The circuit in Figure 1 generatesan output voltage that you canmeasure to determine whether two sinewaves have a quadrature relationship. Ifthe output voltage is 0V, the inputs (ϕ1and ϕ2) are exactly ...
A look at the simplest FM demodulation technique. It doesn’t give the lowest possible output distortion, it doesn’t reject amplitude distortion effects, but it is simple and can be used at virtually ...