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B.Tech. CSE 3rd Sem Subject: Electronics Devices And Circuits
UNIT - 1 JUNCTION DIODE AND ITS APPLICATION Properties of P-N Junction, Open Circuited P-N Junction, Current component of PN Diode, V-I Characteristics, Temperature dependence of V-I Characteristics, Diode resistance, Diode as a rectifier-Half wave & Full wave rectifier, Clipper, Clamper.
UNIT - 2 BIPOLAR JUNCTION TRANSISTOR AND FET Introduction to Bipolar Junction Transistor, Transistor current components. Transistor as an amplifier, Transistor construction, Transistor Circuit Configuration, Common Base, Common Emitter, Common Collector, Characteristics CE current gain, Analytical expression for transistor characteristics. Introduction to JFET, MOSFET, V-I and Transfer characteristics of JFET.
UNIT - 3 LOW FREQUENCY TRANSISTOR AMPLIFIER Graphical Analysis of CE amplifier, h-parameter Models, Transistor hybrid model, Analysis of Transistor, amplifier using H-Parameter for CB, CE, CC configurations, Comparison of Transistor Amplifier Configuration, Darlington Pair. CE hybrid-pi model, Validity and parameter Variation, Current Gain with Resistive load, frequency response of a single stage CE Amplifier, Gain-Bandwidth product.
UNIT - 4 FEEDBACK AMPLIFIER Classification of feedback amplifier, Feedback concept, Properties of feedback amplifier, Effect of feedback on gain and impedance, Emitter and Source follower. Barkhausen criteria, Wien bridge, Tuned, Hartley, Colpitt and RC Phase shift oscillators.
UNIT - 5 OPERATIONAL AMPLIFIERS OPAMP Symbol and terminal characteristics, Block Schematic of OPAMP, Ideal OPAMP Characteristics, Practical OPAMP Characteristics, Inverting Amplifier, Non-Inverting Amplifier, Voltage Follower, Adder, Substractor, Comparator, Integrator, Differentiator, IC Timer-555, Introduction to Multivibrators, Monostable, Bistable, Astable Multivibrator.
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