US 12,255,679 B2
Radio frequency circuit and electronic device
Jingqiu Lin, Dongguan (CN); and Xiaojian Xie, Dongguan (CN)
Assigned to VIVO MOBILE COMMUNICATION CO., LTD., Dongguan (CN)
Filed by VIVO MOBILE COMMUNICATION CO., LTD., Dongguan (CN)
Filed on May 24, 2023, as Appl. No. 18/201,218.
Application 18/201,218 is a continuation of application No. PCT/CN2021/131437, filed on Nov. 18, 2021.
Claims priority of application No. 202011329876.2 (CN), filed on Nov. 24, 2020.
Prior Publication US 2023/0299810 A1, Sep. 21, 2023
Int. Cl. H04B 1/401 (2015.01); H04B 1/04 (2006.01); H04W 4/80 (2018.01); H04W 36/06 (2009.01); H04W 84/12 (2009.01); H04B 1/18 (2006.01)
CPC H04B 1/401 (2013.01) [H04B 1/0458 (2013.01); H04W 4/80 (2018.02); H04W 36/06 (2013.01); H04W 84/12 (2013.01); H04B 1/18 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A radio frequency circuit, comprising a first WIFI signal transmission port, a Bluetooth signal transmission port, a switch component, a first antenna, and a second antenna, wherein:
the first WIFI signal transmission port is separately electrically connected to the first antenna and the second antenna by using the switch component, and the Bluetooth signal transmission port is separately electrically connected to the first antenna and the second antenna by using the switch component;
when the switch component is in a first state, the switch component connects the Bluetooth signal transmission port to the first antenna, and the switch component connects the first WIFI signal transmission port to the second antenna;
when the switch component is in a second state, the switch component connects the Bluetooth signal transmission port to the second antenna, and the switch component connects the first WIFI signal transmission port to the first antenna;
wherein the radio frequency circuit further comprises a second WIFI signal transmission port, and the second WIFI signal transmission port is separately electrically connected to the first antenna and the second antenna by using the switch component;
when the switch component is in a third state, one of the first WIFI signal transmission port or the second WIFI signal transmission port is connected to the first antenna, and the other is connected to the second antenna;
the switch component comprises a first switch, a second switch, and a third switch;
the first WIFI signal transmission port is electrically connected to the second antenna by using the first switch;
the second WIFI signal transmission port is electrically connected to the first antenna by using the second switch;
the third switch is a single-pole double-throw switch, and the Bluetooth signal transmission port is electrically connected to the first switch and the second switch by using the third switch;
when the switch component is in the first state, the third switch connects the Bluetooth signal transmission port to the second switch, the second switch connects the third switch to the first antenna, and the first switch connects the first WIFI signal transmission port to the second antenna;
when the switch component is in the second state, the third switch connects the Bluetooth signal transmission port to the first switch, the first switch connects the third switch to the second antenna, and the second switch connects the second WIFI signal transmission port to the first antenna; and
when the switch component is in the third state, the first switch connects the first WIFI signal transmission port to the second antenna, and the second switch connects the second WIFI signal transmission port to the first antenna.