a)

b)

a)
b)

0)

a)

b)

06000EC301122003

PART C
Answer any two full questions, each carries 20 marks.

3+3.627140.6 2-2

Realise the system given by H(z) = [द्र

in cascade form and parallel

form.
Explain transposed form of filter structure. Realise the system y(n) = 002 (11) +

b,x(n — 1) + 02201 - 2) — ayy(n — 1) — agy(n — 2) in transposed form.
Explain decimation and interpolation.

Explain effects of coefficient quantisation in FIR and IR filters.

Why lowpass filtering is performed before down sampling? How will you decide
the cutoff frequency of the low pass filter?

Explain the architecture of TMS320C67XX DSP processor with a neat diagram.

1+2z71

—— in Direct form 1 and 2.
1-1.52-1+0 ‏2و‎ 0 0

Realise the transfer function H(z) =
Compare the number of delay elements, adders and multipliers needed in both

cases.

Page 2 of 2

(10)

(10)

(6)
(7)
(7)

(10)
(10)