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Title:
DUPLEXER MODULE
Document Type and Number:
WIPO Patent Application WO/2010/087307
Kind Code:
A1
Abstract:
Provided is a duplexer module wherein deterioration of isolation between signal lines is suppressed. A duplexer module (1) is provided with transmission filters (Tx1-Tx3), reception filters (Rx1-Rx3), phase adjusting circuits (9A-9C) and a multilayer substrate (2). The transmission filters (Tx1-Tx3) and the reception filters (Rx1-Rx3) configure different discrete components, respectively. On the multilayer substrate (2), filter mounting terminals (7A-7C) having the transmission filters (Tx1-Tx3) mounted thereon and filter mounting terminals (8A-8C) having the reception filters (Rx1-Rx3) mounted thereon are formed. The filter mounting terminals (7A-7C) are arranged along the upper side of the multilayer substrate (2), and the filter mounting terminals (8A-8C) are arranged along the lower side of the multilayer substrate (2).

Inventors:
FURUTANI KOJI (JP)
Application Number:
PCT/JP2010/050904
Publication Date:
August 05, 2010
Filing Date:
January 25, 2010
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
FURUTANI KOJI (JP)
International Classes:
H03H7/46; H03H9/64; H03H9/72; H04B1/3822; H04B1/50
Foreign References:
JP2001094459A2001-04-06
JP2001251206A2001-09-14
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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