专利检索 ap:("QUALCOMM Incorporated") AND inv:"Chunhu Zhang" 第 1 页

1.

发明授权
High harmonic performance radio frequency filter 有权

公开(公告)号：US11757423B2

公开(公告)日：2023-09-12

申请号：US17353420

申请日：2021-06-21

申请人： QUALCOMM Incorporated

发明人： Kai Liu , Chunhu Zhang , Chenliang Du

IPC分类号： H03H7/01 , H03H9/02 , H03H9/64 , G10K11/36

CPC分类号： H03H7/0161 , H03H9/02007 , H03H9/6406 , G10K11/36

摘要： Disclosed is a radio frequency (RF) filter that vertically integrates an acoustic wave filter with an integrated passive device (IPD) filter. The acoustic wave filter provides selectivity at fundamental frequency band while the IPD filter provides rejection at harmonic frequency bands.