Title: Duplexer
Application Number: 200610146539 Application Date: 2006.11.15
Publication Number: 1968012 Publication Date: 2007.05.23
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H03H9/02;H03H9/10;H03H9/70;H03H9/72;H04B1/52
Applicant(s) Name: Fujitsu Media Devices Ltd. Address:
Inventor(s) Name: Iwamoto Yasuhide;Tsutsumi Jun;Iwaki Masafumi;Ueda
Attorney & Agent: sunhai long
Abstract:
    The present inventio provided a duplexer which includes a transmit filter of a ladder type filter, connected between a common terminal and a transmitting terminal, and a receive filter of the ladder type filter, connected between the common terminal and a receiving terminal. One or more parallel resonators in the transmit filter are grounded through a transmitting inductance, and a portion of multiple parallel resonators are grounded through a first receiving inductance and a remaining portion of the multiple parallel resonators are grounded through a second receiving inductance.
Time: 11
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