噪声系数通常用于衡量一个电路和或者系统内部噪声大小，它通常用于比较不同电路或者系统噪声性能的好坏。噪声系数的定义如下： Exterior sounds involves any kind of exterior influences, for example external parts and electrical/electromagnetic interference. Interference is described as any undesirable indicators arriving as both voltage or existing, at any from the amplifier’s terminals or ind... https://eleanorg566jdx9.bloggosite.com/profile