Question: A filter has amplitude response and phase shift shown in Figure 2.39. Find the output for each of the inputs given below. For which cases

A filter has amplitude response and phase shift shown in Figure 2.39. Find the output for each of the inputs given below. For which cases is the transmission distortionless? Tell what type of distortion is imposed for the others.

(a) cos (48Ï€t) + 5 cos (126Ï€t)

(b) cos (126Ï€t) + 0.5 cos (170Ï€t)

(d) cos (10Ï€t) + 4 cos (50Ï€t)

Figure 2.39

|H(f) |H(f)| 4 21 2- 75 -f (Hz) 100 - f (Hz) 50 -75 -100 -50

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