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Pune University - Sem - I : Analog Circuit Design & Analysis, April 2010

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Total No. of Questions : 5] P1155 [Total No. of Pages : 3 [3729]- 102 M.Sc. ELECTRONIC SCIENCE EL1 UT 02 : Analog Circuit Design and Analysis (New Course) (2008 Pattern) (Sem. - I) Time : 3 Hours] Instructions to the candidates: 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Draw neat diagrams wherever necessary. 4) Use of log table, non-programmable calculator is allowed. [Max. Marks : 80 Q1) Solve any two : a) i) ii) b) i) ii) c) i) ii) Define Laplace transform. Explain following theorems regarding Laplace transform. Transform of first derivative. Laplace transform of linear combinations. [4] What are the advantages of Laplace transformation over classical method? What are its applications. [4] What is a two port network? Explain what are its transmission and admittance parameters? [4] What is an attenuator? What is its use? Draw the circuit of symmetrical - attenuator and give its design equations. [4] Design an inverting amplifier with a gain of 15. It must have an input impedance of 10 k . How would you estimate its offset error? [4] A voltage V(t) = 6 e 2t is applied at time t = 0 to a series RL circuit with R = 3 ohm and L = 1 henry. Obtain complete solution for current i(t) in the circuit using Laplace transformation. Assume zero current through L before application of voltage. [4] Q2) Solve any two : a) i) ii) Define the terms open loop gain, loop gain and closed loop gain of an operational amplifier. What is gain error factor. [4] Explain applications of constant current source in discrete circuits as well as in internal circuit of op-amp. [4] P.T.O.

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Additional Info : M.Sc. Electronic Science, EL1 UT 02 : Analog Circuit Design and Analysis ( New Course) (2008 Pattern) (Semister - I), Pune University
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