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运放噪声仿真时带宽的选择



Ti工程师你们好

现有两级放大器,第一级带宽是1Khz,第二级带宽是100hz,仿真总的TRI或RTO噪声时,带宽选择为100hz,对吧?

如果单独计算每一级噪声,然后求和来计算总RTO,那么第一级放大器带宽按照1Khz还是100hz来计算?

感谢您的回复