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Previous Year Exam Questions for Analog And Digital Electronics - ADE of 2018 - CEC by Bput Toppers

  • Analog And Digital Electronics - ADE
  • 2018
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Civil Engineering
  • B.Tech
  • 14 Offline Downloads
  • Uploaded 1 year ago
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Registration No : Total Number of Pages : 02 B.Tech. FEEC2216 4th Semester Back Examination 2017-18 ANALOG AND DIGITAL ELECTRONICS BRANCH : CIVIL Time : 3 Hours Max Marks : 70 Q.CODE : C998 Answer Question No.1 which is compulsory and any five from the rest. The figures in the right hand margin indicate marks. Answer all parts of a question at a place. Q1 a) b) c) d) e) f) g) h) i) j) Answer the following questions: What is Zener breakdown? Draw the block diagram of Regulated Power Supply. Draw the transistor hybrid model. Classify large signal amplifiers. What is cross over distortion? What is Barkhausen criterion? What is a PLL? What are the ideal characteristics of OP-Amp? Compare dual slope and successive approximation ADC’s. What are the applications of IC 555? (2 x 10) Q2 a) b) Explain the switching characteristics of a diode with a neat diagram. Draw the frequency response of an amplifier and calculate the bandwidth if fL = 10 Hz and fH = 1.9 M Hz. (5) (5) Q3 a) With a neat circuit diagram explain the operation of a class B push pull (5) amplifier. Q4 b) With a neat circuit diagram explain the operation of a UJT oscillator. (5) a) Classify feedback circuits and explain the effects of negative feed back (5) circuits. Q5 b) What are the applications of an Operational Amplifier? (5) a) Draw the truth table of a 2 bit binary adder and explain with a neat logic (5) diagram. Q6 b) Compare RAM and ROM. (5) a) Reduce the following function using Karnaugh map method. (5) F( A,B,C,D) = ∑ m ( 1, 3, 7, 11, 15) + ∑ d (0, 2, 4)

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b) Q7 Q8 With a neat diagram explain the operation of successive approximation ADC. (5) Draw the internal circuit diagram of IC 555 and explain its operation. (10) a) Write short answer on any TWO : Regulated Power supply b) Power amplifiers c) Programmable Logic Arrays d) Multivibrators (5 x 2)

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