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DOC/LP/01/28.02.02 LESSON PLAN Sub Code & Name: EC 2205 ELECTRONIC CIRCUITS-I Unit : I Branch : EC Semester :III LP – EC 2205 LP Rev. No: 02 Date: 01/07/13 Page 01 of 06 UNIT I TRANSISTOR BIAS STABILITY 9 Syllabus: BJT – Need for biasing – Stability factor - Fixed bias circuit, Load line and quiescent point. Variation of quiescent point due to hFE variation within manufacturers tolerance - Stability factors - Different types of biasing circuits - Method of stabilizing the Q point - Advantage of Self bias (voltage divider bias) over other types of biasing, Bias compensation – Diode, Thermister and Sensistor compensations, Biasing the FET and MOSFET. Objective: The aim of this course is to familiarize the student with the methods of biasing transistors and design of simple amplifier circuits. Session No. Topics to be covered Time Ref P.No 1(118-145) Teaching Method 1. Introduction to BJT and different regions in the output characteristics. 50m 2. Need for biasing, Operating point and DC load line. 50m 1(282-285) BB 50m 1(290-294) BB 3. 4. 5. 6. 7. 8. 9. Variation of quiescent point due to hFE variation within manufacturer’s tolerance. Different types of biasing circuitsFixed bias, Collector to base bias and self bias. Derivation of stability factor for collector to base bias. Fixed bias circuit and derivation of its stability factor S, S’ and S”. Self bias circuit and derivation of its stability factor S, S’ and S”. Self bias and advantages of self bias over other types of biasing. Bias compensation using temperature sensitive devices. Diode compensations for Ico and VBE . Thermistor and Sensistor compensations and Thermal runaway and thermal stability. 50m 2(181-185) BB BB 50m 1(283-285) BB 50m 1(287-290) BB 50m 2(193-195) BB 50m 1(299-302) BB 50m 1(302-306) BB 10. Biasing schemes for FET. 50m 1(335-339) BB 11 The FET as a VVR (Voltage Variable Resistor). 50m 1(339-341) BB 12. Biasing schemes for MOSFET. 50m 2(215-220) 13. Tutorial. 50m 1(294-308) BB BB DOC/LP/01/28.02.02 LESSON PLAN Sub Code & Name:EC 2205 ELECTRONIC CIRCUITS-I Unit : II Branch : EC Semester :III LP – EC 2205 LP Rev. No: 02 Date: 01/07/13 Page 02 of 06 UNIT II MIDBAND ANALYSIS OF SMALL SIGNAL AMPLIFIER 9 Syllabus: CE, CB and CC amplifiers - Method of drawing small-signal equivalent circuit - Midband analysis of various types of single stage amplifiers to obtain gain, input impedance and output impedance - Miller’s theorem - Comparison of CB, CE and CC amplifiers and their uses - Methods of increasing input impedance using Darlington connection and bootstrapping - CS, CG and CD (FET) amplifiers - Multistage amplifiers. Basic emitter coupled differential amplifier circuit - Bisection theorem. Differential gain–CMRR-Use of constant current circuit to improve CMRR - Derivation of transfer characteristic. Objective: The aim of this course is to familiarize the student with Midband analysis of amplifier circuits using small signal equivalent circuits to determine gain input impedance and output impedance. Session No. 14. 15. 16. 50m Ref P.No 1(239-240) Teaching Method BB 50m 1(239-251) BB 50m 1(253-255) BB Topics to be covered Time Two port model of BJT amplifiers and its parameters. Method of drawing small-signal equivalent circuit (h parameter model) Midband analysis of single stage CE class A amplifier using fixed bias to obtain gain, input impedance and output impedance. Comparison of CE, CB, CC amplifiers in terms of gain, input impedance and output impedance. 17. Miller’s theorem for CE, CB, CC amplifier. 50m 1(255-258) BB 18. Methods of increasing input impedance using Darlington connection and bootstrapping. 50m 1(274-278) BB 19. FET amplifiers and small signal model. 50m 2(313-323) BB 50m 2(349-363) BB 50m 2(363-387) BB 50m 1(505-510) BB 50m 1(510-512) BB 50m 1(505-507) BB 20. 21. 22. 23. 24. Multistage amplifiers-Different coupling schemes used in amplifiers and cascade Amplifier. RC, Transformer coupled amplifier and Direct Coupled amplifiers. Differential amplifiers, Basic emitter coupled differential amplifier circuit and its operation. Bisection theorem and Transfer characteristics of differential amplifier. CMRR importance and methods for improvements. DOC/LP/01/28.02.02 LESSON PLAN Sub Code & Name:EC 2205 ELECTRONIC CIRCUITS-I Unit : III Branch : EC Semester :III LP – EC 2205 LP Rev. No: 02 Date:01 /07/13 Page 03 of 06 UNIT III FREQUENCY RESPONSE OF AMPLIFIERS 9 Syllabus: General shape of frequency response of amplifiers - Definition of cutoff frequencies and bandwidth - Low frequency analysis of amplifiers to obtain lower cutoff frequency Hybrid – equivalent circuit of BJTs High frequency analysis of BJT amplifiers to obtain upper cutoff frequency – Gain Bandwidth Product - High frequency equivalent circuit of FETs - High frequency analysis of FET amplifiers - Gain-bandwidth product of FETs - General expression for frequency response of multistage amplifiers - Calculation of overall upper and lower cutoff frequencies of multistage amplifiers - Amplifier rise time and sag and their relation to cutoff frequencies. Objective The aim of this course is to familiarize the student with Method of calculating cutoff frequencies and to determine bandwidth Session No. Time Ref P.No Teaching Method 50m 2(389-391) BB 50m 2(397-403) BB Hybrid equivalent circuit of BJTs. High frequency analysis of BJT amplifiers to obtain upper cutoff frequency. 50m 2(403-412) BB 50m 1(355-365) BB 29. Gain Bandwidth Product. 50m 1(365-367) BB 30. Tutorial. 50m 1(411) BB 50m 2(412-417) BB 50m 2(417-419) BB 25. 26. 27. 28. 31. 32. Topics to be covered General shape of frequency response of amplifiers Definition of cutoff frequencies and bandwidth. Low frequency analysis of amplifiers to obtain lower cutoff frequency. High frequency analysis of FET amplifiers – Gain-bandwidth product of FETs. General expression for frequency response of multistage amplifiers -Calculation of overall upper and lower cutoff frequencies. 33. Tutorial. 50m 2(409) BB 34. Amplifier rise time and sag and their relation to cutoff frequencies. 50m 1(382-385) BB 35. Problems. 50m 2(402) BB 36. Tutorial. 50m 2(395,397,401) BB DOC/LP/01/28.02.02 LP – EC 2205 LP Rev. No: 02 Date:01 /07/13 Page 04 of 06 LESSON PLAN Sub Code & Name:EC 2205 ELECTRONIC CIRCUITS-I Unit : IV Branch : EC Semester :III UNIT IV LARGE SIGNAL AMPLIFIERS 9 Syllabus: Classification of amplifiers, Class A large signal amplifiers, second harmonic distortion, higher order harmonic distortion, transformer-coupled class A audio power amplifier – efficiency of Class A amplifiers. Class B amplifier – efficiency - push-pull amplifier - distortion in amplifiers - complementarysymmetry (Class B) push-pull amplifier, Class C, Class D amplifier – Class S amplifier – MOSFET power amplifier, Thermal stability and heat sink. Objective: The aim of this course is to familiarize the student with design of power amplifiers. Ref Session No. Topics to be covered P.No Teaching Method 37. Classification of amplifiers, Nonlinear, frequency and phase-shift distortion in amplifiers. 50m 1(372-374) BB 38. Class A large signal amplifiers, second harmonic distortion, higher order harmonic generation. 50m 1(677-684) BB 39. Transformer-coupled class A audio power amplifier, Impedance matching, maximum power output and efficiency of Class A amplifiers. 50m 1(684-690) BB 40. Class B amplifier - push-pull amplifier, advantages and distortion in push-pull amplifier. 50m 1(690-695) BB 41. Complementary-symmetry Class B push-pull amplifier. 50m 1(695-696) BB 42. Class C, Class D and Class S amplifier. 50m 2(443-445) BB 43. MOSFET power amplifier. 50m 2(445-446) BB 44. Thermal stability, heat sink and types of heat sinks. 50m 2(446-449) BB 45. Problems. 50m 2(433-436) BB 46. Tutorial. 50m 2(447-449) BB CAT I. 180m - - Time DOC/LP/01/28.02.02 LP – EC 2205 LP Rev. No: 02 Date:01 /07/13 Page 05 of 06 LESSON PLAN Sub Code & Name:EC 2205 ELECTRONIC CIRCUITS-I Unit : V Branch : EC Semester :III UNIT V RECTIFIERS AND POWER SUPPLIES 9 Syllabus: Classification of power supplies, Rectifiers - Half-wave, full-wave and bridge rectifiers with resistive load. Analysis for Vdc and ripple voltage with C, L, LC and CLC filters. Voltage multipliers, Voltage regulators Zener diode regulator, principles of obtaining a regulated power supply, regulator with current limiting, Over voltage protection, Switched mode power supply (SMPS), Power control using SCR. Objective: The aim of this course is to familiarize the student with Analysis and design of power supplies. Ref Session No. 47. 48,49. 50,51. Topics to be covered P.No Teaching Method Time Rectifiers-HWR, Derivation of ripple factor, efficiency, Peak Inverse Voltage and Transformer Utilization Factor of Half Wave Rectifier. 50m 2(617-621) BB Full-wave and Bridge rectifiers with resistive load and Derivation of ripple factor, efficiency, Peak Inverse Voltage and Transformer Utilization Factor of FWR,BR. 100m 2(623-627) BB 100m 2(628-636) BB Analysis for Vdc and ripple voltage with C, L, LC, CLC and multiple CLC filters. 52. Voltage multipliers- tripler and quadrupler. 50m 2(636-637) BB 53. Voltage regulators – Line regulation, Load regulation and Zener diode shunt regulator. 50m 2(638-639) BB 54. Principles of obtaining a regulated power supply, regulator with current limiting, Over voltage protection. 50m 2(644-648) BB 55. Switched mode power supply (SMPS), Different types and advantages of SMPS. 50m 2(654-660) BB 56. Power control using SCR. 50m 2(232-235) BB 2(622,625,632, 57. Tutorial. 50m 639,645,648, 663-665) BB CAT II. 75m - - DOC/LP/01/28.02.02 LESSON PLAN Sub Code & Name: EC 2205 ELECTRONIC CIRCUITS-I Unit : I-V Branch : EC Semester :III LP – EC 2205 LP Rev. No: 02 Date: 01/07/13 Page 06 of 06 Course Delivery Plan: Week Units 1 2 3 4 5 6 8 9 10 11 12 13 14 15 I II I II I II I II I II I II I II I II 7 I II I II I II I II I II I II I II C C 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 A 5 5 5 5 5 A T T 1 2 TEXT BOOKS 1. Millman J and Halkias .C., Integrated Electronics, TMH, 2007. 2. S. Salivahanan, N. Suresh Kumar and A. Vallavaraj, Electronic Devices and Circuits, 2nd Edition, TMH, 2007. REFERENCES 3. Robert L. Boylestad and Louis Nashelsky, Electronic Devices and Circuit Theory, 9th Edition, Pearson Education / PHI, 2007. 4. David A. Bell, Electronic Devices & Circuits, 4th Edition, PHI, 2007 5. Floyd, Electronic Devices, Sixth Edition, Pearson Education, 2002. 6. I.J. Nagrath, Electronic Devices and Circuits, PHI, 2007. 7. Anwar A. Khan and Kanchan K. Dey, A First Course on Electronics, PHI, 2006. 8. B.P. Singh and Rekha Singh, Electronic Devices and Integrated Circuits, Pearson Education, 2006. 9. Rashid M, Microelectronics Circuits, Thomson Learning, 2007. Prepared by Approved by Signature Name Designation Date Mr.S.R.Balasubramanian/ Ms.S.M.Mehzabeen/ Mr.M.Athappan Assistant Professor /EC 01/07/2013 Dr.S Ganesh Vaidyanathan HOD, Department/EC 01/07/2013