提供了一种音频放大器的输入增益控制设备和方法。
Provided are input-gain control apparatus and method of an audio amplifier.
通过分析影响音频放大器的主要噪声源，从内因和外因两方面提出了抑制噪声的措施和方法。
In this paper, a method was applied to reduce the noise by analyzing the main noise resource affecting the audio amplifier.
同时还详细描述了前置音频放大器，三角波产生电路、比较器，死区控制电路，输出驱动电路等子模块的设计内容。
And then describe the module of pre audio amplifier, triangle generator, comparator, death time control and output driver etc.
除此之外，调试人员还应将电磁波滤波器连接至音频放大器音频输出端，诸如铁氧体磁环均能达到类似的过滤效果。
Apart from this step, designers should also connect an EMI filter, such as a ferrite bead , to the output of the amplifier.
除此之外，调试人员还应将电磁波滤波器连接至音频放大器音频输出端，诸如铁氧体磁环均能达到类似的过滤效果。
Apart from this step, designers should also connect an EMI filter, such as a ferrite bead , to the output of the amplifier.
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