourth-stage LC parallel resonator. Capacitor electrodes define a second-stage LC parallel resonator. Capacitor electrodes define a third-stage LC parallel resonator. Among four or more of the LC parallel resonators, the coupling between certain LC parallel resonators is easily defined, and the attenuation characteristic of a filter is definable with a high degree of freedom.
Public/Granted literature
- US20130229241A1 MULTILAYER BAND PASS FILTER Public/Granted day:2013-09-05
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