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znaya
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Homework Statement
Consider a circuit which output is the absolute value of the input signal, this is, y(t)=|x(t)|?
a) this circuit is not a LIT system because it implements a non linear operation;
b) this circuit is a LIT system that creates phase distortion;
c) this circuit is a LIT system that creates amplitude distortion;
d) this circuit is a LIT system that creates amplitude and phase distortion.
Homework Equations
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The Attempt at a Solution
My first thought was... it's not linear because it will "convert" only the negative part of the sinusoid but then... isn't this because of the phase? I can't decide between a) and b).
Could someone please give a help?