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EC-405 · Analog Circuits/Official Syllabus

Analog Circuits (EC-405) - Official Syllabus

1
Unit 1

Feedback Amplifier and Oscillators

  • Concept of feedback and their types
  • Amplifier with negative feedback and its advantages
  • Feedback Topologies
  • Concept of Positive feedback
  • Classification of Oscillators
  • Barkhausen criterion
  • Types of oscillators: RC oscillator, RC Phase Shift, Wien Bridge Oscillators
  • LC Oscillator: Hartley, Colpitt’s, Clapp and Crystal oscillator
2
Unit 2

Introduction to integrated circuits and Operational Amplifier

  • Introduction to integrated circuits: Advantages and characteristic parameters of IC’s, basic building components, data sheets
  • Operational Amplifier: Differential amplifier and analysis
  • Configurations- Dual input balanced output differential amplifier, Dual input Unbalanced output differential amplifier, Single input balanced output differential amplifier, Single input Unbalanced output differential amplifier
  • Introduction of op-amp, Block diagram, characteristics and equivalent circuits of an ideal opamp
  • Power supply configurations for OP-AMP
  • Characteristics of op-amp:Ideal and Practical, Input offset voltage, offset current, Input bias current, Output offset voltage, thermal drift, Effect of variation in power supply voltage
  • common-mode rejection ratio (CMRR), Slew rate and its Effect, PSRR and gain bandwidth product
  • frequency limitations and compensations, transient response, analysis of TL082 datasheet
3
Unit 3

OP-AMP applications

  • Inverting and non-inverting amplifier configurations
  • Summing amplifier
  • Integrators and differentiators
  • Instrumentation amplifier
  • Differential input and differential output amplifier
  • Voltage-series feedback amplifier, Voltage-shunt feedback amplifier
  • Log/ Antilog amplifier
  • Triangular/rectangular wave generator
  • phase-shift oscillators, Wein bridge oscillator
  • analog multiplier-MPY634, VCO, Comparator, Zero Crossing Detector
4
Unit 4

OP-AMP AS FILTERS

  • Characteristics of filters, Classification of filters
  • Magnitude and frequency response
  • Butterworth 1st and 2nd order Low pass, High pass and band pass filters
  • Chebyshev filter characteristics
  • Band reject filters, Notch filter; all pass filters, self-tuned filters
  • AGC,AVC using op-AMP
5
Unit 5

TIMER and Voltage Regulator

  • IC-555 Timer concept, Block pin configuration of timer
  • Monostable, Bistable and AstableMultivibrator using timer 555-IC
  • Schmitt Trigger, Voltage limiters, Clipper and clampers circuits
  • Absolute value output circuit, Peak detector, Sample and hold Circuit, Precision rectifiers
  • Voltage-to-current converter, Current-to-voltage converter
  • Voltage Regulator: simple OP-AMP Voltage regulator, Fixed and Adjustable Voltage Regulators
  • Dual Power supply, Basic Switching Regulator and characteristics of standard regulator ICs such as linear regulator, Switching regulator andlow-drop out regulator
  • Study of LM317, TPS40200 and TPS7250

Laboratory Experiments

  • To measure and compare the op-amp characteristics: offset voltages, bias currents, CMRR, Slew Rate of OPAMP LM741 and TL082.
  • To determine voltage gain and frequency response of inverting and non-inverting amplifiers using TL082.
  • To design an instrumentation amplifier and determine its voltage gain using TL082.
  • To design op-amp integrator (low pass filter) and determine its frequency response.
  • To design op-amp differentiator (high pass filter) and determine its frequency response.
  • Design 2nd order Butterworth filter using universal active filter topology with LM741
  • To design Astable, Monostable and Bistablemultivibrator using 555 and analyse its characteristics.
  • Automatic Gain Control (AGC) Automatic Volume Control (AVC)using multiplier MPY634
  • To design a PLL using opampwith MPY634 anddetermine the free running frequency, the capture range and the lock in range of PLL
  • Design and test a Low Dropout regulator using op-amps for a given voltage regulation characteristic and compare the characteristics with TPS7250 IC.

Reference Books

  • Operational Amplifiers & Linear ICs — David A. Bell — Oxford University Press — 2nd edition, 2010
  • Linear Integrated Circuits — D. Roy Choudhury — New Age Publication
  • Linear Integrated Circuits analysis design and application — B. Somanathan Nair — Wiley India Pvt. Ltd.
  • Analog Electronics — Maheshwary, Anand — PHI
  • Linear Integrated Circuits — S.Salivahanan, V S KanchanaBhaaskaran — McGraw Hill — second edition
  • Analysis and design of analog Integrated Circuits — Gray, Hurst, Lewis, Meyer — Wiley India — fifth edition
  • Operational Amplifiers and Linear Integrated Circuits — RobertF.Coughlin, Frederick,F.Driscoll — Pearson — sixth edition
  • Integrated electronics — Millman, Halkias — TMH
  • Electronic Devices and Circuit Theory — Boylestad, Nashelsky — Pearson Education
  • Microelectronics — Sedra, Smith — Oxford Press
  • OP- Amp and linear Integrated circuits — RamakantA.Gaikward — Pearson — Third edition 2006
  • Linear Integrated Circuits — B. Visvesvara Rao — Pearson
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