The number of circuits that can be fed input signals from an output device.
扇出,输出可从输出设备输入信号的电路的数量
A filter whose transfer function is matched with the frequency spectrum function of input signal.
其传递函数与输入信号的频谱函数相匹配的一种滤波器。
A device that converts a property of an input signal, such as frequency or phase, into an amplitude variation, depending on how the signal differs from a standard or reference signal.