Question: Consider the system of Figure, with the discrete-time system an ideal lowpass filter with cutoff frequency ?/8 radians/s.? (a) If x c (t) is bandlimited

Consider the system of Figure, with the discrete-time system an ideal lowpass filter with cutoff frequency ?/8 radians/s.?

(a) If xc(t) is bandlimited to 5 kHz, what is the maximum value of T that will avoid aliasing in the C/D converter?

(b) If 1/T = 10 kHz, what will the cutoff frequency of the effective continuous-time filter be?

(c) Repeat part (b) for 1/T = 20 kHz.

Discrete-time * (n] C/D D/C i v,(1) system yln] ()

Discrete-time * (n] C/D D/C i v,(1) system yln] ()

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