A continuous-time signal x(t) has a bandlimited spectrum with the highest frequency of 5KHZ is multiplied by a signal g(t)= 4cos (2 tF,t) where F1=15HZ. The result is passed through ideal Low-pass filter (LPF). The possible minimum and maximum cutoff frequencies for LPF are Select one: a. min=10kHz and max = 25kHz. b. min=5KHZ and max =10kHz C. min=5kHz and max=25kHz d. min=5kHz and max=20kHz e. min=10kHz and max=20kHz
A continuous-time signal x(t) has a bandlimited spectrum with the highest frequency of 5KHZ is multiplied by a signal g(t)= 4cos (2 tF,t) where F1=15HZ. The result is passed through ideal Low-pass filter (LPF). The possible minimum and maximum cutoff frequencies for LPF are Select one: a. min=10kHz and max = 25kHz. b. min=5KHZ and max =10kHz C. min=5kHz and max=25kHz d. min=5kHz and max=20kHz e. min=10kHz and max=20kHz
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Transcribed Image Text:A continuous-time signal x(t) has a bandlimited spectrum with the highest frequency of
5KHZ is multiplied by a signal g(t)= 4cos (2 tF,t) where F1=15HZ. The result is
passed through ideal Low-pass filter (LPF). The possible minimum and maximum
cutoff frequencies for LPF are
Select one:
a. min=10kHz and max = 25kHz.
b. min=5KHZ and max =10kHz
C. min=5kHz and max=25kHz
d. min=5kHz and max=20kHz
e. min=10kHz and max=20kHz
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