channel frequency converter

例句：

1. 1.The channel frequency converter is used to switch between different frequencies.
   通道频率转换器用于在不同的频率之间切换。
2. 2. The channel frequency converter was designed to improve signal quality.
   通道频率转换器被设计用来提高信号质量。
3. 3.The channel frequency converter is essential for maintaining a stable communication system.
   通道频率转换器对于保持通信系统的稳定性至关重要。