I am trying to understand how an inductive sensor works. I have the circuit diagram for a filter amplifier circuit. However I have an inductor and capacitor in parallel with eachother. I don't think it is to do with resonance because the inductor is being induced with a voltage using an electomagnet. Can anyone help with this??
It can be a very sharp filter to amplify only a narrow band of frequencies, determined by the resonant frequency of the LC. .