Kurukshetra University 2009 B.Tech Electronics and Communications Engineering Netwok analysis and synthesis - Question Paper

NETWOK ANALYSIS AND SYNTHESIS
PAPER :-EE-203 E

Roll No. *

BT-3/D<)y

NETWORK ANALYSIS AND SYNTHESIS Paper : EE-203(E)

Roll No. *

[Maximum Marks ; 100

Nule : Attempt any fire questions, selecting at least one question from each unit* All questions cany equal marks.

LJNIT-I

I. (a) Establish a relationship bclween Fundamental circuit and Fundamental cutset matrix.

(It) Draw an oriented graph lor the network of Fig. 1 and develops KVL and KCL equation in matrix form using fundamental dieuit and cutset matrices.

C.

nmr

Fig. I

Assume al! element values to be unity with appropriate

ft+12

(P.T.O-

(a) The switch is suddenly moved    to 2 at

an instant when the current in the network of Fig. 2 is 4A and the voltage across the capacitor is 9V. Draw the transformed circuit after the switching operation and hence or otherwise calculate the current ((/) for ( > 0,

1

f = D

Fig. 2

{b) Unit impulse response of a circuit is e~K Determine the response of this circuit il input is [ti{() + u(t - 2}].

12+S

UNIT-11

3. Determine transfer function G(j.> =

shown in Fig, 3,

(a)    '"flow frequency domain behaviour of a transfer function

can be obtained from the location of its pules anti zero's in the complex frequency plane?

(b)    Plot pole-zeno config unit ion for ihe following network function

s + I

G (s) =

s¹ + .la- + 2

JJ the network is excited by a source of value cost find the response of ihe network graphically?    8+12

iTNiT-m

(a) Define and determine Z and Y parameters for the symmetrical T network shown in Fig. 4.

2'

Fijj, 4

(b> Determine Y-parameters for The network of Fig, 5 using the knowledge gained in part (a).    

Derive re I at ion ship between Transmission and Open circuit parameters of a 2-port nciwork. Prove ihal AD - BC = J for reciprocal passive networks.

Find (ransmission parameters for network of Fig. fi, MU

-Wv-- -

-Wr

12

211

Fig. 6.

UNIT-VI

7. Design a constant-K high-pass filler section having " f_c"= I kH? and a load of dtKT Q! Calculate a and jl of your filler at 0. 500. 1000, 1500 and 2000 Hz, Derive relations used.    20

8, State line properties of L-C driving point impedance function, Show lhal the following impedance satisfies nil the properties staled anil synthesize it in two faster forms:

sis² +2) s* + I Mr + 3}

8l2GmOO/KD/W1    A

Attachment: kurukshetra-university-2009-b-tech-electronics-and-communications-engineering-47910-1.pdf

Earning:   Approval pending.