radio-frequency amplifier circuit

例句：

1. 1. Theradio frequency amplifier is used to amplify the weak signals received from the remote control.
   射频放大器用于放大从遥控器接收到的微弱信号。
2. 2. The design of the radio frequency amplifier circuit is crucial for the performance of the communication system.
   射频放大器电路的设计对于通信系统的性能至关重要。
3. 3.The radio frequency amplifier circuit is responsible for converting the received radio signals into usable power levels.
   射频放大器电路负责将接收到的无线电信号转换为可用的功率级别。