EC202- ELECTRONIC CIRCUITS II Unit- I -FEEEDBACK AMPLIFIER
|
|
|
- Jocelin Boyd
- 6 years ago
- Views:
Transcription
1 EC202- ELECTRONIC CIRCUITS II Unit- I -FEEEDBACK AMPLIFIER 1. What is feedback? What are the types of feedback? 2. Define positive feedback. What are its merits and demerits? 3. Define negative feedback. What are it merits and demerits? 4. What is the effect of negative feedback amplifier. State the function of each block. 5. Derive the relationship between the transfer gain with feedback Af and that without feedback A. 6. What is loop gain? 7. What is sensitivity? 8. What is desensitivity? 9. What is the effect of input resistance of the amplifier with series feedback connection and shunt feedback connection? 10. What is the effect of output resistance of the amplifier with series feedback connection and shunt feedback connection? 11. Sketch the circuit of single stage CE Amplifier that uses Volt sampling and shunt mixing. 12. Determine the voltage gain, input gain and out impedance with feedback for voltage- Series feedback 13. Determine the voltage gain, input gain and out impedance with feedback for Voltage-shuntfeedback 14. Determine the voltage gain, input gain and out impedance with feedback for Current - Series feedback 15. Determine the voltage gain, input gain and out impedance with feedback for Current - Shunteedback Part B 1. Give the block diagram of a general feedback amplifier. State the function of each block 2. Using illustrations, explain the effects of negative feedback on the amplifier performance 3. (a) Identify the four possible topologies of a feedback network. (b) Identify the o/p signal & f/b signal for each topology (Whether current or voltage) (c) Identifiy the transfer gain & feedback factor for each topology. 4. Draw the block diagram of current sampling Series Mixing feedback configuration and derive an 5. Draw the block diagram of current sampling Shunt Mixing feedback configuration and derive an 6. Draw the block diagram of Voltage sampling Series Mixing feedback configuration and derive an 7. Draw the block diagram of Voltage sampling Shunt Mixing feedback configuration and derive an 8. Sketch the circuit of a single stage CC Amplifier that uses voltage sampling Series Mixing. Explain the
2 operation of circuit. Derive expression for Af, Rif, Rof 9. Sketch the circuit of a single stage CA Amplifier that uses voltage sampling Shunt Mixing. Explain the operation of circuit. Derive expression for Af, Rif, Rof 10. For given amplifier with CE configuration, determine i) the types of negative feedback ii) draw the equivalent circuit. iii)?. A, Af, Avf, Rif & Rot. Assume hre = hoe = For given amplifier, determine i) the types of negative feedback ii) draw the equivalent circuit. iii)?. A, Af, Avf, Rif & Rot. Assume hre = hoe = For given amplifier, determine i) the types of negative feedback ii) draw the equivalent circuit. iii)?. A, Af, Avf, Rif & Rot. Assume hre = hoe = 0 UNIT II - OSCILLATORS Part A 1. Define an Oscillator. Give some examples 2. Distinguish between an amplifier and an oscillator. 3. How do you classify oscillator based on various aspects? 4. Define sinusoidal oscillator. Give examples. 5. Define non-sinusoidal oscillator. Give examples. 6. What are damped and undamped oscillations? Show waveforms. 7. What is a tank circuit or oscillatory? Explain its operation. 8. What are the factors responsible for damped oscillations in a LC tank circuit? 9. Explain the ways to overcome the losses in a tank circuit. 10. Explain the principle of operation of Transistor oscillator. 11. State Barkhausen criteria for sine wave oscillation and explain they must be fulfilled to sustain oscillations. 12. Draw the block diagram of a general feedback oscillator and explain how oscillations are produced. 13. Calculate the oscillator frequency for the Hartley oscillator for the following circuit values : LRFC = 0.5mH, L1 = 750µH, L2 = 750µH, M = 150µH and C = 150PF. 14. Calculate the oscillator frequency for the Colpitts oscillator for the following circuit values : LRFC = 0.5mH, L = 100µH, C1 = 150PF and C2 = 0.01µF. 15. What are the distinguishing features of Hartley and Colpitts oscillator? 16. What are the advantages of Clapp oscillator over Colpitts oscillator? 17. What are the disadvantages in LC oscillators? How is this overcome in RC oscillators? 18. What are the types of RC oscillators? 19. Explain the phase shift principle in Transistor RC Phase shift oscillator. 20. Sketch a diode amplitude stabilization circuit for a phase shift oscillator and explain its operation.
3 21. Calculate the operating frequency of a BJT Phase-Shift oscillator for R=6KO, C=1500PF, RC=18KO. 22. A 3 section RC Phase shift oscillator has R=10KO and C=0.01µF. (a) What is the frequency of oscillation? (b) If the oscillator is to be made variable, using the same values of R, what should be the tuning range of the capacitor to obtain a frequency range of 1KHz to 100KHz. 23. Sketch a diode amplitude stabilization circuit for a Wein-Bridge oscillator and explain its operation. 24. Calculate the operating frequency of a BJT Wein-Bridge oscillator for R=10KO and C=2400PF. 25. If the practical lower limit on C is 47PF in the Wein-Bridge oscillator, (a) What should be the fixed value of R to produce an upper frequency limit of 200KHz? (b) What should be the tuning range of C to provide a lower frequency limit of 20 Hz? 26. What are the factors that affect the frequency stability of oscillators? Explain. 27. What is piezoelectric effect? Draw the crystal equivalent circuit? 28. Why Quartz crystal is preferred over other crystal in crystal oscillators? 29. Brief about occurrence of series and parallel resonant condition in crystal oscillators Part B 1. Sketch the block schematic of a general LC oscillator and obtain an expression for sustained oscillations using Barkhausen criteria for sine wave oscillation. 2. Sketch the circuit diagram for a Hartley oscillator using a single-stage BJT amplifier. Explain the circuit construction and operation. Obtain expression for frequency of oscillation and condition for oscillation. 3. Sketch the circuit diagram for a Colpitts oscillator using a single-stage BJT amplifier. Explain the circuit construction and operation. Obtain expression for frequency of oscillation and condition for oscillation. 4. Sketch the circuit diagram for a Clapp oscillator using a single-stage BJT amplifier. Explain the circuit construction and operation. Obtain expression for frequency of oscillation and condition for oscillation. 5. Sketch the circuit diagram for a Tuned collector oscillator using a single-stage BJT amplifier. Explain the circuit construction and operation. Write expression for frequency of oscillation. 6. Sketch the circuit diagram for a Tuned Emitter oscillator using a single-stage BJT amplifier. Explain the circuit construction and operation. Write expression for frequency of oscillation. 7. Sketch the circuit diagram for a phase shift oscillator that uses a single stage BJT amplifier. Explain the circuit construction and operation. Obtain an expression for frequency of oscillation. 8. A phase shift oscillator is to use a feedback network consisting of 4 RC sections. Derive an approximate expression for the frequency of oscillation. 9. (a) What disadvantages does a phase shift oscillator have? (b) How is this overcome in a Wein-Bridge oscillator? (c) What function does the Wein-bridge section have in Wein-Bridge oscillator? (d) Why is the bridge not used to provide phase shift? 10. Sketch the circuit diagram for a Wein-Bridge oscillator that uses a two stage BJT amplifier. Explain the circuit construction and operation. Obtain an expression for frequency of oscillation. 11. Describe a Piezo-Electric crystal as used with electronic circuits. Sketch the crystal equivalent circuit and impedance / frequency graph. Explain the behavior of electronic crystals.
4 12. Draw the circuit diagrams of (a) a series operated crystal oscillator and (b) a shunt-excited crystal oscillator. Explain the construction and operation of the circuit. UNIT III - LARGE SIGNAL AMPLIFIERS Part - A 1. What is power amplification? Define a power amplifier. 2. What is the need of power amplifier in audio applications? 3. What are the differences between a voltage amplifier and power amplifier? Distinguish between them. 4. Which amplifiers are classified as power amplifiers? Explain the general features of a power amplifier. 5. Explain why a voltage amplifier cannot be efficiently used as a power amplifier, though useful power is developed at the output of voltage amplifier? 6. What are the performance quantities of a power amplifier? Explain them. 7. How do you classify power amplifiers? 8. What is Class-A operation? 9. Explain the Q-point placement in Class-A power amplifier with neat sketches of loadline. 10. What are the merits and demerits of class-a power amplifier? 11. Mention some of the important applications of Class-A amplifier. 12. What is Class-B operation? 13. Explain the Q-point placement in Class-B power amplifier with neat sketches of loadline. 14. What are the merits and demerits of class-b power amplifier? 15. Mention some of the important applications of Class-B amplifier. 16. What is Class-C operation? 17. Explain the Q-point placement in Class-C power amplifier with neat sketches of loadline. 18. What are the merits and demerits of class-c power amplifier? 19. Mention some of the important applications of Class-C amplifier. 20. What is Class-AB operation? 21. Explain the Q-point placement in Class-AB power amplifier with neat sketches of loadline. 22. What are the merits and demerits of class-ab power amplifier? 23. Mention some of the important applications of Class-AB amplifier. 24. What is Class-D operation? 25. Compare the various power amplifier classes with respect to its operating cycle, position of Q-point and efficiency. 26. What are the disadvantages in Series fed, Directly coupled Class-A power amplifier? 27. What are the advantages & disadvantages in Transformer coupled Class-A power amplifier? 28. What is impedance transformation in case of a transformer? Explain the procedure of calculating a reflected load on primary for a step-down transformer. 29. What does the terms complementary and symmetry indicate? 30. What is the difference between class-b and class-ab power amplifiers? 31. Draw the circuit diagram of push-pull amplifier. Explain why even harmonics are not present in a pushpull amplifier. Give two additional advantages of this circuit over that of a single transistor amplifier.
5 32. What are the advantages of push-pull circuit over that of a single transistor amplifier? 33. Which power amplifier gives minimum distortion? Why? 34. For the analysis of power amplifier why graphical techniques are used? 35. What is thermal resistance? Explain the thermal-electrical analogy related to a transistor with heat sink. 36. What is heat sink? What is its function? 37. Show mathematically, how class-b push-pull amplifier eliminates even-ordered harmonics. 38. Explain second and third harmonic generation in power amplifiers. 39. What is non-linear distortion in power amplifiers? Part B 1. Explain the working of Series fed, Directly coupled Class-A power amplifier with the help of a neat circuit diagram. Give the expression for dc power input, ac power output and efficiency? 2. Explain the working of Transformer coupled Class-A power amplifier with the help of a neat circuit diagram. Give the expression for dc power input, ac power output and efficiency? 3. Explain the working of Class-B power amplifier with the help of a neat circuit diagram. 4. What is crossover distortion? How can it be eliminated? 5. Explain the working of Class-B Push-Pull power amplifier employing input and output transformers with the help of a neat circuit diagram. Discuss its advantages and disadvantages. 6. Draw the circuit diagram of Class-AB complementary / symmetry power amplifier with its loadline and explain its operation. Give the expression for dc power input, ac power output and efficiency? 7. (a) Explain the working of Class-C power amplifier with the help of a neat circuit diagram. What is its drawback? Where can you use Class-C amplifiers? (b) In class-c circuit the output current flows for a period less than 180o of the input signal. How the signal is reconstructed at the output? 8. Write a short note on Class-D amplifier. 9. (a) What is harmonic distortion? How the output signal gets distorted due to the harmonic distortion? (b) What is the meaning of % harmonic distortion? How the total harmonic distortion is calculated? UNIT IV -TUNED AND WIDE BAND AMPLIFIERS PART A 1. What is meant by tuned amplifiers? 2. What are the classifications of tuned amplifiers? 3. Draw the tuned circuit? 4. What are the classifications of tuned amplifiers according to the coupling used to calculate the stages of multistage amplifiers? 5. What is single tuned amplifiers? 6. What is double tuned amplifier? 7. What is stagger tuned amplifiers? 8. What are the advantages & disadvantages of the tuned amplifiers?
6 9. What is gain bandwidth product? 10. Discuss the instability of tuned amplifiers? 11. A high Q circuit has selectivity. 12. What is meant by quality factor? 13. Give the expression for the quality factor? 14. Give the 3-dB bandwidth for resonant circuit? 15. Compare single-tuned and double-tuned amplifier? 16. Draw the output response of double tuned amplifier? 17. What is meant by video amplifier? 18. What are the designs considerations to be followed for video amplifier? 19. Draw the frequency response of video amplifier? 20. What are the features of CA3040 video amplifier? PART B 1. Explain the working of single tuned amplifier with neat diagram? 2. Explain the working of double tuned amplifier with neat diagram? 3. With a neat sketch explain the working of stagger tuned amplifier? 4. Differentiate between single, double and stagger tuned amplifier? 5. Explain the working of CA3040 with neat circuit diagram? 6. Explain the working of MC1550 video amplifier with neat circuit diagram? 7. What is a cascade video amplifier? Explain the circuit with neat circuit diagram? UNIT V-PULSE AND WAVESHAPING CIRCUITS PART A 1. What is multivibrator? 2. How multivibrators are classified? 3. What is astable multivibrator? 4. What is bistable multivibrator? 5. What is Monostable Multivibrator? 6. Draw the output waveforms of astable multivibrator? 7. Draw the output waveforms of bistable multivibrator? 8. Draw the output waveforms of monostable multivibrator? 9. What is the function of commutating capacitor? 10. Write the applications of bistable, monosatble, astable multivibrator? 11. Draw the circuit of Schmitt trigger? 12. What are applications of Schmitt trigger? 11. What is lower threshold point in Schmitt trigger? 12. Which circuit is used as an amplitude comparator? 13. Draw the output waveforms of Schmitt trigger? 14. Which multivibrator is also known as free running multivibrator? Why? 15. What is meant by voltage-comparator?
7 16. Draw the circuit diagram of current switch comparator? 17. What is current time base generator? give the types? 18. What is voltage time base generator? Give the types? PART B 1. With neat circuit diagrams and waveforms describe the operation of monostable multivibrator and derive the expression for pulse width. 2. Describe the operation of fixed bias bistable multivibrator with neat diagrams 3. Explain the working of self biased binary with the help of neat circuit diagram. 4. With complete circuit explain the operation of a Schmitt trigger circuit 5. With neat circuit diagrams and waveforms describe the operation of Collector coupled Astable multivibrator and derive the expression for Time period of the output waveform. 6. Explain the working of Miller time base generator? 7. Explain the working of Bootstrap time base generator? 8. Explain the working of current time base generator? 9. Explain voltage comparator circuits with neat diagrams?
UNIT 1 MULTI STAGE AMPLIFIES
UNIT 1 MULTI STAGE AMPLIFIES 1. a) Derive the equation for the overall voltage gain of a multistage amplifier in terms of the individual voltage gains. b) what are the multi-stage amplifiers? 2. Describe
SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR (AUTONOMOUS) Siddharth Nagar, Narayanavanam Road QUESTION BANK
SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR (AUTONOMOUS) Siddharth Nagar, Narayanavanam Road 517583 QUESTION BANK Subject with Code : Electronic Circuit Analysis (16EC407) Year & Sem: II-B.Tech & II-Sem
DHANALAKSHMI COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING EC6202 ELECTRONIC DEVICES AND CIRCUITS
DHANALAKSHMI COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING EC6202 ELECTRONIC DEVICES AND CIRCUITS UNIT-I - PN DIODEAND ITSAPPLICATIONS 1. What is depletion region in PN junction?
BHARATHIDASAN ENGINEERING COLLEGE
BHARATHIDASAN ENGINEERING COLLEGE DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING EC6401 - ELECTRONIC CIRCUITS - II QUESTION BANK II- YEAR IV SEM ACDEMIC YEAR: 2016-2017 EVEN SEMESTER EC6401 ELECTRONIC
VALLIAMMAI ENGINEERING COLLEGE
VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203. DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING SUBJECT QUESTION BANK : EC6401 ELECTRONICS CIRCUITS-II SEM / YEAR: IV / II year B.E.
Sub Code & Name: EC2251- ELECTRONIC CIRCUITS II Unit : I Branch : ECE Year:II
Unit : I Branch : ECE Year:II Page 01 of 06 UNIT 1 FEEDBACK AMPLIFIERS 9 Block diagram, Loop gain, Gain with feedback, Effects of negative feedback Sensitivity and desensitivity of gain, Cut-off frequencies,
VALLIAMMAI ENGINEERING COLLEGE
VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203 DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK IV SEMESTER EC6401 ELECTRONICS CIRCUITS-II Regulation 2013 Academic
Code: 9A Answer any FIVE questions All questions carry equal marks *****
II B. Tech II Semester (R09) Regular & Supplementary Examinations, April/May 2012 ELECTRONIC CIRCUIT ANALYSIS (Common to EIE, E. Con. E & ECE) Time: 3 hours Max Marks: 70 Answer any FIVE questions All
MARIA COLLEGE OF ENGINEERING AND TECHNOLOGY, ATTOOR UNIT-1. Feedback Amplifiers
MARIA COLLEGE OF ENGINEERING AND TECHNOLOGY, ATTOOR DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING ELECTRONIC CIRCUITS-II 2 MARKS QUESTIONS & ANSWERS UNIT-1 Feedback Amplifiers 1. What is meant
INSTITUTE OF AERONAUTICAL ENGINEERING (AUTONOMUS) Dundigal, Hyderabad
INSTITUTE OF AERONAUTICAL ENGINEERING (AUTONOMUS) Dundigal, Hyderabad - 00 0 ELECTRONICS AND COMMUNICATION ENGINEERING ASSIGNMENT Name : ELECTRONIC CIRCUIT ANALYSIS Code : A0 Class : II - B. Tech nd semester
Transistor Digital Circuits
Recapitulation Transistor Digital Circuits The transistor Operating principle and regions Utilization of the transistor Transfer characteristics, symbols Controlled switch model BJT digital circuits MOSFET
UNIT I PN JUNCTION DEVICES
UNIT I PN JUNCTION DEVICES 1. Define Semiconductor. 2. Classify Semiconductors. 3. Define Hole Current. 4. Define Knee voltage of a Diode. 5. What is Peak Inverse Voltage? 6. Define Depletion Region in
UNIT 1. 9 What is the Causes of Free Response in Electrical Circuit. 12 Write the Expression for transient current and voltages of RL circuit.
SUB: Electric Circuits and Electron Devices Course Code: UBEE309 UNIT 1 PART A 1 State Transient and Transient Time? 2 What is Tansient State? 3 What is Steady State? 4 Define Source Free Response 5 Define
VALLIAMMAI ENGINEERING COLLEGE SRM NAGAR, KATTANKULATHUR- 603 203 DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING EC6202- ELECTRONIC DEVICES AND CIRCUITS UNIT I PN JUNCTION DEVICES 1. Define Semiconductor.
Lab 4 : Transistor Oscillators
Objective: Lab 4 : Transistor Oscillators In this lab, you will learn how to design and implement a colpitts oscillator. In part II you will implement a RC phase shift oscillator Hardware Required : Pre
FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS UNIT-1 SUBJECT : ELECTRONIC DEVICES AND CIRCUITS SUBJECT CODE : EC6202 BRANCH: EEE PART -A 1. What is meant by diffusion current in a semi conductor? (APR/MAY 2010, 2011, NOV/DEC
LINEAR IC APPLICATIONS
1 B.Tech III Year I Semester (R09) Regular & Supplementary Examinations December/January 2013/14 1 (a) Why is R e in an emitter-coupled differential amplifier replaced by a constant current source? (b)
ELECTRONIC CIRCUITS - II BY A P GODSE, U A BAKSHI DOWNLOAD EBOOK : ELECTRONIC CIRCUITS - II BY A P GODSE, U A BAKSHI PDF
Read Online and Download Ebook ELECTRONIC CIRCUITS - II BY A P GODSE, U A BAKSHI DOWNLOAD EBOOK : ELECTRONIC CIRCUITS - II BY A P GODSE, U A BAKSHI Click link bellow and free register to download ebook:
Expect to be successful, expect to be liked,
Thought of the Day Expect to be successful, expect to be liked, expect to be popular everywhere you go. Oscillators 1 Oscillators D.C. Kulshreshtha Oscillators 2 Need of an Oscillator An oscillator circuit
NOORUL ISLAM COLLEGE OF ENGG, KUMARACOIL. DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGG. SUBJECT CODE: EC 1251 SUBJECT NAME: ELECTRONIC CIRCUITS-II
NOORUL ISLAM COLLEGE OF ENGG, KUMARACOIL. DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGG. SUBJECT CODE: EC 1251 SUBJECT NAME: ELECTRONIC CIRCUITS-II Prepared by, C.P.SREE BALA LEKSHMI (Lect/ECE) ELECTRONICS
Code No: R Set No. 1
Code No: R059210404 Set No. 1 II B.Tech I Semester Supplimentary Examinations, February 2008 ELECTRONIC CIRCUIT ANALYSIS ( Common to Electronics & Communication Engineering and Electronics & Telematics)
EE301 ELECTRONIC CIRCUITS CHAPTER 2 : OSCILLATORS. Lecturer : Engr. Muhammad Muizz Bin Mohd Nawawi
EE301 ELECTRONIC CIRCUITS CHAPTER 2 : OSCILLATORS Lecturer : Engr. Muhammad Muizz Bin Mohd Nawawi 2.1 INTRODUCTION An electronic circuit which is designed to generate a periodic waveform continuously at
TUNED AMPLIFIERS. Tank circuits.
Tank circuits. TUNED AMPLIFIERS Analysis of single tuned amplifier, Double tuned, stagger tuned amplifiers. Instability of tuned amplifiers, stabilization techniques, Narrow band neutralization using coil,
Skyup's Media ELECTRONIC CIRCUIT ANALYSIS
ELECTRONIC CIRCUIT ANALYSIS MALLAREDDY COLLEGE OF ENGINEERING AND TECHNOLOGY DEPARTMENT OF ELECTROINICS AND COMMUNICATION ENGINEERING Answer all the following questions: PART A: B.TECH II YEAR II SEMESTER
ELECTRONIC CIRCUITS LAB
ELECTRONIC CIRCUITS LAB 1 2 STATE INSTITUTE OF TECHNICAL TEACHERS TRAINING AND RESEARCH GENERAL INSTRUCTIONS Rough record and Fair record are needed to record the experiments conducted in the laboratory.
Question Bank EC6401 ELECTRONIC CIRCUITS - II
FATIMA MICHAEL COLLEGE OF ENGINEERING & TECHNOLOGY Madurai Sivagangai Main Road Madurai - 625 020. [An ISO 9001:2008 Certified Institution] SEMESTER: IV / ECE Question Bank EC6401 ELECTRONIC CIRCUITS -
ELECTRONIC CIRCUITS. Time: Three Hours Maximum Marks: 100
EC 40 MODEL TEST PAPER - 1 ELECTRONIC CIRCUITS Time: Three Hours Maximum Marks: 100 Answer five questions, taking ANY TWO from Group A, any two from Group B and all from Group C. All parts of a question
21/10/58. M2-3 Signal Generators. Bill Hewlett and Dave Packard s 1 st product (1939) US patent No HP 200A s schematic
M2-3 Signal Generators Bill Hewlett and Dave Packard s 1 st product (1939) US patent No.2267782 1 HP 200A s schematic 2 1 The basic structure of a sinusoidal oscillator. A positive feedback loop is formed
EC1203: ELECTRONICS CIRCUITS-I UNIT-I TRANSISTOR BIASING PART-A
SHRI ANGALAMMAN COLLEGE OF ENGG & TECH., TRICHY 621105 (Approved by AICTE, New Delhi and Affiliated to Anna University Chennai/Trichy) ( ISO 9001:2008 Certified Institution) DEPARTMENT OF ELECTRONICS &
LECTURE NOTES ELECTRONIC CIRCUITS II SYLLABUS
FATIMA MICHAEL COLLEGE OF ENGINEERING & TECHNOLOGY Madurai Sivagangai Main Road Madurai - 625 020. [An ISO 9001:2008 Certified Institution] LECTURE NOTES EC6401 ELECTRONIC CIRCUITS - II SEMESTER: IV /
Oscillators. An oscillator may be described as a source of alternating voltage. It is different than amplifier.
Oscillators An oscillator may be described as a source of alternating voltage. It is different than amplifier. An amplifier delivers an output signal whose waveform corresponds to the input signal but
Chapter.8: Oscillators
Chapter.8: Oscillators Objectives: To understand The basic operation of an Oscillator the working of low frequency oscillators RC phase shift oscillator Wien bridge Oscillator the working of tuned oscillator
OBJECTIVE TYPE QUESTIONS
OBJECTIVE TYPE QUESTIONS Q.1 The breakdown mechanism in a lightly doped p-n junction under reverse biased condition is called (A) avalanche breakdown. (B) zener breakdown. (C) breakdown by tunnelling.
KINGS COLLEGE OF ENGINEERING* DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK
KINGS COLLEGE OF ENGINEERING* DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK SUB.NAME : LINEAR INTEGRATED CIRCUITS SUB CODE: EC1254 YEAR / SEMESTER : II / IV UNIT- I IC FABRICATION
Hours / 100 Marks Seat No.
17445 21415 3 Hours / 100 Seat No. Instructions (1) All Questions are Compulsory. (2) Illustrate your answers with neat sketches wherever necessary. (3) Figures to the right indicate full marks. (4) Assume
The steeper the phase shift as a function of frequency φ(ω) the more stable the frequency of oscillation
It should be noted that the frequency of oscillation ω o is determined by the phase characteristics of the feedback loop. the loop oscillates at the frequency for which the phase is zero The steeper the
Multivibrators. Department of Electrical & Electronics Engineering, Amrita School of Engineering
Multivibrators Multivibrators Multivibrator is an electronic circuit that generates square, rectangular, pulse waveforms. Also called as nonlinear oscillators or function generators. Multivibrator is basically
GATE: Electronics MCQs (Practice Test 1 of 13)
GATE: Electronics MCQs (Practice Test 1 of 13) 1. Removing bypass capacitor across the emitter leg resistor in a CE amplifier causes a. increase in current gain b. decrease in current gain c. increase
MAHALAKSHMI ENGINEERING COLLEGE TIRUCHIRAPALLI UNIT III TUNED AMPLIFIERS PART A (2 Marks)
MAHALAKSHMI ENGINEERING COLLEGE TIRUCHIRAPALLI-621213. UNIT III TUNED AMPLIFIERS PART A (2 Marks) 1. What is meant by tuned amplifiers? Tuned amplifiers are amplifiers that are designed to reject a certain
DEFINITION: Classification of oscillators Based on the frequency generated Oscillator type Frequency range
DEFINITION: An oscillator is just an electronic circuit which converts dc energy into AC energy of required frequency. (Or) An oscillator is an electronic circuit which produces an ac output without any
SET - 1 1. a) Write the application of attenuator b) State the clamping theorem c) Write the application of Monostable multi vibrator d) Draw the diagram for Diode two input AND gate e) Define the terms
Feedback Amplifier & Oscillators
256 UNIT 5 Feedback Amplifier & Oscillators 5.1 Learning Objectives Study definations of positive /negative feedback. Study the camparions of positive and negative feedback. Study the block diagram and
MAHALAKSHMI ENGINEERING COLLEGE TIRUCHIRAPALLI
MAHALAKSHMI ENGINEERING COLLEGE TIRUCHIRAPALLI-621213. QUESTION BANK DEPARTMENT: EEE SUBJECT CODE: EE2203 SEMESTER : III SUBJECT NAME: ELECTRONIC DEVICES &CIRCUITS UNIT 4-AMPLIFIERS AND OSCILLATORS PART
Summer 2015 Examination
Summer 2015 Examination Subject Code: 17445 Model Answer Important Instructions to examiners: 1) The answers should be examined by key words and not as word-to-word as given in the model answer scheme.
VALLIAMMAI ENGINEERING COLLEGE
VALLIAMMAI ENGINEERING COLLEGE SRM NAGAR, KATTANKULATHUR 60320 DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK Academic Year: 2018 2019 Odd Semester Subject: EC8353 - ELECTRON DEVICES
Signal Generators and Waveform-Shaping Circuits
CHAPTER 18 Signal Generators and Waveform-Shaping Circuits Figure 18.1 The basic structure of a sinusoidal oscillator. A positive-feedback loop is formed by an amplifier and a frequency-selective network.
Sri venkateswara college of engineering. Department of ECE. EC Electronic Circuits II. 2 mark questions unit wise. UNIT I Feedback Amplifiers
Sri venkateswara college of engineering Department of ECE EC -6401 Electronic Circuits II 2 mark questions unit wise UNIT I Feedback Amplifiers 1. Define feedback? A portion of the output signal is taken
Power Amplifiers. Class A Amplifier
Power Amplifiers The Power amplifiers amplify the power level of the signal. This amplification is done in the last stage in audio applications. The applications related to radio frequencies employ radio
Subject Code: Model Answer Page No: / N
Important Instructions to examiners: 1) The answers should be examined by key words and not as word-to-word as given in the model answer scheme. 2) The model answer and the answer written by candidate
VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur
VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203. DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING QUESTION BANK SUBJECT : EC 6202 Electronic Devices and Circuits SEM / YEAR: III /
Feedback (and control) systems
Feedback (and control) systems Stability and performance Copyright 2007-2008 Stevens Institute of Technology - All rights reserved 22-1/23 Behavior of Under-damped System Y() s s b y 0 M s 2n y0 2 2 2
State the application of negative feedback and positive feedback (one in each case)
(ISO/IEC - 700-005 Certified) Subject Code: 073 Model wer Page No: / N Important Instructions to examiners: ) The answers should be examined by key words and not as word-to-word as given in the model answer
TUNED AMPLIFIERS 5.1 Introduction: Coil Losses:
TUNED AMPLIFIERS 5.1 Introduction: To amplify the selective range of frequencies, the resistive load R C is replaced by a tuned circuit. The tuned circuit is capable of amplifying a signal over a narrow
LESSON PLAN. SUBJECT: LINEAR IC S AND APPLICATION NO OF HOURS: 52 FACULTY NAME: Mr. Lokesh.L, Hema. B DEPT: ECE. Portions to be covered
LESSON PLAN SUBJECT: LINEAR IC S AND APPLICATION SUB CODE: 15EC46 NO OF HOURS: 52 FACULTY NAME: Mr. Lokesh.L, Hema. B DEPT: ECE Class# Chapter title/reference literature Portions to be covered MODULE I
The Hartley Oscillator
The Hartley Oscillator One of the main disadvantages of the basic LC Oscillator circuit we looked at in the previous tutorial is that they have no means of controlling the amplitude of the oscillations
EE2254 LINEAR INTEGRATED CIRCUITS UNIT-I IC FABRICATION
DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING Question bank EE2254 LINEAR INTEGRATED CIRCUITS UNIT-I IC FABRICATION 1. Mention the advantages of integrated circuits. 2. Write down the various processes
INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad
1 P a g e INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad - 500 043 ELECTRONICS AND COMMUNICATION ENGINEERING TUTORIAL QUESTION BANK Name : INTEGRATED CIRCUITS APPLICATIONS Code
Test Your Understanding
074 Part 2 Analog Electronics EXEISE POBLEM Ex 5.3: For the switched-capacitor circuit in Figure 5.3b), the parameters are: = 30 pf, 2 = 5pF, and F = 2 pf. The clock frequency is 00 khz. Determine the
Preface... Chapter 1. Nonlinear Two-terminal Devices... 1
Preface........................................... xi Chapter 1. Nonlinear Two-terminal Devices.................... 1 1.1. Introduction..................................... 1 1.2. Example of a nonlinear
Table of Contents Lesson One Lesson Two Lesson Three Lesson Four Lesson Five PREVIEW COPY
Oscillators Table of Contents Lesson One Lesson Two Lesson Three Introduction to Oscillators...3 Flip-Flops...19 Logic Clocks...37 Lesson Four Filters and Waveforms...53 Lesson Five Troubleshooting Oscillators...69
Operational Amplifiers
Operational Amplifiers Table of contents 1. Design 1.1. The Differential Amplifier 1.2. Level Shifter 1.3. Power Amplifier 2. Characteristics 3. The Opamp without NFB 4. Linear Amplifiers 4.1. The Non-Inverting
Microelectronic Circuits
SECOND EDITION ISHBWHBI \ ' -' Microelectronic Circuits Adel S. Sedra University of Toronto Kenneth С Smith University of Toronto HOLT, RINEHART AND WINSTON HOLT, RINEHART AND WINSTON, INC. New York Chicago
Linear Integrated Circuits and Applications
Dhanalakshmi Srinivasan Engineering College - Perambalur Department of EEE QUESTION BANK Linear Integrated Circuits and Applications UNIT-I ICs FABRICATION 1. Mention the advantages of integrated circuits.
EC8351-ELECTRON DEVICES AND CIRCUITS TWO MARK QUESTIONS AND ANSWERS UNIT-I PN JUNCTION DEVICES
TWO MARK QUESTIONS AND ANSWERS UNIT-I PN JUNCTION DEVICES 1) Define semiconductor. Semiconductor is a substance, which has resistivity in between Conductors and insulators. Eg. Germanium, Silicon. 2) Define
Lesson Plan. Electronics 1-Total 51 Hours
Lesson Plan. Electronics 1-Total 5s Unit I: Electrical Engineering materials:(10) Crystal structure & defects; Ceramic materials-structures, composites, processing and uses; Insulating laminates for electronics,
Chapter 13 Oscillators and Data Converters
Chapter 13 Oscillators and Data Converters 13.1 General Considerations 13.2 Ring Oscillators 13.3 LC Oscillators 13.4 Phase Shift Oscillator 13.5 Wien-Bridge Oscillator 13.6 Crystal Oscillators 13.7 Chapter
OSCILLATORS AND WAVEFORM-SHAPING CIRCUITS
OSILLATORS AND WAVEFORM-SHAPING IRUITS Signals having prescribed standard waveforms (e.g., sinusoidal, square, triangle, pulse, etc). To generate sinusoidal waveforms: o Positive feedback loop with non-linear
Low frequency tuned amplifier. and oscillator using simulated. inductor*
CHAPTER 5 Low frequency tuned amplifier and oscillator using simulated inductor* * Partial contents of this Chapter has been published in. D.Susan, S.Jayalalitha, Low frequency amplifier and oscillator
INSTITUTE OF AERONAUTICAL ENGINERING DUNDIGAL, HYDERABAD
INSTITUTE OF AERONAUTICAL ENGINERING DUNDIGAL, HYDERABAD 500 043 Digital Signal Processing Lab Work Book Name: Reg.No: Branch: Class: Section: IARE-ECE Department CERTIFICATE This is to certify that it
R a) Explain the operation of RC high-pass circuit when exponential input is applied.
SET - 1 1. a) Explain the operation of RC high-pass circuit when exponential input is applied. 2x V ( e 1) V b) Verify V2 = = tanhx for a symmetrical square wave applied to a RC low 2x 2 ( e + 2 pass circuit.
APPLIED ELECTRONIC CIRCUITS
SRM UNIVERSITY DEPARTMENT OF BIOMEDICAL ENGINEERING ODD Semester-2014-2015 BM1005 APPLIED ELECTRONIC CIRCUITS Course Code: BM1005 Course Title: APPLIED ELECTRONIC CIRCUITS Sem: III SEM B. Tech Second Year
VALLIAMMAI ENGINEERING COLLEGE
VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203 DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING QUESTION BANK III SEMESTER EC6202 - Electronic Devices and Circuits Regulation 2013
EC6202-ELECTRONIC DEVICES AND CIRCUITS YEAR/SEM: II/III UNIT 1 TWO MARKS. 1. Define diffusion current.
EC6202-ELECTRONIC DEVICES AND CIRCUITS YEAR/SEM: II/III UNIT 1 TWO MARKS 1. Define diffusion current. A movement of charge carriers due to the concentration gradient in a semiconductor is called process
DEPT. OF ELECTRICAL & ELECTRONICS ENGG SRM INSTITUTE OF SCIENCE & TECHNOLOGY LESSON PLAN. Subject Name : Electronic Circuits
DEPT. OF ELECTRICAL & ELECTRONICS ENGG SRM INSTITUTE OF SCIENCE & TECHNOLOGY LESSON PLAN Subject Code : EE0208 Subject Name : Electronic Circuits Branch : ELECTRICAL AND ELECTRONICS Year : II Section C
II/IV B. TECH. DEGREE EXAMINATIONS, NOVEMBER Second Semester EC/EE ELECTRONIC CIRCUIT ANALYSIS. Time : Three Hours Max.
Total No. of Questions : 9] [Total No. of Pages : 02 B.Tech. II/ IV YEAR DEGREE EXAMINATION, APRIL/MAY - 2014 (Second Semester) EC/EE/EI Electronic Circuit Analysis Time : 03 Hours Maximum Marks : 70 Q1)
Scheme I Sample Question Paper
Sample Question Paper Marks : 70 Time: 3 Hrs. Q.1) Attempt any FIVE of the following. 10 Marks a) Classify configuration of differential amplifier. b) Draw equivalent circuit of an OPAMP c) Suggest and
Analog Electronic Circuits Lab-manual
2014 Analog Electronic Circuits Lab-manual Prof. Dr Tahir Izhar University of Engineering & Technology LAHORE 1/09/2014 Contents Experiment-1:...4 Learning to use the multimeter for checking and indentifying
CHAPTER 3: OSCILLATORS AND WAVEFORM-SHAPING CIRCUITS
CHAPTER 3: OSCILLATORS AND WAVEFORM-SHAPING CIRCUITS In the design of electronic systems, the need frequently arises for signals having prescribed standard waveforms (e.g., sinusoidal, square, triangle,
CHAPTER 3 OSCILOSCOPE AND SIGNAL CONDITIONING
CHAPTER 3 OSCILOSCOPE AND SIGNAL CONDITIONING OUTLINE Introduction to Signal Generator Oscillator Requirement for Oscillation Positive Feedback Amplifier Oscillator Radio Frequency Oscillator Introduction
BEC402-ELECTRONIC CIRCUITS
BEC402-ELECTRONIC CIRCUITS UNIT- I BASIC DEVICE STABILIZATION AND LOW FREQUENCY DESIGN ANALYSIS Circuits for BJT, DC and AC Load lines, Stability factor analysis, Temperature compensation methods, biasing
ANALOG ELECTRONIC CIRCUITS LABORATORY MANUAL (CODE: EEE - 228)
ANALOG ELECTRONIC CIRCUITS LABORATORY MANUAL (CODE: EEE - 228) DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING ANIL NEERUKONDA INSTITUTE OF TECHNOLOGY & SCIENCES (Affiliated to AU, Approved by AICTE
HIGH LOW Astable multivibrators HIGH LOW 1:1
1. Multivibrators A multivibrator circuit oscillates between a HIGH state and a LOW state producing a continuous output. Astable multivibrators generally have an even 50% duty cycle, that is that 50% of
ELECTRONIC CIRCUIT ANALYSIS LECTURE NOTES B.TECH (II YEAR II SEM) ( )
ELECTRONIC CIRCUIT ANALYSIS LECTURE NOTES B.TECH (II YEAR II SEM) (2017-18) Prepared by: Mr. V. Shiva Rajkumar, Assistant Professor Mr. E. Mahendar Reddy, Assistant Professor Department of Electronics
LARGE SIGNAL AMPLIFIERS
LARGE SIGNAL AMPLIFIERS One method used to distinguish the electrical characteristics of different types of amplifiers is by class, and as such amplifiers are classified according to their circuit configuration
ELC224 Final Review (12/10/2009) Name:
ELC224 Final Review (12/10/2009) Name: Select the correct answer to the problems 1 through 20. 1. A common-emitter amplifier that uses direct coupling is an example of a dc amplifier. 2. The frequency
VETRI VINAYAHA COLLEGE OF ENGINEERING & TECHNOLOGY THOTTIAM, TIRUCHIRAPPALLI Department of Electronics and communication Engineering Question
VETRI VINAYAHA COLLEGE OF ENGINEERING & TECHNOLOGY THOTTIAM, TIRUCHIRAPPALLI-621215 Department of Electronics and communication Engineering Question Bank EC6401: ELECTRONIC CIRCUITS II (Regulation 2013)
Total No. of Questions :09] [Total No. of Pages : 02
![Total No. of Questions :09] [Total No. of Pages : 02](/thumbs/86/94132351.jpg "Total No. of Questions :09] [Total No. of Pages : 02")
EC/EI 313 (CR) Total No. of Questions :09] [Total No. of Pages : 02 III/IV B.Tech. DEGREE EXAMINATIONS, NOV/DEC- 2016 First Semester EC/EI COMPUTER ORGANIZATION OPERATING SYSTEMS Time: Three Hours Answer
PREFACE xvii PRACTICAL TRANSISTOR CIRCUIT THEORY 1.1 Iterated Circuits 1.2 Symbols 1.3 Feedback 1.4 The Miller Effect 1.5 Transistors 1.6 The transistor gain-impedance relation 1.7 Ohm's law and dc current-voltage
UNIVERSITY PART-A ANSWERS Unit-1 1. What is an amplifier? An amplifier is a device which produces a large electrical output of similar characteristics to that of the input parameters. 2. What are transistors?
ELECTRONIC DEVICES AND CIRCUITS (EDC) LABORATORY MANUAL
ELECTRONIC DEVICES AND CIRCUITS (EDC) LABORATORY MANUAL (B.E. THIRD SEMESTER - BEENE302P / BEECE302P/ BEETE302P) Prepared by Prof. S. Irfan Ali HOD PROF. M. NASIRUDDIN DEPARTMENT OF ELECTRONICS & TELECOMMUNICATION
Electronic Circuits EE359A
Electronic Circuits EE359A Bruce McNair B206 bmcnair@stevens.edu 201-216-5549 Lecture 16 404 Signal Generators and Waveform-shaping Circuits Ch 17 405 Input summing, output sampling voltage amplifier Series
Small signal Amplifier stages. Figure 5.2 Classification of power amplifiers
5.1 Introduction When the power requirement to drive the load is in terms of several Watts rather than mili-watts the power amplifiers are used. Power amplifiers form the last stage of multistage amplifiers.
Electronics & Comm. Lab
Course name Electronics & Comm. Lab Lecture 1 Dr. Bedir B. Yousif E-mail: bedir.yousif@gmail.com Third Year-Comm Eng. Lecture: 1 hr. /week Section : 3 hrs. /week Subject Marks: 100 (50 works term + 50
Solapur University, Solapur Syllabus for B.Sc. II Electronics Semester System To be implemented from Academic Year ) Course Structure: -
1 Solapur University, Solapur Syllabus for B.Sc. II Electronics Semester System To be implemented from Academic Year 2011-12 1) Course Structure: - Sr. Semester Paper Title Total No No. 1. Semester-III
UNIT I Introduction to DC & AC circuits
SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road 517583 QUESTION BANK (DESCRIPTIVE) Subject with Code: Basic Electrical and Electronics Engineering (16EE207) Year & Sem: II-B.
Downloaded From All JNTU World
Code: 9A02401 PRINCIPLES OF ELECTRICAL ENGINEERING (Common to ECE, EIE, E.Con.E & ECC) 1 Find initial conditions for voltage across capacitor, the currents i 1, i 2 and the derivatives for the circuit
Figure 1: Closed Loop System
SIGNAL GENERATORS 3. Introduction Signal sources have a variety of applications including checking stage gain, frequency response, and alignment in receivers and in a wide range of other electronics equipment.
11. What is fall time (tf) in transistor? The time required for the collector current to fall from 90% to 10% of its DEPARTMENT OF ECE EC 6401 Electronic Circuits II UNIT-IV WAVE SHAPING AND MULTIVIBRATOR
Scheme Q.1 Attempt any SIX of following: 12-Total Marks a) Draw symbol NPN and PNP transistor. 2 M Ans: Symbol Of NPN and PNP BJT (1M each)
Q. No. WINTER 16 EXAMINATION (Subject Code: 17319) Model Answer Important Instructions to examiners: 1) The answers should be examined by key words and not as word-to-word as given in the model answer
55:041 Electronic Circuits
55:041 Electronic Circuits Oscillators Sections of Chapter 15 + Additional Material A. Kruger Oscillators 1 Stability Recall definition of loop gain: T(jω) = βa A f ( j) A( j) 1 T( j) If T(jω) = -1, then