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Title:
弾性波装置及びデュプレクサ
Document Type and Number:
Japanese Patent JP5035430
Kind Code:
B2
Abstract:
An elastic wave device includes an unbalanced terminal and first and second balanced terminals. A longitudinally-coupled-resonator-type first elastic wave filter is provided between the unbalanced terminal and the first balanced terminal. An elastic wave filter, which is connected in parallel with the first elastic wave filter, is connected between the unbalanced terminal and the second balanced terminal. The current paths through which IDT electrodes of the elastic wave filters of the elastic wave device are connected to ground terminals, are not symmetrical.

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Inventors:
Yamamoto Ayaka
Yuichi Takamine
Application Number:
JP2010545128A
Publication Date:
September 26, 2012
Filing Date:
May 14, 2010
Export Citation:
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Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H03H9/145; H03H9/64; H03H9/72
Domestic Patent References:
JP2007104052A2007-04-19
JP2008118277A2008-05-22
Foreign References:
WO2008108113A12008-09-12
Attorney, Agent or Firm:
宮▲崎▼ 主税
Kazutoshi Nakayama



 
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