Invention Grant
- Patent Title: Radio-frequency front-end circuit and communication device
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Application No.: US16360248Application Date: 2019-03-21
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Publication No.: US10756768B2Publication Date: 2020-08-25
- Inventor: Daisuke Miyazaki , Morio Takeuchi
- Applicant: Murata Manufacturing Co., Ltd.
- Applicant Address: JP Kyoto
- Assignee: MURATA MANUFACTURING CO., LTD.
- Current Assignee: MURATA MANUFACTURING CO., LTD.
- Current Assignee Address: JP Kyoto
- Agency: Keating & Bennett, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@52679dee
- Main IPC: H04B1/00
- IPC: H04B1/00 ; H04B1/40 ; H04B1/16 ; H03H9/70 ; H03H9/72

Abstract:
A radio-frequency front-end circuit includes first and second filters, and first and second band elimination filters. The first filter is connected between an antenna common terminal and a first input-output terminal, and has a first frequency band as a pass band. The second filter is connected between the antenna common terminal and a second input-output terminal, and has a second frequency band as a pass band. The first band elimination filter is connected between the antenna common terminal and a third input-output terminal, and has the first frequency band as a stop band. The second band elimination filter is connected in series with the first band elimination filter between the antenna common terminal and the third input-output terminal, and has the second frequency band as a stop band.
Public/Granted literature
- US20190222236A1 RADIO-FREQUENCY FRONT-END CIRCUIT AND COMMUNICATION DEVICE Public/Granted day:2019-07-18
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