a. Obtain ೩ 8 point DFT of the sequence x(n)={I,2,2,2,1,0,0,0} using radix 2 DIF
FFT Algorithm. (7 marks)

Find the stability of the system whose impulse response is :}{n)=2"u
(2 marks)
PART 13
Design the band-pass linear phase FIR filter having cut-off frequencies of

മു = 1 rad/sample and —2 rad/sample. Obtain the unit sample response
through following window. I 00 >
O(n) | = 0 elsewhere

Also, obtain tH magnitude/frequency response. (9 marks)

a. Briefly explain about quantization errors introduced due to truncation and
rounding. (6 marks)

Compare FIR and IIR filters (3 marks)

a. Obtain H(z) using the Impulse invariant technique for an analog system
function which is given by:

1
Ha(s) = (s+0.5)(s?+0.5s+2) (6 marks)
Briefly explain about Discrete Fourier Transform Computations. (3 marks)

PART ^

a. Briefly explain the functional block diagram of TMS320F240 digital signal
processor. (8 marks)

Differentiate between STFT and WiY ler distribution. )4 marks)

a. Explain the sampling rate increase by an integer factor I and derive the input
and output relationship in both time and frequency domains. (7 marks)

Briefly explain the design of Phase shifters (5 marks)

2