SRM University 2007 B.Tech Electronics and Communications Engineering BANK EC207 NETWORK ANALYSIS AND SYNTHESIS - Question Paper

12. Write any 4 conditions for transfer functions.
13. What is the stability criteria for a network.
14. According to Routh Criteria when a network is stated to be stable?
15. What is condition for number for positive real roots from the Routh criteria?
16. Find the stability of the network Q(S) S3 +2S2+8S+1-.
17. Draw the pole and zero diagram for the network function provided beneath.

18. Plot the pole zero trend for the subsequent network functions.

19. Plot the pole zero trend for the subsequent network function

20. Plot the pole zero trend for the subsequent network function.






PART - B
1. Write the necessary conditions for (a) Driving point function (b) Transfer function.
2. For the network shown in the figure beneath determine the transfer functions G21 (S) and Z21(S). Also obtain Z11(S).

3. For the provided network function, draw the pole zero diagram and hence find the time domain response 1(t)

4. Apply Routh criteria to the subsequent denominator formula and determine the number of roots with (i) positive real pats (ii) with zero real parts (iii) with negative real parts. Also explain about the stability of the network.
Q(s)=S6-S5-2S4+4S3-5S2+21S+30
5. For the network shown in the figure, obtain G12 = V2/V1 and Z12 = V2 / I1.

6. For the subsequent network function . obtain the output voltage using pole zero trend if the input voltage is
7. For the network shown in figure(1) pole zero trend has been represented in figure (2), obtain the numerical values of R,L and C. provided Z(O)=1.

8. For the network shown in the figure, obtain in every case.

9. Determine , for every of the circuits shown in the figure.

10. For the RC network shown in figure, obtain the driving point input impedence Z11. Plot the pole zero plot of this network function.




UNIT – III
PART -A
1. What is a port?
2. What are two port networks
3. Define active and passive ports
4. Why Z-parameters are called as open circuit impedence (Z) parameter.
5. Define driving point impedence at port one with port two open.
6. Define open circuit forward transfer impedence.
7. Give the condition for reciprocly for Z parameters.
8. Why Y parameters are called as short circuit admittance parameters.
9. What are called as sending end and receiving end in case of ABCD parameters.
10. What are the applications of cascaded ABCD parameters.

Earning:   Approval pending.