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增益可调的输入放大器电路图

作者：时间：2013-11-12 来源：网络

图中所示是用SF357运放组成的低噪音,高输入阻抗,增益可调的输入放大器.改变图中的电阻分压比就能改变其放大器的增益.

增益可调的输入放大器电路图

电路图符号相关文章:电路图符号大全

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关键词： 增益可调 输入放大器

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