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Download JNTUA B.Tech 4-2 R13 2017 April Regular 13A04804 RF Integrated Circuits Question Paper

Download JNTUA (JNTU Anantapur) B.Tech R13 (Bachelor of Technology) 4th Year 2nd Semester 2017 April Regular 13A04804 RF Integrated Circuits Previous Question Paper || Download B-Tech 4th Year 2nd Sem 13A04804 RF Integrated Circuits Question Paper || JNTU Anantapur B.Tech 4-2 Previous Question Paper || JNTU Anantapur B.Tech ME 4-2 Previous Question Paper || JNTU Anantapur B.Tech CSE 4-2 Previous Question Paper || JNTU Anantapur B.Tech Mech 4-2 Previous Question Paper || JNTU Anantapur B.Tech EEE 4-2 Previous Question Paper || JNTU Anantapur B.Tech ECE 4-2 Previous Question Paper

This post was last modified on 10 September 2020

Tags:JNTU AnantapurB-Tech4-2Last 10 YearsQuestion Papers2010-2020All RegulationsAll Branches4th Year 2nd SemR132017 AprilRegularRF Integrated Circuits13A04804PDFDownload
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JNTU Anantapur B-Tech 4-2 last 10 year question papers 2010 -2020 -All regulation- All branches- 4th Year 2nd Sem


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Code: 13A04804

Time: 3 hours

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B.Tech IV Year II Semester (R13) Regular Examinations April 2017

RF INTEGRATED CIRCUITS

(Electronics and Communication Engineering)

PART - A

(Compulsory Question)

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Answer the following: (10 X 02 = 20 Marks)

  1. What are the conditions for resonance in parallel RLC network?
  2. What is skin effect?
  3. Define reflection coefficient.
  4. State the relation between bandwidth and rise time for first order system.

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  5. Write a note on excess noise.
  6. What is the advantage of sub sampling mixer?
  7. List the applications of PLL.
  8. Why is the isolator placed at the output of the amplifier?
  9. Write a note on ring oscillator.

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  10. Define frequency synthesizer.

PART - B

(Answer all five units, 5 X 10 = 50 Marks)

UNIT - I

  1. Explain in detail about the architecture of Radio Frequency system.

    OR

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    Explain transmission medium and reflections in radio system.

UNIT - II

  1. Briefly explain the mixer design considerations.
  2. Discuss in detail about FLICKER noise in MOSFETs.

    OR

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UNIT - III

  1. Explain in detail about class F amplifiers.
  2. Prove that a long channel MOSFET transconductance depends only on the square root of bias current.

UNIT - IV

  1. Discuss the method of short circuit time constant for estimating the bandwidth of the system

    OR

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UNIT - V

  1. Explain about different negative resistance oscillators with neat sketch.
  2. Explain the method of frequency synthesis using fractional - N synthesizers.

    OR

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  3. Draw the block diagram of UMTS radio architecture and explain in detail.

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Max. Marks: 70


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This post was last modified on 10 September 2020