triode mixer

例句：

1. 1. The triode mixer is used to amplify the signal.
   三极混频器用于放大信号。
2. 2.The engineer used the triode mixer to tune the radio.
   工程师使用三极混频器调谐收音机。
3. 3.The triode mixer was responsible for the high-frequency output of the device.
   三极混频器负责该设备高频输出。