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EC8453 Important Questions Linear Integrated Circuits EC8453 Important Questions Linear Integrated Circuits Regulation 2017 Anna University free download. Linear Integrated Circuits Important Questions EC8453 pdf free download. Sample EC8453 Important Questions Linear Integrated Circuits Define and explain slew rate. Derive its equation. Also explain method adapted to improving slew rate. (i) Write down the characteristics and their respective values of an ideal operational amplifier. (ii) Draw the circuit of basic current mirror and explain its operation.  EC8453 Important Questions Linear Integrated Circuits (i) Describe about output offset voltage. Explain methods to nullify offset voltage. (ii) With neat circuit diagram, explain the operation of voltage reference circuit using temperature compensation. (i) Discuss on current mirror with magnification. (ii) Use appropriate block diagram, explain the general stages of an Op-Amp IC. (i) What is input and output voltage and current off...

EC8451 Important questions Electromagnetic Fields EC8451 Important questions Electromagnetic Fields Regulation 2017 Anna University free download. Electromagnetic Fields Important questions EC8451 pdf free download. Sample EC8451 Important questions Electromagnetic Fields 1. List the source quantities in the electromagnetic model. 2. Describe line, surface and volume charge density. 3. State divergence theorem. 4. Define Stokes theorem.  EC8451 Important questions Electromagnetic Fields 5. Name the universal constants in the electromagnetic model. 6. What are surface and volume integrals? 7. Give the relationship between potential and electric field intensity. 8. Identify the unit vector and its magnitude corresponding to the given vector A=5 âx + ây + 3 âz.  EC8451 Important questions Electromagnetic Fields 9. Estimate the distance between the given vectors A (1, 2,3) and B (2,1,2). 10. Outline the relationship between magnetic flux density and field density. 11. Calculate the values ...

EC8491 Important Questions Communication Theory EC8491 Important Questions  Communication Theory Regulation 2017 Anna University free download. Communication Theory Important Questions EC8491 pdf free download. Sample EC8491 Important Questions  Communication Theory 1. What is pre envelope and complex envelope? 2. Give the advantages of VSB-AM. 3. State heterodyning principle.   EC8491 Important Questions  Communication Theory Mention the advantages of modulating low frequency signal into high frequency signal. 5. List the types of AM modulators. 6. Define Coherent Detection. 7. Why do you need modulation in communication systems? 8. Identify the differences between single sideband and vestigial sideband systems.  EC8491 Important Questions  Communication Theory 9. Write about diagonal clipping and negative peak clipping? Suggest a modulation scheme for broadcast video transmission. Apply the concepts of sensitivity and selectivity in AM receiver.  EC8491 IQ Communication Theory Draw t...

EC8452 Important Questions Electronic Circuits 2 EC8452 Important Questions Electronic Circuits 2 Regulation 2017 Anna University free download. Electronic Circuits 2 Important Questions EC8452 pdf free download. Sample EC8452 Important Questions Electronic Circuits 2 1. Define positive and negative feedback. 2. List the effect of negative feedback on the noise and bandwidth of an amplifier. 3. State sensitivity and de-sensitivity of gain in feedback amplifiers. 4. A negative feedback amplifier has a bandwidth of 250 KHz and desensitivity factor of 4. What is the bandwidth of the basic amplifier without feedback? 5. Tabulate the input and output resistances of a negative feedback amplifier. EC8452 Important Questions Electronic Circuits 2 6. Draw the magnitude and phase angle plot of three stage amplifier. 7. Outline the loop gain or return ratio of feedback amplifier. 8. Discuss the advantages of negative feedback in amplifiers. 9. Express the reason for negative feedback which increa...

MA8451 Important Questions Probability and Random Processes MA8451 Important Questions Probability and Random Processes Regulation 2017 Anna University free download. Probability and Random Processes Important Questions MA8451 pdf free download. Short Name PRP Sample MA8451 Important Questions Probability and Random Processes If the probability density function of a random variable X is f(x) = ¼ in – 2 < x < 2 find P(|𝑥| > 1) If X is a geometric variate, taking values 1,2,3…..∞, 𝑓𝑖𝑛𝑑 𝑃(𝑋 𝑖𝑠 𝑜𝑑𝑑) State the memory less property of the exponential distribution.  MA8451 Important Questions Probability and Random Processes The mean and variance of binomial distribution are 5 and 4 Find the distribution of X. The mean of Binomial distribution is 20 and standard deviation is 4. Find the parameters of the distribution. If the events A and B are independent then show that 𝐴̅ and 𝐵 ̅ are independent. Find the Moment generating function of a continuous random variable   MA8...