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B.Sc. - Electronics, Mathematics, Physics |
| Semester I UNIT I Passive Componets: Resistors: Specification, tolecrance, rating colour code, power dissipation, type of resistors-Fixed and variable. Caoacutors: Specifications, color code, energy stored in a capacitor, types of capacitors-fixed and variable, electrolytic. Inductors: Specification, energy stored in an inductor,types-air core and iron core, chokes: Transfpromer: Working, classification, power losses in transformers and Fuses, switches and relays. Measuring instruments: D Arsoval movement-BMC instruments- multi range ammeter multirange voltmenter- loading effect, analog and digital multimeters (block diagrams only) CRO- block diagram of CRT- time base- synchronization- block diagram of CRO-measurement of voltage, frequency, phase measurement and Lissajous patterns. UNIT2 Transient analysis of RC and RL circuits, time constant-representation, energy stored in inductors and capacitors Current and Voltage sources: Ideal and real voltge and current sources D.C resistive circuits: Voltage divider and Current divider theorems, open and short circuits, Kirchhoffs laws- mesh analysis and node voltage method. UNIT 3 AC Circuits: Representation of a.c, sine wave-cycle, time period, frequency, average value, peak value (amplitude), peak to peak, r.m.s.value, phase and phase difference, power factor, form factor, phasor diagram, complex number, j operator, reactance and impedance. RL series and RC series circuits, RLC circuits: and parallel- impedance curve, selectivity, band width, Q factor- comparison between series RLC and parallel RLC circuits. Series and parallel Resonance circuits- condition for resonance, resonant frequency, half power frequencie, BW, quality factor (loaded and unloaded Q), comparison and application. UNIT4 Networks theorems (DC analysis) T and networks, inter- conversions, superposition theorem, thevenins theorem, nortons theorem, maximum power transfer theorem, reciprocity theorem, and millmans theorem- a.c analysis only for maximum transfer theorem and thevenin s theorem. UNIT5 Basic Semiconductor theory: Intrinsic Semiconductor, extrinsic semiconductor-N type and P type, un biased pn junction . Diode symbol, the diode curve, forward bias and reverse bias characteristics,the ideal diode, Ebbers Moll model, diode equation, bulk resistance, satic and dynamic resistance, PIV, junction capacitance. Breakdown in diode- zener and avalanche mechanisms, zener diode characteristics SemesterI- PRACTICALS
ALL THE 12 EXPERIMENTS ARE COMPULSORY. SUGGESTED EXPERIMENTS NOT FOR VALUATION 13 Charging and discharging charactrization of RC circuits ( voltage and current). 14 A.C response of RL and RC circuit- impedance and phase measurements. SemesterII Electronic circuits UNIT I Rectifiers,filters and regulators: Half wave,fullwave and bridge rectifiers-Rectification efficiency n and ripple factor Y in each case. Filters: Series inductor filter and shunt capacitor filter, LC filter, pie section filter performance, comparisons. Voltage regulators-Block diagram of regulated power supply-zener as a line and road regulator-design. UNIT II Special purpose diodes: Tunnel diodes-charecteristics-equivalent diagram-parameter-schottky diode, varacter diode-charecteristics,opto electronic device, LED, energy level diagram,principle,working seven segment display, LCD, photo diode, Solar cell. Applications of diode: Voltage Multiplier, biased positive and negative shunt type-clipping circuits, clamping circuits, detector. UNIT3 Bipolar junction transistor: Transistor symbol, NPN/PNP- working CB,CE and CC mode, current gain, a,b,& y relation- input and output charateristic of CB and CE, Configuration-leakage current- base spreading resistance, Data sheet-I (max) P (max), switching, power, small signal and large signal transistors. Transistor Biasing: Need for biasing-load line-operating point, thermal runaway fixed bias with and without emitter resister-voltage divider bias-design- bias stability-stapility factor determination in each case- importance of voltage divider bias UNIT4 Small signal voltage amplifier: Classification of amplifiers-concept of amplification-CE Amplifier-r model-frequency response-h-parameter- hybrid equivalent model of a transistor in CE moce-ac equivalent circuit of small signal amplifier using hybrid modelexpression for current gain-voltage gain input and output impedance using exact model-problems based on only exact model, Swanped amplifier. UNIT5 Multistage amplifier: Cascaded stages-analysis of a two stage RC coupled amplifier-distortion in amplifiers-direct coupled amplifier. Other configurations: Emitter follower-impedance matching-Darlington Pair. Power amplifier: Classification of large signal amplifier, ac load line, class A single ended power amplifier- power dissipation, output power calculation-efficiency-class B push pull (transformer coupled) amplifier-harmonic distortion-output power calculation-efficiency, complementary class B push pull amplifier-crossover distortion, heat sinks. Tuned amplifier: Class C power amplifier-single tuned, diyble tuned amplifier-resonant load-frequency response-power relation, efficiency-application in communication circuits SemesterII-Practical
ALL THE 12 EXPERIMSENTS ARE COMPULSORY. SUGGESTED EXPERIMENTS NOT FOR VALUATION
III Semester Linear ICS and Application UNIT1 Field Effect Transistors: Construction and working of JFET, drain characteristics, transconductance characteristics, FET paramenterers, FETapproxiation-Shockleys equation, CS amplifier , comparison of FET with BJT, MOSFET circuits-working of Depletion and Enhancement types. MOSFET as a variable voltage resistor. Switching circuits: UJT construction, working-application as oscillator-SCS-SCR Characteristics-half wave and full wave rectifier-diac-triac. Introduction to Ics: Advantages-limitation-scale of integration-classification of Ics Monolithic Ics-linear and digital Ics. IC terminology, Fabrication of monolithic IC- resistor, diode, capacitor and transistor. UNIT2 Differential amplifier: Dual input balanced and unbalanced output-dc and ac analysis-input impedance-output impedance-common mode gain differential gain CMRR-Current mirror Operational Amplifier: Block diagram-Equivalent circuit characteristics of ideal and Practical Op Amp-pin configuration of IC741-paramentrs-input bias current, input offset voltage, CMRR,Transient response, Slew rate, SVRR thermal drift, freqyebct compensation. Open loop gain in inverting and-non-inverting mode differential gain-limitations. UNIT3 Op Amp with negative feedback: Feedback-types of feedback-closed loop voltage gain using block diagram-advantages of negative feedback-types of negative feedback-voltage series feedback-non inverting amplifier-gain, input and output impedances, band width-total output offset Voltage with feedback voltage follower. Voltage shunt feedback-inverting amplifier ground input and output impedances-bandwidth-total output offset voltage with feedback-current to voltage converter. UNIT4 Operational amplifier applications: Adder, sign changer, Scale changer and difference amplifier-instrumentation amplifier-V to I and I to V converter integrator-Differentiator-Logarithmic and antilogarithmic amplifiers, Small siganal half wave rectifiers, positive and negative clampers. Comparators: Basic comparator, comparator characteristics- comparator Ics-Schmitt triggers. Active filters: Importance of active filters-first order butter worth low pass, high pass, band pass and band elimination filters-problems based on designing, all pass filter. UNIT5 Oscillators: Basic principle of Oscillator-tank circuit-barkhausen LC oscillators-Hartley and colpitts RC oscillatiors-phase shift oscillator-wein bridge oscillator-derivation of expression for frequency of oscillation in each case (using only feedback network), Crystal oscillator, Sweep generator, voltage Controlled Oscillator. Multivibrators. Types of multivibrators Block diagrams of astable, monostable and bistable multivibrators-Monostable and Astable Multivibrators using IC 555. IC regulators: Classification as linear and switching regulator, fixed and variable voltage regulators,78Xxseries, 79Xxseries and IC LM 317, series and shunt regulator. Practicals
Filters using OP-AMP- Frequency response.
ALL THE 12 EXPERIMENTS ARE COMPULSORY SUGGESTED EXPERIMENTS NOT FOR VALUATION
IV Semester DIGITAL ELECTRONICS UNITI NUMBER SYSTEMS: Decimal, Binary, Octal and Hexadecimal their inter conversion. BCD numbers (8421) UNIT2 LOGIC GATES and BOOLEAN ALGEBRA: Positive and Negative Logic, Basic logic gates- AND, OR and NAND and NOR gates ( Logic symbols and Truth tables), De Morgans theorems, X-OR and X-NOR gates (Logic symbols and Truth tables and applications), NAND and NOR as universal gates. Simplification of Logic Expressions using Boolean, SOP and POS expression. Karnaugh map-K-map techniques to solve3 variable and4 variable expressions. UNIT3 PULSE CHARACTERISTICS AND LOGIC FAMILIES: Pulse characteristics- Time delay, Rise Turn ON time, stotage time, Fall time, tutn OFF time, Pulse width, Duty cycle and Mark to Space ratio. Classification of digital Ics, Characteristics of digital Ics Speed of operation, power dissipation,figure of merit, fan in fan out, current and voltage paramenter, Noise immunity, Oprting temperature range, power supply requirements and Flexibilities available. DTL and TTL families-Chaaracteristics, Standard TTL NANE circuit (with totem pole output), and Schottky TTL NAND circuit. MOS Logic-PMOS, NMOS. Characteistics-Fan out, Propagation delay time, Power dissipation and unconnected inputs. CMOS inverter circuit. UNIT4 COMBINATIONAL LOGIC CIRCUITS: Arithmetic logic circuits-Half adder, Full adder,4-bit parallel binary adder, Half and Full Subtractors Two bit comparator, Four bit compatator, IC7485, Decimal to BCD priority encoder-IC741447, BCDto decimal decoder- IC 7445. BCD to seven segment decoder-IC 7446 and IC 7447- Logic diagrams of each IC. Multiplexers-4:1,8:1 and 16:1 Multiplexers- IC 74150., application. D to A conversion- Characteristics-resolution, linearity, settling time and temperature sensitivity, -4 bit Binary weighted DAC and R-2R ladder circuit, IC DAC 08. UNIT5 SEQUENTIAL LOGIC CIRCUITS: Flip- flops- Basic RS latch (NAND and NOR latches), Clocked RS Flip Flop (NAND), Edge triggering and level triggering, D Flip Flop and Edge triggered JK Flip Flop, T Flip Flop, Edge Triggered M/S JK Flip Flop, Clear & preset inputs, Ic 7473 and IC 7476 ( logic diagrams). Registers and Countes-4 bit serial in serial out, serial in paralled out, parallel in serial out, parallel in parallel out, Applications. Asynchronous counters- Logic diagram, Truth table and timing diagrams of 3 bit ripple counter,4 bit Up-Down counter and modified counters-mod n asynchronous counter, 4bit ynchronous counter, Deacde Counte-Up counte, Ic 7490. Synchronous up down counter design using K-maps, Ring counter, Applications. MEMORY DEVICES: Introduction- Primary and Secondary Memories, RAM-Static and Dynamic, ROM, EPROM andEEROM-memory capacity, advantages disadvantages and applications. Secondary memories-Floppy disk, Hard disk and CDROM. Semester IV- Practicals 1.Diode transistor gates-AND OR,NOT, NAND and NOR gates. 2. IC 7400-Realisation of AND,OR,NOT,NOR AND X-OR gates. 3.IC 7402-Realisation of AND, OR,NOT, NAND and X-NOR gates. 4.Construction of Half Adder and Half Susbtractor 5. Construction of Full Adder using IC 7486,7402 and IC7432. 6. Binary to Gray code and vice versa using IC 7486. 7. BCD to seven segment conversion using IC 7447. 8.Study of Multiplexer using IC 74150 9.Study of De-Multiplexer using IC 74154. 10. Clocked RS, D and T Flip- flops. 11. Study of 4 bit binary ripple conter IC 7476 (or equivalent) and conversion to decade counter. 12. Digital to Analog converter. ALL THE 12 EXPERIMENTS ARE COMPULSORY. SUGGESTED EXPERIMENTS NOT FOR VALUATION
FIRST SEMESTER SECOND SEMESTER PHYSICS |
| Designed by : BRAND ART+SCIENCE |