Title:
RADIO FREQUENCY FRONT-END DEVICE AND RADIO FREQUENCY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/098244
Kind Code:
A1
Abstract:
A radio frequency front-end device (10). The radio frequency front-end device (10) is configured with a first input port (LB1RFIN), a second input port (LB2RFIN), a first output port (LNA OUT1) and a second output port (LNA OUT2), which are used for connecting to a radio frequency transceiver, a first antenna port (ANT1), which is used for connecting to a first antenna (Ant1), and a second antenna port (ANT2), which is used for connecting to a second antenna (Ant2). The radio frequency front-end device (10) comprises: a first transceiving circuit (110), which is respectively connected to the first input port (LB1RFIN), the first output port (LNA OUT1) and the first antenna port (ANT1), and is used for supporting the receiving and transmitting processing on a plurality of received first low-frequency signals; and a second transceiving circuit (120), which is respectively connected to the second input port (LB2RFIN), the second output port (LNA OUT2) and the second antenna port (ANT2), and is used for supporting the receiving and transmitting processing on a plurality of received second low-frequency signals.
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Inventors:
WANG GUOLONG (CN)
Application Number:
PCT/CN2022/120390
Publication Date:
June 08, 2023
Filing Date:
September 22, 2022
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04B1/40
Domestic Patent References:
| WO2021238453A1 | 2021-12-02 |
Foreign References:
| CN212588326U | 2021-02-23 | |||
| CN216490480U | 2022-05-10 | |||
| US20140119244A1 | 2014-05-01 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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