UPPCL AE EE: Signals & Systems Quiz 5

A band pass filter has a lower cut off frequency of 3 MHz and upper cut off frequency of 7 MHz. What is the value of minimum sampling frequency of output?

Consider the following statements regarding FIR and IIR filters:

1) FIR filters can achieve exactly linear phase while IIR have non-linear phase.

2) FIR filters are always stable.

3) FIR filter responses are less sensitive to coefficient variation.

Which of the above statements are correct?

Find the z-transform of aⁿu(n).

 transform of unit step function is given by

A signal having a spectrum ranging from dc to 10 KHz Is to be sampled and converted into discrete form. What is the minimum number of samples per second that must be taken to ensure recovery?

Determine the transfer function by the following difference equation:

y[n] – 3y[n + 1] = 2x [n + 1]

The discrete time signal . The unilateral z transform of the signal is

Given  Determine the residue of f(z) at z=2

The Z-transform of a sequence x(n) having support interval is: