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公开(公告)号：US20190097675A1
公开(公告)日：2019-03-28
申请号：US16199619
申请日：2018-11-26
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Shinya MIZOGUCHI , Masanori HIGASHIDE
Abstract: A duplexer includes a 90° hybrid connected to an antenna terminal, a 90° hybrid connected to a terminating resistor, a transmission-side filter connected to the 90° hybrid connected to the antenna terminal, and notch filters connected to both of the 90° hybrids and mutually having the same filter characteristics, where each of the notch filters is a band elimination filter configured to reflect a radio frequency signal of a transmission band and allow a radio frequency signal of a band other than the transmission band to pass through.
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