驻极体放大电路

Electret amplifier circuit

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
分析了驻极体传声器的电路模型及其传统的前置放大电路。
This paper discussed the circuit model of a electret microphone and the conventional microphone preamplifiers.
2
该电路涉及到放大、滤波、电平抬升等电路，并给出了安全设计问题，利用驻极体电容传声器来拾取心音信号。
It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals.

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