GATE Electronics and Communications (EC) 2014 Shift 1 Solved Paper

Question : 28 of 65

Marks: +1, -0

Consider two real valued signals, x(t) band-limited to [- 500 Hz, 500 Hz] and y(t) band-limited to [-1 kHz, 1 kHz]. For z(t) = x(t)⋅y(t), the Nyquist sampling frequency (in kHz) is ______.