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1. (WO2018205173) RADIO FREQUENCY CIRCUIT SWITCH CHIP, RADIO FREQUENCY CIRCUIT, ANTENNA DEVICE, AND ELECTRONIC DEVICE

Pub. No.:    WO/2018/205173    International Application No.:    PCT/CN2017/083840
Publication Date: Fri Nov 16 00:59:59 CET 2018 International Filing Date: Thu May 11 01:59:59 CEST 2017
IPC: H04B 1/40
Applicants: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
广东欧珀移动通信有限公司
Inventors: CONG, Ming
丛明
FENG, Bin
冯斌
Title: RADIO FREQUENCY CIRCUIT SWITCH CHIP, RADIO FREQUENCY CIRCUIT, ANTENNA DEVICE, AND ELECTRONIC DEVICE
Abstract:
A radio frequency circuit switch chip. By means of a first switch and a second switch having different states of connection to a first frequency divider and a second frequency divider, the present invention divides received signals into high-frequency signals and medium-frequency signals, into high-frequency signals and low-frequency signals, into medium-frequency signals and low-frequency signals, or into high-frequency signals, medium-frequency signals, and low-frequency signals. A radio frequency circuit, an antenna device, and an electronic device are also provided.