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6 a) A low pass filter has the desired frequency response: (8)
()- _0<<
2
~ =<< 0
2
Determine h(n) based on frequency sampling technique.
b) For the given specification, design an analogButterworth filter (7)
0.9| ട്രി 51 | 0
|) 50.2 | 0.4 2
PART ^

Answer any two full questions, each carries 20 marks
7 2) Draw the direct form-I and direct ‏ليسم‎ structures for a system described by the (10)
difference equation ()=()+ (-1)+3(-1)-(2-2).
b) Write short notes on any two finite word length effects in DSP systems with (10)

examples.
8 a) Draw and explain the internal architecture of TMS320C67XX digital signal (10) processor.

b) Consider a signal ( )=()().Obtain the signals with: (5)
2
i) Decimation factor 3 ii) Interpolation factor 3
c) The signal 0-0 applied to a decimator that decimates the input (5) signal by a

factor of 2.Find the spectrum of the output and plot it.

9 2) Draw the ie ade form structure for a discrete time sequence described (5)
1 £27
त 1__
by: 44 = ٥۶
ತ 17-2 3 - -
Hz 12 1 az 2 az ಹೆ 4
b) Realise a FIR system with function ()=1++ ++. (5)

c) Write short notes on finite word length effect in IIR digital filters. (10) ****

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