Posts

Showing posts with the label question bank

EC8453 Question Bank Linear Integrated Circuits Regulation 2017 Anna University

EC8453 Question Bank Linear Integrated Circuits EC8453 Question Bank Linear Integrated Circuits Regulation 2017 Anna University free download. Linear Integrated Circuits Question Bank EC8453 pdf free download. Sample EC8453 Question Bank Linear Integrated Circuits (i) Derive the functional parameters for an inverting mode negative feedback gain circuit with a 741op-amp in IC inverting mode, with R1=1Kohm, Rf=40Kohm and compute Af, Rif, Rof, BW, offset voltage. (ii) Discuss briefly on the differential mode Instrumentation amplifier.  EC8453 Question Bank Linear Integrated Circuits Examine the working principle of BJT differential amplifier with active load. (i) Compose the concept of Widlar current source used in op-amp circuit with suitable circuit diagram and necessary equations. (ii) Justify the preference of active load over passive load. Write note about LF155 JFET input operational amplifier and TL082 wide bandwidth dual JFET input operational amplifier with necessary diagram.  EC...

EC8451 Question Bank Electromagnetic Fields Regulation 2017 Anna University

EC8451 Question Bank Electromagnetic Fields EC8451 Question Bank Electromagnetic Fields Regulation 2017 Anna University free download. Electromagnetic Fields Question Bank EC8451 pdf free download. Sample EC8451 Question Bank Electromagnetic Fields Obtain the expressions for differential area and volume element in cylindrical coordinate system. (13) 7. Analyze the geometrical position of the point in Cartesian coordinate system and obtain the algebraic equations. (13) 8. Express the space rate of change of a scalar in a given direction in terms of its gradient. (13) 9. Apply divergence theorem to find the divergence of the vector field in curvilinear coordinate system. (13) EC8451 Question Bank Electromagnetic Fields 10. State and prove divergence theorem for a given differential volume element. (13) 11. Assess the position of the vector field in spherical coordinate system and derive the expressions for differential areas. (13) 12. Explain the difference between irrotational and solen...

EC8491 Question Bank Communication Theory Regulation 2017 Anna University

EC8491 Question Bank Communication Theory EC8491 Question Bank Communication Theory Regulation 2017 Anna University free download. Communication Theory Question Bank EC8491 pdf free download. Sample EC8491 Question Bank  Communication Theory (i) Outline the function of switching modulator in the generation of AM signal. (7) (ii) The tuned circuit of the oscillator in a simple AM transmitter employs a 40μH coil and 12nF capacitor. If the oscillator output is modulated by audio frequency of 5KHz, what are the lower and upper sideband frequencies and the bandwidth required.  EC8491 Question Bank Communication Theory (i) Demonstrate the concepts of envelope detection for demodulation of AM and explain its operation. (7) (ii)Illustrate non coherent tuned radio frequency receiver. Give main idea about super heterodyne receiver with neat block diagram and explain the various parameters. (13) Identify the need for carrier suppression in AM system?  EC8491 Question Bank Communication Theory Dra...

EC8452 Question Bank Electronic Circuits 2 Regulation 2017 Anna University

EC8452 Question Bank Electronic Circuits 2 EC8452 Question Bank Electronic Circuits 2 Regulation 2017 Anna University free download. Electronic Circuits 2 Question Bank EC8452 pdf free download. Sample EC8452 Question Bank Electronic Circuits 2 1. Write a brief note on expressions for gain with positive and negative feedback. (13) 2. List the effects of negative feedback on stability, distortion, noise, input and output impedance of a feedback amplifier. (13) 3. (i) Identify the effect of negative feedback on the bandwidth and harmonic distortion of an amplifier. (7) (ii) A negative feedback amplifier has an open loop gain of 60000 and a closed loop gain of 300. If the open loop upper cut off frequency is 15KHz, Choose the closed loop upper cutoff frequency. Also, calculate the total harmonic distortion with feedback if there is 10% harmonic distortion without feedback. (6)  EC8452 Question Bank Electronic Circuits 2 4. (i) A voltage-series negative feedback amplifier has a voltage gai...

MA8451 Question Bank Probability and Random Processes Regulation 2017 Anna University

MA8451 Question Bank Probability and Random Processes MA8451 Question Bank Probability and Random Processes Regulation 2017 Anna University free download. Probability and Random Processes Question Bank MA8451 pdf free download. Short Name PRP Sample MA8451 Question Bank Probability and Random Processes A bolt is manufactured by 3 machines A, B, and C. A turns out twice as many items as B and machines B and C produce equal number of items. 2% of bolts produced by A and B are defective and 4% of bolts produced by C are defective. All bolts are put into 1 stock pile and 1 is chosen from this pile. What is the probability that it is defective? Find the moment generating function of a geometric random variable. Also find its mean..  MA8451 Question Bank Probability and Random Processes The probability distribution of an infinite discrete distribution is given by P[ X = j ] = 1 2𝑗 ( j = 1,2,3…) Find (1)Mean of X, (2)P [X is even],(3) P(X is odd) Find the MGF of Poisson distribution and henc...