公开(公告)号：EP2911296A4

公开(公告)日：2016-07-13

申请号：EP13847760

申请日：2013-08-28

申请人： MURATA MANUFACTURING CO

发明人： YOSUI KUNIAKI ,  KATO NOBORU ,  AKIYAMA HISASHI

IPC分类号： H03H7/42 ,  H01F17/00 ,  H01F27/00 ,  H01P1/20 ,  H03H1/00 ,  H03H7/01 ,  H03H7/09

CPC分类号： H03H7/0115 ,  H01P1/20 ,  H03H7/09 ,  H03H7/1725 ,  H03H7/1733 ,  H03H7/1758 ,  H03H7/1775 ,  H03H7/1783 ,  H03H7/427 ,  H03H2001/0085

摘要： A common mode filter (101) includes, between ports (P1, P2) and ports (P3, P4), a differential transmission line including a first signal line (SL1) and a second signal line (SL2). The first signal line (SL1) includes a first inductor (L1) arranged in series, and the second signal line (SL2) includes a second inductor (L2) arranged in series. In addition, a first resonant circuit (RC1) is provided between the first end of the first inductor (L1) and the ground, and a second resonant circuit (RC2) is provided between the first end of the second inductor (L2) and the ground.