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我想得到一个0.2毫伏VPP，频率150KHz的正弦波，有什么好办法？
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我想得到一个0.2毫伏VPP，频率150KHz的正弦波，有什么好办法？
ppa3278
over 9 years ago
由于我使用的信号源分辨率16位，达不到这个要求，衰减设计起来也麻烦，信号源内阻，负载的阻抗都不确定。。有什么好的芯片能实现吗？
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▓巭孬▓
over 9 years ago
用低噪运放做个反相衰减器或者衰减后用个低噪运放buffer一下
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