RADIO-FREQUENCY SIGNAL SENDING/RECEIVING CIRCUIT AND RADIO-FREQUENCY SIGNAL SENDING/RECEIVING DEVICE

摘要

(Project) It is possible to perform SRS with high precision. (Solution) A low-noise amplifier having an output terminal electrically connected to the first terminal, a first switch having one end electrically connected to an input terminal of the low-noise amplifier, one end electrically connected to the other end of the first switch, and the other end a bandpass filter electrically connected to the first antenna through the fourth terminal; a power amplifier having an input terminal electrically connected to a second terminal; one end electrically connected to an output terminal of the power amplifier; A second switch electrically connected to one end of the pass filter, one end electrically connected to an output terminal of the power amplifier, and a third switch electrically connected to the fifth terminal at the other end, and one end electrically connected to the third terminal and a fourth switch connected, the other end being electrically connected to the fifth terminal.