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ECE · Q34

Digital Communication

Engineering and GATE · ECE · question 34

Q34

Consider a sample signal \[y ( t ) = 5 × 10^ - 6x ( t ) _ - ^ + ( t - nT_s ) \] where x(t) = 10cos(8π × 103)t and Ts =100 μsec. When y(t) is passed through an ideal lowpass filter with a cutoff frequency of 5 kHz, the output of the filter is

Consider a sample signal

where x(t) = 10cos(8π × 103)t and Ts =100 μsec. When y(t) is passed through an ideal lowpass filter with a cutoff frequency of 5 kHz, the output of the filter is
A.
5 × 10-6 cos(8π × 103)t
B.
5 × 10-5 cos(8π × 103)t
C.
5 × 10-1 cos(8π × 103)t
Answer
D.
10cos(8π × 103)t

Answer: Option C

Solution

Answer: Option C
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