output impedance of microphone

例句：

1. 1.The output impedance of the circuit is very low, which makes it suitable for high-speed communication.
   电路的输出阻抗非常低，这使得它非常适合高速通信。
2. 2. In order to improve the performance of the wireless receiver, we need to reduce its output impedance.
   为了提高无线接收器的性能，我们需要降低其输出阻抗。
3. 3. The output impedance of the power amplifier is an important parameter that affects the system's stability.
   功率放大器的输出阻抗是影响系统稳定性的一个重要参数。