a)
b)

a)

b)

b)

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47010

transformation. (Take T = 1)
PART C
Answer any two full questions, each carries 20 marks.
Find the lattice structure implementation of FIR filter h[n] = {1, 0.5, 0.75, -0.6}
Draw the direct form II structure and transposed direct form II structure of

-1_ 2
‏ےر و رھش‎
Draw the block diagram of TMS320C67XX and briefly explain the function of
each block.

Draw the direct form realization of linear phase FIR filter

h[n] = {1, 0.5, 0.25, -0.5, 0.8, -0.5, 0.25, 0.5, 1] using minimum multipliers.

Draw the signal flow graphs ofdirect form 11 and cascade form structures

भ ‏یق‎ ತ್ರ eee ee 1_
(1-0.6271+0.8272) (140.82-1-0.72- 2)

Explain the effects of coefficient quantization in 118 and FIR filters.

Give the output of decimation by M system in time domain. Explain output
frequency spectrum. What is the importance of low pass filtering prior to down-
sampling?

How does a floating-point number represented in a processor? Explain the
operations of addition and multiplication of two floating point numbers with
examples.

Derive the variance of quantization noise in ADC with step size A. (Assume

quantization noise has uniform distributed pdf with zero mean)

aK KK

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