low power amplifier

例句：

1. 1.The new phone has a low power amplifier to reduce battery usage.
   这款新手机配备了低功率放大器，以减少电池消耗。
2. 2. In the field of telecommunications, low power amplifiers are used to boost weak signals.
   在电信领域，低功率放大器被用来增强弱信号。
3. 3. The engineer designed the low power amplifier to be more energy efficient.
   这位工程师设计了一款更节能的低功率放大器。