HIGH-FREQUENCY SIGNAL TRANSCEIVER CIRCUIT AND HIGH-FREQUENCY SIGNAL TRANSCEIVER

To perform SRS with high accuracy.SOLUTION: A high-frequency signal transceiver circuit comprises: a low-noise amplifier having an output terminal electrically connected to a first terminal; a first switch having one end electrically connected to an input terminal of the low-noise amplifier; a bandpass filter having one end electrically connected to the other end of the first switch, and the other end electrically connected to a first antenna through a fourth terminal; a power amplifier having an input terminal electrically connected to a second terminal; a second switch having one end electrically connected to an output terminal of the power amplifier, and the other end electrically connected to the one end of the bandpass filter; a third switch having one end electrically connected to the output terminal of the power amplifier, and the other end electrically connected to a fifth terminal; and a fourth switch having one end electrically connected to a third terminal, and the other end electrically connected to the fifth terminal.SELECTED DRAWING: Figure 3 【課題】ＳＲＳを高い精度で行うことを可能とする。【解決手段】出力端子が第１端子に電気的に接続された、ローノイズアンプと、一端がローノイズアンプの入力端子に電気的に接続された、第１スイッチと、一端が第１スイッチの他端に電気的に接続され、他端が第４端子を介して第１アンテナに電気的に接続される、バンドパスフィルタと、入力端子が第２端子に電気的に接続された、パワーアンプと、一端がパワーアンプの出力端子に電気的に接続され、他端がバンドパスフィルタの一端に電気的に接続された、第２スイッチと、一端がパワーアンプの出力端子に電気的に接続され、他端が第５端子に電気的に接続された、第３スイッチと、一端が第３端子に電気的に接続され、他端が第５端子に電気的に接続された、第４スイッチと、を含む。【選択図】図３