Unit : I Branch : ME Semester: IV Page 01 of 06 UNIT I SEMICONDUCTORS AND RECTIFIERS 9 Classification of solids based on energy band theory - Intrinsic semiconductors - Extrinsic semiconductors - P type and N type - PN junction - Zener effect - Zener diode characteristics - Half wave and full wave rectifiers - Voltage regulation. Objective: To introduce the theory behind the operation of semiconductor devices such as diode and Zener, and their applications. 1. 2. 3. Type of materials as conductors, Semiconductors and Insulators Energy Bands valence and Conduction bands; Forbidden energy gap Intrinsic Semiconductor Extrinsic semiconductors: P and N type semiconductors 4. PN Junction operation-forward and reverse bias 5. 6. 7. Junction diode characteristics Problems on Diode current Equation Half wave rectifiers - Derivation for RMS value and ripple factor Full wave Bridge and Center tap rectifiers - Derivation for RMS value and ripple factor Problems on Rectifiers 8. Zener diode characteristics 9. Voltage Regulator using Zener Diode
Unit : II Branch : ME Semester: IV Page 02 of 06 Bipolar junction transistor - CB, CE, CC configuration and characteristics - Biasing circuits - Class A, B and C amplifiers - Field effect transistor - Configuration and characteristic of FET amplifier - SCR, Diac, Triac, UJT - Characteristics and simple applications - Switching transistors - Concept of feedback - Negative feedback - UNIT II TRANSISTORS AND AMPLIFIERS 12 Application in temperature and motor speed control. Objective: To introduce the operation of various semiconductor devices such as BJT, SCR, FET, UJT, Diac, Triac and their applications 10. Bipolar Junction Transistor Types and Biasing 11. 12. Configurations CE, CB and CC Input and Output Characteristics Operation of a Transistor Amplifier Problems 13. Classes of amplifiers Class A, B and C amplifiers 14. Characteristics of FET JFET Problems 15. Characteristics of FET - MOSFET 16. 17. UJT operation Intrinsic stand off ratio Problems Triac and SCR operation Holding current; Break over Voltage 18. Diac operation 19. Transistor as a switch 20. Feedback amplifier Types of Feedback 21. Controlled rectifier using SCR- Speed control of motors 22. CAT-I 90m - -
Unit : III Branch : ME Semester: IV Page 03 of 06 UNIT III DIGITAL ELECTRONICS 9 Binary number system - AND, OR, NOT, NAND, NOR circuits - Boolean algebra - Exclusive OR gate - Flip flops - Half and full adders Registers Counters - A/D and D/A conversion. Objective: To introduce the basics of digital circuits using building blocks such as gates and Flip Flops and their applications. 23. 24. Number systems- Conversions Boolean Algebra postulates Logic gates Truth Table Boolean function implementation 50m 3 BB 50m 3 BB 25. Universal gate realization of Boolean expressions 50m 3 BB 26. Adders - Half and Full adders Subtractors - Half and Full Subtractors 50m 3 BB 27. Flip Flops - RS, JK, T and D Truth table 50m 3 BB 28. Counters Synchronous and Asynchronous counter 50m 3 BB 29. Registers SISO, SIPO, PIPO and PIPO 50m 3 BB 30. Analog Digital Converter 50m 3 BB 31. Digital to analog Converters 50m 3 BB
Unit : IV Branch : ME Semester: IV Page 04 of 06 UNIT IV 8085 MICROPROCESSOR 9 Block diagram of microcomputer-architecture of 8085 - Pin configuration-instruction set - Addressing modes - Simple programs using arithmetic and logical operations. Objective: To introduce the 8085 microprocessors; Architecture and Programming in assembly language. 32. Digital Computer block diagram 50m 2, 5 BB 33. 8085 Microprocessor-Architecture 50m 2, 5 OHP 34. Signals and pin configuration 50m 2, 5 OHP 35. Execution of programs 50m 2, 5 BB 36. Instruction set-type of Instructions 50m 2, 5 BB 37. Addressing Modes 50m 2, 5 BB 38. Programs Logical operations 50m 2, 5 BB 39. Programs Array operations 50m 2, 5 BB 40. Programs Arithmetic operations 50m 2, 5 BB 41. CAT-II 90m - -
Unit : V Branch : ME Semester: IV Page 05 of 06 UNIT V INTERFACING AND APPLICATIONS OF MICROPROCESSOR 6 Basic interfacing concepts - Interfacing of Input and Output devices - Applications of microprocessor Temperature control, Stepper motor control, traffic light control Objective: To introduce the principle of interfacing devices with microprocessors; techniques for measurement and control using microprocessors. 42. Programmable peripheral interface 50m 5 BB 43. Input and output ports and data transfer through them 50m 5 BB 44. I/O instructions 50m 5 BB 45. Temperature control 50m 5 OHP 46. Stepper motor control 50m 5 OHP 47. Traffic light control 50m 5 OHP 48. CAT-III 90m - -
Branch : ME Semester: IV Page 06 of 06 Course Delivery Plan: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Week I II I II I II I II I II I II I II I II I II I II I II I II I II I C Units A T 1 I II III IV C A T 2 V C A T 3 REFERENCES: 1. Milman and Halkias, Integrated Electronics, Tata McGraw-Hill publishers, 1995. 2. Ramesh Goankar, Microprocessor Architecture, Programming and Applications with 8085, Wiley Eastern, 1998. 3. Malvino and Leach, Digital Principles and Applications, Tata McGraw-Hill, 1996 4. Mehta V.K, Principles of Electronics, S. Chand and Company Ltd, 1994. 5. Dougles V.Hall, Microprocessor and Interfacing, Programming and Hardware, Tata McGraw Hill, 1999. 6. Salivahanan S, Suresh Kumar N, Vallavaraj A, Electronic Devices and Circuits First Edition, Tata McGraw-Hill, 1999. Prepared by Approved by Signature Name R.Sunder G.A.Sathishkumar Dr.R.Amutha Designation Assistant Professor HOD - EC Date 30/10/09 30/10/09