Syllabus Electronic Circuits - (204181) Credit Examination Scheme : 03 In-Sem (Theory) : 30 Marks End Sem (Theory) : 70 Marks Unit I MOSFET & its Analysis Enhancement MOSFET : Construction, Characteristics, DC Load line, AC equivalent circuit, Parameters, Parasitics. Non ideal characteristics : Finite output resistance, Body effect, Sub-threshold conduction, breakdown effects, temperature effect, effect of W/L ratio, Common source amplifier & analysis, Source follower : circuit diagram, comparison with common source, Frequency response for amplifier. (Chapter - 1) Unit II MOSFET Circuits MOSFET as switch, CMOS inverter, resistor & diode. Current sink & source, Current mirror. Four types of feedback amplifiers, Effects of feedback, Voltage series & current series feedback amplifiers and analysis, Barkhausen criterion, Wein bridge & phase shift oscillator. (Chapters - 2, 3) Unit III Voltage Regulators Three terminal voltage regulators (317 & 337) : Block diagram of linear voltage regulator, IC 317 and IC337, Features and specifications, typical circuits, current boosting, Low Dropout Regulator (LDO). SMPS : Block diagram, Types, features and specifications, typical circuits buck and boost converter. (Chapter - 4) Unit IV Operational Amplifier Block diagram, Differential amplifier analysis for Dual input Balanced output mode - AC analysis (using r parameters) & DC analysis, Level shifter, Op amp parameters, Current mirror, Op-amp characteristics (AC & DC). Voltage series & voltage shunt feedback amplifiers, Effect on Ri, Ro, gain & bandwidth. (Chapter - 5) Unit V Op-Amp Applications Inverting amplifier, non-inverting amplifier, Voltage follower, Summing amplifier, Differential amplifier, Practical integrator, Practical differentiator, Instrumentation amplifier, Comparator, Schmitt trigger, Square & triangular wave generator. (Chapter - 6) Unit VI Converters & PLL Voltage to Current, Current to Voltage converters. DAC & ADC : Resistor weighted and R-2R DAC, SAR, Flash and dual slope ADC Types / Techniques, Characteristics, block diagrams, Circuits, Specifications, Merits, Demerits, Comparisons. PLL : Block Diagram, Characteristics, phase detectors, Details of PLL IC 565 Applications, Typical circuits. (Chapter - 7)
