KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS)

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1 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) Sponsored by S.K.P.V.V. Hindu High School Committee Kothapeta, Vijayawada A College with Potential for Excellence (CPE) All India 92 nd Rank in NIRF by MHRD ISO CERTIFIED INSTITUTION NAAC with A Grade Class: Semester: Title of The Paper: Paper Code: W.E.F I B.Sc. MECS I BASIC CIRCUIT THEORY CBELE101A Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Week Duration of Semester End Examination in Hours Max Marks Theory Practical CIA SEE 3 Hours Credits Program objective In this course, you will be introduced to the concepts and definitions of charges, currents, voltages, power, and energy. You will learn the voltage- current relationship of basic circuit elements resistors, inductors, capacitors, dependent and independent voltage and current sources; apply Kirchhoff s current and voltage laws to circuits in order to determine voltage, current and power in branches of any circuits excited by DC voltages and current sources. Apply simplifying techniques to solve DC circuit problems using basic circuit theorems and structured methods like node voltage and mesh current analysis. The goal also includes derivation of the transient responses of RC and RL circuits, steady state response of circuits to sinusoidal excitation in time domain, application of phasors to circuit analysis, introduction to non-linear electronic devices such as diodes. This course contributes to the following Program Learning Outcomes: 1.1 Comprehensive, theory based understanding of the underpinning natural and electronic sciences and the engineering fundamentals applicable to the engineering discipline. 1.3 In-depth understanding of specialist bodies of knowledge within the electronic discipline. 2.2 Fluent application of engineering techniques, tools and resources. 3.2 Effective oral and written communication in professional and lay domain. BASIC CIRCUIT THEORY UNIT- 1: (12Hrs) SINUSOIDAL ALTERNATING WAVEFORMS:

2 Definition of current and voltage. The sine wave, general format of sine wave for voltage or current, phase relations, average value, effective (R.M.S) values. Differences between A.C and D.C. Basic elements and phasors: Basic Response of R, L & C elements, frequency response of basic elements. (problems) UNIT-II: (14hrs) PASSIVE NETWORKS: (D.C) Kirchhoff s current and Voltage Law s,resistor, Capacitor, and Inductor, series and parallel networks. Branch current method, Mesh Analysis, Nodal Analysis, star to delta & delta to star conversions, z-parameter, Y-parameters and h-parameters. UNIT-III: (12hrs) NETWORKS THEOREMS: (D.C) Superposition Theorem, Thevenin's Theorem, Norton's Theorem, Maximum Power, Milliman and Reciprocity theorems (problems). UNIT-IV: (12hrs) RC AND RL CIRCUITS: Transient response of RL and RL circuits with step input, Time constants, Frequency response of RC and RL circuits, their action as low pass, high pass and Band pass filters. Passive differentiating and integrating circuits and RL and RLC circuits.. (problems) UNIT-V: (10hrs) SERIES AND PARALLEL RESONANCE CIRCUITS: Series resonance and parallel resonance circuits, Q - Factor, Selectivity and band width, Comparison of series and parallel resonance, Tank circuit-lc oscillations. TEXT BOOKS: 1. Introductory circuit Analysis (UBS Publications) ---- Robert L. Boylestad. 2. Electronic Devices and Circuit Theory --- Robert L. Boylestad & Louis Nashelsky. 3. Circuit Analysis by P.Gnanasivam- Pearson Education REFERENCE BOOKS: 1. Engineering Circuit Analysis By: Hayt & Kemmerly - MG. 2. Networks and Systems D.Roy Chowdary. 3. Unified Electronics (Circuit Analysis and Electronic Devices) by Agarwal-Arora 4. Electric Circuit Analysis- S.R. Paranjothi- New Age International.

3 MODEL PAPER Paper-I: BASIC CIRCUIT THEORY SUB: ELECTRONICS-I(SEMESTER-I) MARKS: 75 PAPER CODE: CBELE101 TIME: 3HOURS SECTION-A (5 X 10= 50M) ANSWER THE FOLLOWING QUESTIONS: 1)a) Explain Phasor representation of sinusoidal voltages and currents. (Or) b) Derive an expression for average value of an AC and RMS value of an AC. 2) a) State and explain Kirchhoff s laws. Describe the loop current method for single source network. (Or) b) How do you to convert star to delta and delta to star conversions. 3)a) State and prove Maximum power transfer theorem and Reciprocity theorem. (Or) b) State and prove Thevenins and Norton s theorem? 4)a) Discuss transient response of an R.C Circuit for D.C source. (Or) b) What is a Low pass filter and discuss the frequency response of RC and RL circuits with necessary Mathematical theory? 5)a) Draw the series resonance circuit. Deduce an expression for a resonant frequency, bandwidth, Q-factor and selectivity. (Or) b) Draw the parallel resonance circuit. Deduce an expression for a resonant frequency, bandwidth, Q-factor and selectivity. SECTION-B (5 X 5 =25M) II) ANSWER ANY FIVE QUESTIONS: 6) Find peak, average and R.M.S values of an AC current represented by I=28.4sin 628t. And also find frequency. 7) What is alternating current? How it differs from direct current? 8) Explain Node voltage Analysis of single network with example. 9) Draw and explain series and parallel circuits for resistances? 10) State and prove super position theorem. 11) With the neat diagram explain the operation of RC integrator circuit. 12) explain the frequency response of RC high pass filter. 13) Compare series and parallel resonance circuits.

4 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) Sponsored by S.K.P.V.V. Hindu High School Committee Kothapeta, Vijayawada A College with Potential for Excellence (CPE) All India 92 nd Rank in NIRF by MHRD ISO CERTIFIED INSTITUTION NAAC with A Grade Class: Semester: Title of The Paper: Paper Code: W.E.F I B.Sc. MECS II Electronic Devices and Circuits CBELE201A Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Week Duration of Semester End Examination in Hours Max Marks Theory Practical CIA SEE 3 Hours Credits OBJECTIVES of the subject: o the principles of circuit analysis and design, o the basic concepts and characteristics of the electronic devices and circuits. Tutorials complete the lectures and develop the ability of analyzing actual electronic circuits that implements the basic circuits presented at the lectures. Laboratory work has been developed to give the student practice in the experimental setup, measurement, and analysis of basic electronic devices and circuits. Design project is the activity to which this subject is focused. The project improve the student ability to see the simplicity in a complex design problem, a skill that is not usually taught in engineering classes. The design project will require significant design effort, simulations and/or lab work, and a written report. The course as a whole outlines some ways of thinking about analog circuits that hopefully will help to develop intuition. By the end of this subject, students should have acquired reasonable proficiency in the analysis and design of basic electronic circuits. COURSE OUTCOMES: 1. Students will understand alternating current concepts with application to solidstate devices. 2. will understand the theory of operation of solid-state devices.

5 3. will be able to apply circuit techniques to AC solid-state circuits. 4. will understand the analysis of solid-state circuits utilizing characteristic curves. 5. will understand the analysis of solid-state circuits utilizing equivalent circuits or models and applying the fundamental circuit theorems rather than memorizing equations. 6. will be able to explain the functioning of various solid-state devices, including several types of diodes (conventional, zener, and light-emitting), bi-polar junction transistors, and field-effect transistors. 7. will be able to explain basic circuits like dc and biasing circuits, small-signal ac circuits with emphasis on single-stage amplifiers, and digital switching circuits. 8. will be able to acquire hands-on laboratory experience, utilizing oscilloscopes and other modern test equipment. Electronic Devices and Circuits UNIT 1: (12Hrs) PN JUNCTION DIODES: P-N junction Diode, Depletion region, Barrier Potential, Working in Forward and Reverse bias condition Junction capacitance,diode current equation Effect of temperature on reverse saturation current construction, working, V-I characteristics and simple applications of varactor diode, Zener diode and Tunnel diode. UNIT II:(12hrs) BIPOLAR JUNCTION TRANSISTOR AND ITS BIASING: (D.C) Introduction, Transistor Construction, Operation, and characteristics of CB, CE, and CC Configurations. current amplification- r e l a t i o n b e t w e e n α, β,, Complete hybrid equivalent model, Transistor as a switch, DC-load line analysis, Q-point and stability factor.bjt Biasing: Fixed-Bias Circuit, Emitter-Stabilized Bias Circuit, Voltage-Divider Bias, Bias Stabilization. UNIT-III:(16hrs) FIELD EFFECT TRANSISTORS, UJT & SCR: Introduction, Construction, Operation and Characteristics of FET/JFET, Drain and Transfer characteristics, Depletion-type, and Enhancement-Type MOSFETs. UJT construction-working,v-i characteristics, UJT as a Relaxation oscillator. Silicon Controlled Rectifier (SCR): Structure and working of SCR. Two transistor representation, Characteristics of SCR. Experimental set up to study the SCR characteristics, Application of SCR for power control. UNIT IV: (08hrs)

6 PHOTO ELECTRIC DEVICES: Light-Emitting Diodes (LEDs), IR Emitters, Photo diode, Photo transistors, Structure and operation of LDR, and Opto-Isolators. UNIT-V:(12hrs) POWER SUPPLIES: Rectifiers::Half wave,full wave and bridge rectifiers-efficiency-ripple factor- Regulation, Types of filter-choke input(inductor) filter, shunt, L-section&π-section filters, Block diagram of regulated power supply, Three terminal fixed voltage I.C.regulators(78XX and &79XX)-Principle and working of SMPS(switch mode power supplies)and differences between UPS and SMPS. TEXT BOOKS: 1. Electronic Devices and Circuit Theory --- Robert L. Boylestad & Louis Nashelsky. 2. Electronic Devices and Circuits I T.L.Floyd- PHI Fifth Edition REFERENCE BOOKS: 1. Integrated Electronics Millmam & Halkias. 2. Electronic Devices & Circuits Bogart. 3. Sedha R.S., A Text Book Of Applied Electronics, S.Chand & Company Ltd

7 Paper-I: ELECTRONIC DEVICES AND CIRCUITS SUB: ELECTRONICS (SEMESTER-II) MARKS: 75 PAPER CODE: 2003ELE16 TIME: 3 HOURS SECTION-A (5 X 10= 50M) ANSWER THE FOLLOWING QUESTIONS 1)a) What is P-N junction? Explain the working and V-I characteristics of P-N junction diode? (Or) b) Explain the working of Zener Diode? Draw the V-I characteristics of Zener diode? 2) a) Explain the input and output characteristics of Common Emitter Configuration of a Transistor? (Or) b) Define H- parameters? Describe how they determined from the characteristics from CE configuration? 3) a) Discuss the structure and working of an JFET and explain its characteristics? (Or) b) Explain the construction and working of Silicon controlled rectifier (SCR) and write its applications? 4)a) Discuss the principle and working and characteristics of LDR? (Or) b) What are photo transistors? Give its circuit symbol, principle and working of Photo transistor? 5)a) Draw the circuit diagram of Full wave rectifier and explain its operation. Discuss its efficiency? (Or) b) Draw and explain principle and working of switch mode power supply(smps)?

8 SECTION-B (5 X 5 =25M) II) ANSWER ANY FIVE QUESTIONS: 6) Explain the working of varactor Diode? 7) Obtain the expression for the diode equation of a P-N junction diode? 8) Explain the working of NPN transistor? 9) Draw and Explain the fixed bias circuit? 10) Distinguish between BJT and FET? 11) Explain the working of UJT relaxation oscillator? 12) Explain the operation of Opto-Isolators? 13) Explain the differences between half wave rectifier and Full wave rectifier

9 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE Class: Semester: Title of The Paper: Paper Code: W.E.F II B.Sc. MECS III DIGITAL ELECTRONICS CBELE Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Duration of Semester End Max Marks Week Examination in Hours Theory Practical CIA SEE 3 Hours Credits OBJECTIVE More broadly, they will be ready to handle substantial and challenging design problems. In particular, students will be able to: Explain the elements of digital system abstractions such as digital representations of information, digital logic, Boolean algebra, state elements and finite state machine (FSMs). Design simple digital systems based on these digital abstractions, using the "digital paradigm" including discrete sampled information. Use the "tools of the trade": basic instruments, devices and design tools. Work in a design team that can propose, design, successfully implement and report on a digital systems project. Communicate the purpose and results of a design project in written and oral presentations. Course Outcomes Student will be able to Describe how analog signals are used to represent digital values in different logic families, including characterization of the noise margins. Create the appropriate truth table from a description of a combinational logic function. Create a gate-level implementation of a combinational logic function described by a truth table using and/or/inverter gates, MUX S or ROMs, and analyse its timing behaviour. Create a state transition diagram from a description of a sequential logic function and then convert the diagram into an implementation of a finite-state machine with the appropriate combinational and sequential components. Describe the operation and timing constraints for latches and registers. Draw a circuit diagram for a sequential logic circuit and analyse its timing properties (input setup and hold times, minimum clock period, output propagation delays). Evaluate combinational and sequential logic designs using various metrics: switching speed, throughput/latency, gate count and area, energy dissipation and power Properly incorporate synchronous and asynchronous memories into a circuit design. Discuss how to interface digital circuits with analog components (ADC, DAC, sensors, etc.).

10 Digital Electronics Unit I (9hrs) NUMBER SYSTEM AND CODES: Decimal, Binary, Hexadecimal, Octal, BCD, Conversions, Complements (1 s, 2 s,9 s and 10 s), Addition, Subtraction, Gray, Excess-3, inter Code conversion between number system Unit- II (12hrs) BOOLEAN ALGEBRA AND THEOREMS: Boolean Theorems, De-Morgan s laws. Digital logic gates, Multi-level NAND & NOR gates. Standard representation of logic functions (SOP and POS), Minimization Techniques (Karnaugh Map Method: 4 variables), don t care condition. Unit-III (15hrs) COMBINATIONAL DIGITAL CIRCUITS: Adders-Half & full adder, Subtractor-Half and full subtractor, Parallel binary adder, Magnitude Comparator, Multiplexers (2:1,4:1)) and Demultiplexers (1:2,4:1), Encoder (8- line-to-3-line) and Decoder (3-line-to-8-line). IC-LOGIC FAMILIES: TTL logic, DTL logic, RTL Logic, CMOS Logic families (NAND&NOR Gates),Bi-CMOS inverter, ECL Logic UNIT-IV (14hrs) SEQUENTIAL DIGITAL CIRCUITS: Flip Flops: S-R FF, J-K FF, T and D type FFs, Master-Slave FFs, Excitation tables, Registers:-shift left register, shift right register, Counters - Asynchronous- Mod16, Mod-10, Mod-8, Down counter,,synchronous-4-bit &Ring counter. UNIT-V (10hrs) MEMORY DEVICES: General Memory Operations, ROM, RAM (Static and Dynamic), PROM, EPROM, EEPROM, EAROM, PLA (Programmable logic Array), PAL (Programmable Array Logic), introduction of PLC S TEXT BOOKS: 1. M.Morris Mano, Digital Design 3 rd Edition, PHI, New Delhi. 2. Ronald J. Tocci. Digital Systems-Principles and Applications 6/e. PHI. New Delhi (UNITS I to IV ) 3. G.K.Kharate-Digital electronics-oxford university press 4. S.Salivahana&S.Arivazhagan-Digital circuits and design 5. Fundamentals of Digital Circuits by Anand Kumar Reference Books : 1. Herbert Taub and Donald Schilling. Digital Integrated Electronics. McGraw Hill S.K. Bose. Digital Systems. 2/e. New Age International D.K. Anvekar and B.S. Sonade. Electronic Data Converters : Fundamentals & Applications. TMH Malvino and Leach. Digital Principles and Applications. TMG Hill Edition.

11 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE Class: Semester: Title of The Paper: Paper Code: W.E.F II B.Sc. MECS IV ANALOG AND DIGITAL IC APPLICATIONS CBELE Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Duration of Semester End Max Marks Week Examination in Hours Theory Practical CIA SEE 3 Hours Credits Course Objective: To make the student understand the basic concepts in the design of electronic circuits using linear integrated circuits and their applications. To introduce some special function ICs.OP-AMP To be able to use computer-aided design tools for development of complex digital logic circuits To be able to model, simulate, verify, analyse, and synthesize with hardware description languages To be able to design and prototype with standard cell technology and programmable logic. To be able to design tests for digital logic circuits, and design for testability Learning Outcome: Upon completion of the course, students will be able to: Understand the basic building blocks of linear integrated circuits and its characteristics. Analyse the linear, non-linear and specialized applications of operational amplifiers. Understand the theory of ADC and DAC. Able to use computer-aided design tools for development of complex digital logic circuits. Able to model, simulate, verify, analyze, and synthesize with hardware description languages. Able to design and prototype with standard cell technology and programmable logic. Able to design tests for digital logic circuits, and design for testability.

12 Analog and Digital IC-Applications Unit I (10hrs) OPERATIONAL AMPLIFIERS: Definition, Basic op-amp, op-amp parameters, Ideal op-amp, Block diagram of op-amp, inverting, non inverting, virtual ground, Adder, subtractor, summing amplifier, voltage follower,, voltage to current convertor,integrator, differentiator, differential amplifier, Logarithmic amplifier. Unit- II (15 hrs) OP-AMP CIRCUITS: voltage regulator, comparator,zerocross detecting circuit, instrumentation amplifier, multivibrators - astable, monostable, Bi-stable, Schmitt trigger. sine wave generator, square wave generator, triangular wave generator, Active filters 1st order (Basics) - low pass, high pass, band pass filter band rejection filter IC-555 functional block diagram and mention it s applications Unit-III (15hrs): COMBINATIONAL & SEQUENTIAL LOGIC CIRCUITS (IC- Applications): Design of Code convertor: BCD to Seven Segment, BCD to Grey, Grey to Binary. Design of Counters using State Machine: Mod N counter, Pre-set Table, Binary Up/Down Counter. Design of Universal Shift Register UNIT-IV (10hrs) DATA CONVERTERS: A/D converter:- Successive Approximation ADC,-Single slope and dual slope converter, Sigma-delta ADC, D/A converter: R-2R Ladder network, Binary Weighted, compartor type (flash) A/D converter,specifications of ADC & DAC. UNIT-V (10hrs) DIGITAL SYSTEM INTERFACING AND APPLICATIONS: interfacing of LED s Applications of Counters: Digital Clock Applications of Shift Registers: Parallel to Serial,Serial to Parallel, UART TEXT BOOKS: 1. G.K.Kharate-Digital electronics-oxford university press 2. M.Morris Mano, Digital Design 3 rd Edition, PHI, New Delhi. 3. Op Amp and Linear Integrated Circuits By Ramakant Gaykwad 4. Linear Integrated Circuits By Roy Choudary Reference Books : 1. Jacob Millan,Micro Electronics,McGraw Hill. 2. Mithal G K, Electronic Devices and Circuits Thana Publishers. 3. Allan Motter shead,electronic Devices and Circuits An Introduction- Prentice Hall

13 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V. Hindu High Schools Committee) Kothapeta, Vijayawada-1 (An Autonomous College in the Jurisdiction of Krishna University) ISOPOINTS) ISO CERTIFIED INSTITUTION NAAC A Grade Class: Semester: Title of The Paper: Paper Code: W.E.F III B.Sc. MECS V MICROPROCESSORS 8085&86 CBELE Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Duration of Semester End Max Marks Week Examination in Hours Theory Practical CIA SEE 3 Hours Credits Course objectives: This course introduces the assembly language programming of 8085 and It gives a practical training of interfacing the peripheral devices with the 8086 microprocessor. The course objective is to introduce the basic concepts of microprocessor r and to develop in s students the assembly Lang uage pro ramming ski ills and real time ap plica tio ns of Microprocessor Course outcomes On completion of this course the students will be able to: 1. Understand and apply the fundamentals of assembly level programming Of microprocessors pin configurations and architectures 2.analyse and design memory and memory systems. 3. Understand the fundamentals of the microprocessors Computing environment such as hardware functions and processor architecture. 4. Analyse, design, build and test hardware and software applications. 5. Use assembly language (and a higher level language may be used as well).

14 MICRO PROCESSOR 8085 $ 8086 Max. 60 hrs Unit-I (15 hrs) Introduction to Microprocessor, INTEL -8085( P) Architecture, CPU, ALU unit, Register organization, Address, data and control Buses. Pin configuration of 8085, Instruction set of Addressing modes, Instructions cycle, Machine cycle, Fetch and execute cycles, Instruction and data formats, classifications of instructions, Stack and subroutine Assembly language programming 8 bit (Addition subtraction) 16-bit (Add-Sub), 8-bit multiplication& division, Ascending order, descending order, PPI 8255 Unit-II: Architecture of 8086 (15 hrs) Concepts of parallel processing, Memory segmentation, Features of 8086, Internal Architecture of Pin-diagram of 8086, Minimum and Maximum modes, physical Address, flag register, Interrupts of 8086 system. Programming (using masm ) Unit-III: Instruction set & Programming 8086: (10hrs) Instruction format, Addressing Modes, Instruction set, Data transfer set, Arithmetic set, logical group, Branch group, loop control, string, processor control instructions Unit-IV: Advanced processors: (10 hrs) Introduction to arm processor, ARM-7 architecture, instruction set programming model of ARM, Thumb instruction set organization ARM based MPC, ARM 16/32 microprocessor. Unit V 10 hrs Dedicated Peripheral interfacing: Need for DMA and Interfacing with DMA controller chips. (Intel 8257/8237 ICs), (Intel 8279) interfacing, programmable communication interface serial and parallel data transmission formats, UART/USART interfacing, Intel 8251 IC, (Intel 8087 NDP). Books: 1. Digital Electronics & Micro Processor - B.RAM 2. Computer Organization - HAYES 3. X86 Micro Processors Programming - VENUGOPS & RAJ KUMAR 4. Advanced Micro Processor - ASHOK ROY 5. Micro Processor theory and application Intel and Motorola- RAFIQUZZAMAN.

15 MODEL QUESTION PAPER PAPER-5 MICROPROCESSORS 8085 $8086 Max marks: 75 Section-A Answer all Questions: 5X10=50M 1. A) Draw the architecture of 8085 micro Processor? Explain the function of each block? B) Discuss the functions of Address, data and control buses? 2. A) Discuss the Instruction set of 8085 Microprocessor? B) Write an assembly language program for 2 16 bit Addition? 3.A) Draw the pin diagram of 8086? Explain the function each pin? B) Analyse the instruction format? Discuss the Addressing modes of 8086? 4.A)Draw and Explain the Architecture of ARM Processor? B) Discuss in brief the instruction set of ARM 7 Processor? 5.A) Draw explain the PIN configuration of DMA 8257? B) Draw and explain the architecture of USART Intel 8251? Section-B Answer any FIVE from the following Questions: 5X5=25M 15) Discuss the CPU and ALU unit s functions of 8085? 16) Discuss the register organization of 8085? 17) Give a Brief note on Instruction cycle, Fetch cycle and Execute cycle? 18) Write an assembly language program to 2 8 bit subtraction? 19) Discuss Minimum and Maximum modes of 8086? 20) Give a Brief note on flag regester? 21) Draw the architecture of Intel 8279 programmable keyboard/display controller? 22) Discuss the process of serial & parallel data transmission formats

16 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S. K.P. V. V. Hindu High Schools Committee) Kothapeta, Vijayawada A College with Potential for Excellence (CPE) (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE Class: Semester: Title of The Paper: Paper Code: W.E.F III B.Sc. MECS V ANALOG & DIGITAL COMMUNICATION CBELE Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Duration of Semester End Max Marks Week Examination in Hours Theory Practical CIA SEE 3 Hours Credits Objective 1) Knowledge about principles and techniques of modern communication,transmitter,receiver systems Outcomes: 1) Student understand the basic signals and systems 2) Student understand Fourier transform and its properties 3) Student can design bandpass, lowpass, and highpass filter. 4) Knowledge in various methods of analog and digital communications, including amplitude (AM), frequency modulation (FM), and phase modulation (PM) 5) Student understand the basic knowledge necessary for transmitting and receiving information 6) Student understand different types of modulation and demodulation 7) Student can solve analog and digital modulation problems Assignments that demonstrate accomplishment of this outcome:.. Simulate the modulation and demodulation of signals.

17 SYLLABUS UNIT 1 10hrs Amplitude Modulation: Need for modulation, Different types of Modulations & their comparisons, Block Diagram and Explanation of Radio transmitter and radio Receiver, Analysis of AM wave Side Bands, Power and Current Relations, Simple AM Circuit and it s working, detection of AM Diode Detector. UNIT 2 10hrs Frequency Modulation: Advantages of FM, frequency spectrum Analysis, FET Reactance Modulator, Detection of FM waves, FM Stereo (Ratio Detector only) UNIT 3 15hrs Pulse Modulation: Introducing to Pulse Transmission, sampling Theorem, Pulse Amplitude, Modulation (PAM) Pulse width Modulation (PWM), Pulse Position, Modulation (PPM), Frequency Division Multiplexing (FDM), Time Division Multiplexing (TDM). UNIT 4 10 hrs Digital Communications: Introduction, Bit Transmission Signalling Rate, Error Probability, PCM Encoding& Decoding, DPCM, Delta modulation. UNIT 5 15hrs Digital Carrier System: Amplitude shift keying (ASK), Frequency Shift Keying (FSK), Phase Shift Keying (PSK), Differential Shift Keying (DPSK). Different codes (Error Detection & Correction Codes) like BCD, ASCII and Hamming codes. TEXT BOOKS: 1. ELECTRONIC COMMUNICATION SYSTEMS --GEORGE KENNEDY 2. ELECTRONIC COMMUNICATIONS --RODDY & COOLEN REFERNCE BOOKS: 1. ELECTRONIC COMMUNICATION SYSTEMS --Taub and Schilling

18 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE ELECTRONICS CBELE B.SC (MECs) W.e.f: MODEL QUESTION PAPER ANALOG & DIGITAL COMMUNICATION SEMESTER V 75M Max marks: Answer all the questions SECTION A 5X10=50 M 1. a) Draw the block diagram of radio transmitter and explain each block? b) Draw the block diagram of radio receiver and explain each block? 2. a) Explain frequency modulation? draw and explain working of FET reactance Modulator? b) Draw and explain how FM waves can be detected using Ratio detector? 3. a) Explain pulse amplitude modulation(pam) with neat circuit diagram? b) Explain Time division multiplexing (TDM) with neat circuit diagram? 4.a) Explain pulse code modulation (PCM) with neat circuit diagram? b) Explain delta modulation? 5. a)explain amplitude shift keying? b) Explain differential phase shift keying DPSK?

19 Answer any five questions SECTION-B 5x5=25M 6. Draw and explain the working of AM diode detector. 7. Give the differences between AM and FM 8. State and explain sampling theorem. 9. Explain bit transmission, signalling rate 10.Give a brief note on ASCII, Hamming codes. 11.Explain side bands in AM wave. 12.Explain frequency spectrum in FM 13.Discuss Error detection and Error correction.

20 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE Class: Semester: Title of The Paper: Paper Code: W.E.F III B.Sc. MECS VI MICROCONTRLLER & IT S INTERFACING CBELE Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Duration of Semester End Max Marks Week Examination in Hours Theory Practical CIA SEE 3 Hours Credits Course Objectives To have knowledge about the basic working of a microcontroller system and its programming in assembly language. To provide experience to integrate hardware and software for microcontroller applications systems. Course Outcomes To acquire knowledge about microcontrollers embedded processors and their applications. Ability to understand the internal architecture and interfacing of different peripheral devices with Microcontrollers. Ability to write the programs for microcontroller..ability to understand the role of embedded systems in industry. ability to understand the design concept of embedded systems. Unit-I: Introduction to Microcontroller & its Architecture 15hrs Difference between microprocessor and microcontroller, Introduction to microcontroller- Advantages & its Applications of microcontroller, Architecture of 8051 microcontroller, Register set of 8051 microcontroller, PSW register, Stack and stack pointer, Pin description and port organization(i/o ports) of 8051 microcontroller, Memory organization of 8051 microcontroller - Data memory and program memory. Unit-II: Addressing Modes & Instruction set:- 15hrs Addressing Modes & Instruction set of 8051 microcontroller - Instruction format, classification of Instructions - Data Transfer Instructions, Arithmetic Instructions, Logic Instructions, single Bit Instructions, Branch Instructions - Jump, Loop & CALL Instructions- (each instruction with one example). Unit-III: Assembly Programming & Microcontroller Overview: - 10hrs Simple programming examples of 8051 microcontroller - (8-bit &16-bit) Addition & subtraction, BCD Addition, Multiplication, Division, largest & smallest number, Ascending & Descending orders in given array, Timers and counters of 8051 microcontroller(brief), Interrupts of 8051 microcontroller(brief), Basics of Serial Communication Simplex, Half duplex & Full duplex transmissions, Data framing, 8051 connection to RS232 & MAX 232, USART & UART (brief idea)

21 Unit-IV: Microcontroller & Peripherals Interfacing & Applications: - 10hrs Functional block diagram & its pin details of programmable peripheral Interface (PPI -8255), Interfacing of Parallel ADC (ADC 0804) and DAC (DAC 0808) with 8051 microcontroller, Interfacing of Stepper Motor with 8051 micro controller., LCD Interfacing, 7 segment Interfacing.(Interfacing practical s using keil (or) system supporting software.) Unit V 10 hrs Industrial Applications of Microcontrollers: Measurement Applications using sensors, Linear variable differential transformer (LVDT), Angular speed measurement (RPM meter), Digital Thermometer, Digital PID controller, RTOS with Text Books: - 1) The 8051 microcontroller & Embedded systems - Mohammed Ali Mazidi 2) Microcontrollers (Architecture, Programming, Interfacing & System Design) - Raj kamal 3) The 8051 microcontroller - Kenneth J. Ayala Reference Books: - 1) Microcontrollers (Theory & applications) - Ajay V. Deshmukh. 2) The 8051 microcontroller - Ghodhsal 3) micro controllers - T.V. Guptha T.Anjaneyulu

22 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE Model Paper Microcontroller and its Interfacing Section-A Answer all the questions PAPER-7 5x10=50M 11. (a)draw the architecture of 8051 microcontroller? Explain the function of each block? (or) (a) Explain briefly about memory organization of 8051 microcontroller? 12. (a) What are the addressing modes of 8051 microcontroller? Explain each with one example. (or) (b) Explain briefly about Jump Instructions of 8051 microcontroller, each with one example? 3. (a). Write a program for ascending order in a given array? (or) (b)draw the block diagram of UART? Explain the function of each block? 4. (a) Discuss in detail Interfacing ADC(0804) with 8051 microcontroller? (or) (a) Discuss in detail Interfacing of 7 segment display with 8051 Microcontroller? 5) a). Explain angular speed measurement meter RPM using 8051 MC? (or) b) Explain the working of PID controller? Section-B Answer any five of the following questions 15. Discuss in detail about PSW Register? 16. Distinguish between Microprocessor & Microcontroller? 17. Explain the function of the following Instructions. (a) MOV (b) MOVX (c) MOVC. 18. Explain briefly CALL Instructions with one example? 5x5=25M 19. Write an assembly language program for multiplication of two 8 bit numbers? 20. Discuss in brief basics of serial communication? 21. With the help of neat diagram, explain the working of Stepper Motor? 22. Explain the LVDT working using 8051 microcontroller?

23 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE Class: Semester: Title of The Paper: Paper Code: W.E.F III B.Sc. MECS VI INDUSTRIAL ELECTRONICS CBELE Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Duration of Semester End Max Marks Week Examination in Hours Theory Practical CIA SEE 3 Hours Credits OBJECTIVE This course is designed as an introduction to the principles of analog and digital electronic circuits and motors for electronic students. This course builds upon the theories and experimental practices in electrical circuits taught in the pre-requisite course to develop a basic understanding of the operation of circuits containing amplifiers, transistors and diodes. In addition, basic digital circuits and simple microprocessors are discussed to prepare the student for microprocessors systems. The experimental skills developed during the laboratory portion of the prerequisite course together with the theory of this course will enable students to perform basic design and analysis of simple analog and digital electronic circuits and motors, data acquisition systems covered during this course. Course Outcome The theory should be taught and practical should be performed in such a manner that students are able to acquire different learning outcomes in cognitive, psychomotor and affective domain to demonstrate following course outcomes. i. Choose relevant thyristor for the given application ii. Troubleshoot AC & DC power control circuits employing thyristors iii. Troubleshoot inverter, chopper and cyclo-converters iv. Use photoelectric devices in relevant applications v. Use different types of choppers in specific applications vi. Maintain induction heating and dielectric heating equipment

24 Unit-I: TRANSDUCERS & ULTRASONICS 15hrs Introduction, classification of transducers, strain guage, variable resistance. Transducer, capacitive, Inductive, peizo-electric, LVDT, Thermocouples. Transducer applications accelerometers, techno generators, ultra sonic generations, pulsed echo ultrasonic flaw detector. Unit-II: INVENTERS & SPEED CONTROL OF AC &DC MOTORS 15hrs Classification of Inverters, basic series inverter, parallel inverter, PWM inverter - single, multiple and sinusoidal - Three phase Bridge inverter applications - DC Motor control introduction, speed control DC - Shunt Motor by using Ac voltage controllers, V/F control. Unit-III: RELAYS & AC REGULATORS, CHOPPERS, CONTROLLED RECTIFIERS 10hrs Classification of Relays, Electro magnetic relay, single phase ac regulator. Choppers, Modes of operations, applications. Unit-IV:applications 10hrs SMPS,UPS (online, off line topology),solid state Tap changer(two stage,multi stage) High frequency heating (Induction heating, Dielectric heating) Unit-V: DATA ACQUISITION SYSTEM 10hrs Single Channel Data Acquisition system, Multi-Channel Data Acquisition system. Applications of Data Acquisition system. ANALOG-TO-DIGITAL CONVERSION (ADC) Successive approximation A/D Converter, Flash A/D C onverter DIGITAL TO- ANALOG CONVERSION (D/A) R-2R ladder Network

25 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE ELECTRONICS CBELEA III B.SC(MECs) W.e.f: SEMESTER VI Model Paper PAPER-8 Industrial Electronics Max.Marks-75 Section-A Answer all the questions 5x10=50M 1. A) with the help of neat diagram explain the construction and working of LVDT? (Or) B) Discuss Flaw detection? Draw the diagram of pulsed -echo ultrasonic flaw Detector? 2. A) Discuss in brief the working of series inverter? Draw the output graphs? (Or) B) Explain in detail, How to control the speed of DC-shunt Motor by using AC Voltage controller? 3. A) Discuss the classification of Relays? Explain the working of Electromagnetic relay? (Or) B) Discuss in detail the single phase Full - wave ac regulator with load Resistance. 4. A) Draw and explain the working of SMPS? (Or) B). Explain the working of two stage, multi stage solid state tap changer 5. A) Explain the working of SAR method A/D converter? (Or) B) Discuss the working of R-2R Ladder network for D/A Conversion? Answer any FIVE questions Section-C 15. Explain the working of Piezo-electric transducer? 16. Discuss in detail about strain gauge? 17. Discuss the working of parallel inverter? 18. Give a brief note on Three-phase Bridge inverter with the help of diagram? 19. Discuss the modes of operation of chopper to control the output voltage? 20. Explain the process of high frequency induction heating? 21. Discuss the process of high frequency dielectric heating. 22. Mention the applications of Data acquisition system? 5x5=25M

26 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) GRADE ISO CERTIFIED INSTITUTION NAAC A Class: Semester: Title of The Paper: Paper Code: W.E.F III B.Sc. MECS VI ELECTRONIC INSTRUMENTATION CBELE Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Duration of Semester End Max Marks Week Examination in Hours Theory Practical CIA SEE 3 Hours Credits Objective Troubleshooting of electronic equipment is an essential requirement of Service sector industry. This course will help to develop skills to become professional technician with capability to measure electrical parameters using various instruments. By learning this course students will able to know basics of various Instruments, transducers and working of electronic circuits used in electronic test and measuring instruments. The course content should be taught and implemented with the aim to develop different types of skills leading to the achievement of following competency Maintain various electronic, test and measuring instrument. 3. COURSE OUTCOME The theory should be taught and practical should be carried out in such a manner that students are able to acquire different learning out comes in cognitive, psychomotor and affective domain to demonstrate following course outcomes. i. Measure various electrical parameters with accuracy, precision, resolution. ii. Use AC and DC bridges for relevant parameter measurement. iii. Select appropriate passive or active transducers for measurement of physical phenomenon. iv. Use Signal Generator, frequency counter, CRO and digital IC tester for appropriate measurement. v. Test and troubleshoot electronic circuits using various measuring instruments. vi. Maintain various types of test and measuring instruments.

27 SYLLABUS ELECTRONIC INSTRUMENTATION UNIT-I Measurements: 10hrs Basic block diagram of measurement system, Accuracy and precision, resolution, sensitivity, linearity,. Errors, systematic and random errors,standards &calibrations of an instrument. Applications of instrument UNIT II 10hrs Basic Measurement Instruments: DC measurement-ammeter, voltmeter, ohm meter, AC measurement, Digital voltmeter systems (integrating and non-integrating). Digital Multimeter; Block diagram principle of measurement of I, V, C. Accuracy and resolution of measurement. Measurement of Impedance- A.C. bridges, Measurement of Self Inductance (Anderson's bridge), Measurement of Capacitance (De Sauty bridge), Measurement of frequency (Wien's bridge). UNIT-III 15hrs Lock-in-amplifier: Basic Principles of phase locked loop (PLL), Phase detector (XOR& edge triggered), Voltage Controlled Oscillator (Basics, varactor), lock and capture. Basic idea of PLL IC (565 or 4046). Lock-in-amplifier, Idea of techniques for sum and averaging of signals. (8 Lectures) Signal Generators: Function generator, Pulse Generator, (Qualitative only). UNIT-IV 15hrs Analytical instruments Spectrophotometer, working with block diagram, features of spectrophotometer, P H meter - principle working with block diagram, features of P H meter. UNIT-V 10hrs Direct digital control (DDC), Distributed control system (DCS), PLC S: Block diagram, hardware, PLC operation, basic logic program(ladder logic), Applications of PLC S

28 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S. K.P. V. V. Hindu High Schools Committee) Kothapeta, Vijayawada A College with Potential for Excellence (CPE) (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE ELECTRONICS CBELEA III B.SC (MECs) W e f: SEMESTER VI MODEL QUESTION PAPER ELECTRONIC INSTRUMENTATION Max.Marks:75M Section-A Answer all the questions 5x10=50M 1. A) Draw the block diagram of basic measurement system? Explain each block B).Define error. Discuss systematic and random errors in an instrument? 2. A) Draw the block diagram of digital multi meter. Explain each block? B) Draw and explain the Wien s bridge for measurement of frequency? 3 A) Give the basic principle of PLL.Explain the working of PLL? B) Draw and explain the operation & working of function generator? 4 A) with the help of block diagram explain the working of Spectrophotometer? B) Explain principle working of P H meter with block diagram? 5. A) Draw and explain the operation & working of Distributed control system DCS? B) Draw and explain the operation & working of PLC? Section-B Answer any five questions 5x5=25M 6. Explain accuracy, resolution and sensitivity of an instrument. 7. Draw and explain measurement of self -inductance using Anderson s bridge 8. Discuss the working of voltage controlled oscillator. 9. Discuss the working of pulse generator

29 10. Mention and explain features of P H meter. 11. Discuss the working of direct digital controller 12. explain the applications of PLC 13. Discuss the standards & calibrations of an instrument.

30 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V.Hindu High Schools Committee) Kothapeta, Vijayawada (An Autonomous College in the Jurisdiction of Krishna University) ISO CERTIFIED INSTITUTION NAAC A GRADE Class: Semester: Title of The Paper: Paper Code: W.E.F III B.Sc. MECS VI OPTICAL FIBER COMMUNICATION CBELE Total No of Hours for Teaching - Learning 60 Hours Instructional Hours for Duration of Semester End Max Marks Week Examination in Hours Theory Practical CIA SEE 3 Hours Credits Objective: To expose the students to the basics of signal propagation through optical fibres, fibre impairments, components and devices and system design Course Outcomes: Students are able to : Recognize and classify the structures of Optical fibre and types. : Discuss the channel impairments like losses and dispersion. : Analyse various coupling losses. : Classify the Optical sources and detectors and to discuss their principle. : Familiar with Design considerations of fibre optic systems. : To perform characteristics of optical fibre, sources and detectors, design as well as conduct experiments in software and hardware, analyse the results to provide valid conclusions.

31 SYLLABUS Unit-I 1. Fibre Optic Communication: 7 hrs Introduction, optical fiber & its structure, Basic communication system using fibers, Nature of light, Advantages & Applications of Fiber optic communication, Total Internal reflection (TIR), Numerical aperture, (NA) Modes & Dispersion. 2. Optical Fiber Wave guides: 8 hrs Introduction, Step Index fibers, Inter & Intra Model dispersion, Single Mode Fibers, Multimode fibers & Graded Index fibers. Unit-II 3. Signal Degradation on optical fibers: 15 hrs Introduction, Fiber materials & its fabrication, Attenuation, Absorption, Radiative losses, core & cladding losses, signal distortion in optical wave guides, Fiber Related losses, splicing techniques, optical fiber connectors and optical couplers. Unit-III 4. Optical Sources & Detectors: 15 hrs Semiconductor as a optical source Light Emitting Diode (LED) and Laser Diodes (Optical Emitters) and its operating characteristics, optical Amplifiers, Semiconductor, Photodiode, Principles of photo detection PIN & APD Photo detectors. Unit-IV 5. Measurements: 15 hrs Introduction, Attenuation measurements cutback attenuation measurement, Optical Time Domain Reflector (OTDR) measurement, fiber fault location, Dispersion measurement- Time Domain dispersion Measurement, Frequency Domain dispersion measurements, Numerical Aperture (NA) measurement using scanning photo detector. Text Books: 1. Optical Fiber communications - GERD KEISER 2. Fiber Optic communications - JOSEPH C. PALAIS 3. Optical Fiber communications - JOHN.M.SENIOR Reference Books: 1. Introduction to Fiber Optics - Ajay Chatak, K. Thyagaraju 2. Advanced optical Fiber Communications - Kushal Roy 3. Optical Communication system - John Gowar 4. Fiber Optic Communication technology - Djafar K. Mynbaev, Lowell.L.Scheiner

32 KAKARAPARTI BHAVANARAYANA COLLEGE (AUTONOMOUS) (Sponsored by S.K.P.V.V. Hindu High Schools Committee) Kothapeta, Vijayawada-1 (An Autonomous College in the Jurisdiction of Krishna University) 1. ISOPOINTS) 2. ISO CERTIFIED INSTITUTION NAAC A GRADE ELECTRONICS CBELEA III B.SC MECS W.E.F: SEMESTER-VI MODEL QUESTION PAPER Max marks:75 OPTICAL FIBER COMMUNICATION Section-A Answer all the Questions: 5X10=50M 1. a) Draw and Explain the basic Communication Transmitter Block Diagram? b) Discuss in detail total internal reflection TIR? 2.a). Discuss in Detail Step indexed fiber mode? b).discuss graded indexed fiber Modes? 3 a) Discuss in Detail the signal distortion in Optical Wave guides? b) Describe the Core and cladding Losses in OFC? 4.a) Explain the construction & Working of Laser diode As an Optical Source? b) Discuss the principle of photo detection using PIN & APD Photo Detectors? 5.a) Explain the construction and Working of OTDR for Measurements in OFC? b) Discuss the working of scanning photo detector for NA measurement? Section-B Answer any FIVE from the following Questions: 5X5=25M 15. Give a brief note on DB9 Connector in Serial Port Communication? 16. What is numerical aperture? Derive an expression for numerical aperture? 17. Mention the applications of optical fibers? 18. Give a brief note on Absorption losses in optical fiber? 19. What is attenuation? Describe the function of optical fiber connectors? 20. What are the properties of optical detector? 21. Describe the working of LED as an optical source? 22. Explain about Time domain measurement in optical fibers?