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为什么这个Vrti要除以放大器增益?运放电路的输入噪声和放大倍数有关吗?




如图所示,416nV/√Hz已经是传感器噪声的十分之一了,也就是说已经是运放输入端的噪声限制了,为什么还要除以10?这个10是增益还是啥?