UEC301

Analog Electronics

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Quiz Marks
May 26, 2018
  • Quiz marks are uploaded.
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    • Quiz marks
    EST Answer Sheets
    May 23, 2018
  • To check Evaluated EST answer scripts follow below schedule:
  • Date/Time : June 2, 2018 — 11am
  • Venue : Fibre Optics Lab (FOC).
    • After MST Quiz
    May 2, 2018
  • Date : May 2, 2018
  • Time : 5 pm
  • Location : B-block (B301 - B308)
    • Lab Manuals
    May 2, 2018
  • Lab manuals 8 to 11 are uploaded.
  • Website now has :
  • all Lab Manuals,
  • all tutorial sheets with solutions.
    • Tutorial Solutions
    May 1, 2018
  • Solutions to all Tutorial sheets are uploaded.*
  • *For solutions to Tutorial sheet 8 & 9, refer textbook as mentioned in the sheet.
    • MST Answer Scripts
    April 3, 2018
  • Dr Sanjay Kumar's lect. grps 5:00 pm
  • Dr Hardeep Singh's lect. grps 5:30 pm
  • Dr Hemdutt Joshi's lect. grps 6:00 pm
  • Dr Vinay Kumar's lect. grps 6:30 pm

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    Course handout

    This covers the complete syllabus of UEC301 course.

    Course objective:

    • The aim of this course is to familiarize the student with the analysis and design of basic transistor amplifier circuits, oscillators and wave shaping circuits.

    Course learning outcome (CLO): The student will be able to:

    • Analyze different biasing circuits and low frequency response of an amplifier using h parameters.
    • Develop an ability to analyse high frequency transistor model.
    • Explain various multistage and power amplifier configurations.
    • Explain the concept of feedback and its characteristics.
    • Explain the principles of oscillation and design various oscillator circuits.
    • Analyse various filters and multi-vibrators circuits.

    Detailed Syllabus:

    • Transistor Biasing: The Operating Point, Biasing Stability, Self-Biasing or Emitter Bias, Stabilization against Variations in ICO, VBE, and β, Bias Compensation, Transistor at Low Frequencies: h parameter, simplified CE hybrid model, analysis of a transistor amplifier circuit using h parameter.
    • Transistor at High Frequencies: The Hybrid-pi (II) Common-emitter Transistor Model, Hybrid-II conductances, The Hybrid-II Capacitances, analysis of a transistor amplifier circuit at high frequencies.
    • Multistage Amplifiers: Classification of amplifiers, Distortion in amplifiers, Frequency response of an amplifier. The RC-coupled amplifier, Low-frequency response of an RC-coupled stage, Effect of an emitter Bypass capacitor on low-frequency response.Class A, B, AB, Push pull & Class C amplifiers, Comparison of their Efficiencies, Types of distortion.
    • Feedback Amplifiers: Classification of Amplifiers, The feedback concept, The transfer gain with feedback, General characteristics of negative-feedback amplifiers, Input resistance, Output resistance, Block diagrams of Voltage-series feedback, Current-series feedback, Current-shunt feedback, Voltage-shunt feedback.
    • Stability and Oscillators: Sinusoidal Oscillator, The phase-shift oscillator, Resonant-circuit oscillators, A General form of oscillator circuit, The Wien Bridge oscillator, Crystal oscillator, Frequency Stability.
    • Wave shaping circuits: Multi-vibrators (Astable, Mono-stable, Bi-Stable), High pass and low pass filters using R-C Circuits and R-L, R-L-C Circuits & their response to step input, Pulse input, Square input and Ramp Input, Attenuators.

    Laboratory: Frequency response analysis of RC coupled amplifier, Tuned amplifiers, Push-pull amplifier, Feedback amplifier.Hartley and Colpitts Oscillator. RC Phase shift oscillator. Study of Multi-vibrators (Astable, Mono-stable, Bi-stable Multi-vibrator). Clipper and Clamper circuit, Schmitt Trigger.

    Text Books:

    1. Milliman, J. and Halkias, C.C., Intergrated Electronics, Tata McGraw Hill (2007).
    2. Milliman, J. &Taub, H., Pulse, Digital and switching waveforms, Tata McGraw Hill (2007).

    Reference Books:

    1. Malvino, L., Electronic principles, Tata McGraw Hill (1998).
    2. Cathey, J. J., 2000 Solved Examples in Electronics, McGraw Hill (1991).

    Marks Distribution

    # Examination Marks
    1 LAB15
    2 QUIZ20
    3 TUT05
    4 MST24
    5 EST36
    T O T A L :1 0 0

    Tutorial Sheets

    Course tutorial sheets with solution.

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    Circuit Analysis: KVL KCL
    Tutorial Sheet 1
  • Kirchhoff's current law and voltage law describe the relation of currents that flow through nodes and voltages in a circuit.
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    NPN Transistor Basics
    Tutorial Sheet 2
  • NPN Transistors are three terminal, three-layer devices that can function as either amplifiers or electronic switches.
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    Circuit Analysis: KVL KCL
    Tutorial Sheet 3
  • Stability factor gives information about stability of transistor. It is rate of change of Ic with respect to Ico.
    • DownloadSolution
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    Feedback Circuits
    Tutorial Sheet 4
  • Feedback occurs when outputs of a system are routed back as inputs. Q-point, is the steady-state (DC) voltage or current.
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    V & I Amplification
    Tutorial Sheet 5
  • Transistor amplifiers operate using AC signal inputs which alternate between a positive value and a negative value.
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    BJT equivalent models
    Tutorial Sheet 6
  • The equivalent models are used for analysing transistor circuits, generally a small i/p signal behavior of BJT.
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    Voltage Amplifiers
    Tutorial Sheet 7
  • A voltage amplifier in simplest form is any circuit that puts out a higher voltage than the input voltage.
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    Power circuits: Systems
    Tutorial Sheet 8
  • Power Amplifiers form basis of electronics, they are used to produce high power to drive some o/p device.
    • DownloadSol : Refer Textbook
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    Oscillators-1
    Tutorial Sheet 9
  • An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal.
    • DownloadSol : Refer Textbook
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    Oscillators-2
    Tutorial Sheet 10
  • Barkhausen criterion : The magnitude of the product of open loop gain and the feedback factor is unity.
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    Lab  Experiments

    Lab Manuals for all the experiments of this course.

    Experiment 1

    Use of Astable Multivibrator and Calculate the frequency by changing the base resistance/capacitance.

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    Experiment 2

    Use of Monostable Multivibrator and find the pulse width by varying the value of base resistance Q2.

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    Experiment 3

    Plot timing diagram of Bistable Multivibrator and use it as divided by two unit.

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    Experiment 4

    Operation of Hartley and Colpitts Oscillatorand the effect of variation in amplitude and frequency with C.

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    Experiment 5

    To study clipper and clamper circuits.

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    Experiment 6

    Operation of Schmitt Trigger and determination of UTP and LTP.

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    Experiment 7

    Draw Push-Pull Amplifier circuit. Measure the output impedance and also find the Bandwidth of a Push-Pull amplifier.

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    Experiment 8

    Design and study RC phase shift oscillator. Find the Frequency and compare with calculated frequency.

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    Experiment 9

    Top plot the frequency response curve of a tuned amplifier and determine its bandwidth.

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    Experiment 10

    To observe the property of current series feedback amp using CE transistor amp with an unbypassed emitter resistor.

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    Experiment 11

    To study the two stage R.C. coupled amplifier and 1)Find its bandwidth 2)Find i/p and o/p impedance

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    Learning  Resources

    Explore the below course reference material.

    Oscillator
    Multivibrators

    These are sequential logic circuits that operate continuously between two distinct states of HIGH and LOW.

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    Oscillator
    Stability Factor S"

    The following is the link to the derivation of stability factor S".


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    Course  Instructors

    UEC301 Analog Electronics Faculty

    Dr Vinay Kumar
    Dr. Vinay Kumar

    Course Instructor

    Dr Vinay Kumar
    Dr. Hem Dutt Joshi

    Course Instructor

    Dr Vinay Kumar
    Dr. Hardeep Singh

    Course Instructor

    Dr Vinay Kumar
    Dr. Sanjay Kumar

    Course Instructor