analysis and synthesis of network (PAPER 1) by SURESH KUMAR ........sureshkumarthegr4at@yahoo.com

                                                EC-203
                               Electronic Devices and Circuits
                                (B.Tech 3rd Semester, 2122)
Time : 3 Hours                                                                                  Maximum Marks : 60
NOTE:- This paper consist of Three Sections. Section A is compulsory. Do any Four questions from
                 Section B and any two questions from Section C

                                   Section-A                                       Marks : 2 Each
1 (a) Define maximum power transfer theorem.
   (b) Define convolution theorem.
   (c) Define ideal and practical current source.
   (d) Waht are the limitations of K-type of filters?
   (e) What are the resistrictions on the location of poles and zeros for driving point functions?
   (f) What are values of inductances and capacitances in m derived band pass filters?
   (g) Discuss shifting therem in s domain.
   (h) Synthezis as y(s) :

ANALYSIS AND SYNTHESIS OF NETWORK

PAPER NO.1

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PUT ON 18TH DEC., 2K2

(i) The waveform of current flowing through the inductor of 6 mh is as shown :

Determine and sketch waveforms for power and voltage.
(j) Assume that prier to closing of switch k (at t = 0) there was no voltage across capacitince nor in inductor.
Find :

Section-B Marks : 5 Each
2. Apply thevenin theorem to find current in ab of the following circuit :

Also verify the same using Nodal Method.
3. Determine the value of m, resonant frequency and design impedence for the following filter:

4. realize the driving point impedence as Cavers first and secound form

5. Derive expression for attenuation, propagation cofficient and characteristic impedence for T section filter.
6. The switch k is opened at time t=0, steady state conditions have been established earlier to switching operation.
Find expression for decay of current.

                                           Section-C                                            Marks : 10 Each
7. Define and classify filters. Giving important properties, explain K type filters. Also explin composite filters.
8. What are important parameters for realizable transfer/driving point functions ? Explin in detail.
9. Write short on the following:
     (a) Time domain behaviour from Poles and Zeros
     (b) Network functions for two terminal pair network.