K.S.G.B.S’S
BHARAT RATNA INDIRA GANDHI COLLEGE OF ENGINEERING
KEGAON, SOLAPUR
DEPARTMENT OF ELECTRONICS & TELECOMMUNICATION ENGINEERING
CA-2 Test
Course: B.Tech DSE (IV Semester)
I.
Answer Any 4 questions only
1.
2.
3.
4.
5.
II.
Branch: E&TC
3x4=8
Define convolution sum and integral
Explain the steps for finding the convolution of continuous time signal
Derive the step response in terms of impulse response
Define the Fourier series and write the its formula
Explain the Dirichlet condition for existence of Fourier series
Answer Any 3 questions only
4x3=12
1. Explain the properties of Convolution
2. Explain the properties of Fourier series
3. Find the convolution integral of following signal
x(n) =(1,1,0,1,1)
h(n) =(1,-2,-3,4)
4. Find the trigonometric Fourier series of following signal
x(t) = 1-t
0<t<1
t-1
0<t<1
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