发明名称 HIGH-FREQUENCY MODULE
摘要 PROBLEM TO BE SOLVED: To provide a high-frequency module having a small loss, capable of corresponding to the duplex mode and also corresponding to the communication in at least two different frequency bands. SOLUTION: The high-frequency module 21 has at least one of the antenna ports ANT1, ANT2 and external connection ports EXT1, EXT2, and two reception signal transmission paths differently having one main switching element between the reception ports Rx1 and Rx2. On the reception signal transmission path of the reception port Rx2 side, a filter 38 having an A band of a PDC 800 as a pass band is connected between the integrated other end of main switching elements 22b-25b and the reception port Rx2. On the reception signal transmission path of the reception port Rx1 side, a filter 39 having the C/D bands of the PDC 800 as a pass band is connected between the integrated other end of main switching elements 22a-25a and the reception port Rx1. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2004336215(A) 申请公布日期 2004.11.25
申请号 JP20030126793 申请日期 2003.05.01
申请人 MURATA MFG CO LTD 发明人 KATOU MITSUHIDE;SASAKI JUN;TOCHIGI MAKOTO;BANDAI HARUFUMI
分类号 H04B1/44;(IPC1-7):H04B1/44 主分类号 H04B1/44
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