Electronic Devices and Circuits

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Table Of Contents BASK SENHCONIDUCTOR AND P-1N OFMCILION THEORY. Introduction Structure of an Atom Electron Orbits and Energy Levels Electron Volt Current Density Semiconductor Materials Energy Bands in Solids Conduction in Solids Drift and Diffusion Currents Drift Current Diffusion Current Atomic Bonds Intrinsic Semiconductors Production of Holes and Free Electrons Carrier Generation and Recombination Conduction in Intrinsic Semiconductors Effects of Heat and Light on Conductivity of Intrinsic Semiconductors Fermi Level in an Intrinsic Semiconductor Extrinsic Semiconductors Terms Used in Extrinsic Semiconductors Effect of Temperature on Extrinsic Semiconductors Charge Carriers Majority and Minority Charge Carriers Mass Action Law Charge Densities in an Extrinsic Semiconductor Conductivity of Metals Conductivity of Semiconductors Fermi Level in an Extrinsic Semiconductor Basic Structure of P-N Junction P-N Junction as a Diode Forward Biasing Zero Applied Bias Reverse Applied Bias Metal Semiconductor Junctions Large Forward Voltages Bulk Resistance Volt-Ampere Characteristics of P-N Junction Important Terms Often Used in P-N Junction Highlights Exercises Short Answer Type Questions With Answers Problems P-N JUNCTION DIODES Introduction Junction Breakdown Ideal Diode Current Components in a P-N Diode Quantitative Theory of P-N Diode Currents Diffusion Length Forward Currents Reverse Saturation Current Volt-Ampere Characteristic TemperatureDependence of P-N Diodes Diode Resistance Real Diode Piecewise Linear Diode Characteristic DC Load Lines Transition and Diffusion Capacitances Transition (or Space-Charge) Capacitance Diffusion (or Storage) Capacitance Equivalent Circuit of a Diode P-N Diode Switching Times Diode Reverse Recovery Time Storage and Transition Times Highlights Exercises Short Answer Type Questions With Answers Problems SPECIAL PUP POSE DIODES Introduction Zener Diodes Zener Diode Applications Tunnel Diode PIN Diode Varactor Diode Schottky Diodes Photoconductivity Photodiode Light Emitting Diodes Liquid Crystal Displays Highlights Exercises Short Answer Type Questions With Answers Problems DIODE APPLICATIONS—DC P*VJER SUPPLIES DC Power Supply Half Wave Rectifiers Full Wave Rectifiers Centre-Tap Full-Wave Rectifier Bridge Rectifier Circuit Analysis Merits and Demerits of Full-Wave Rectifiers Over Half-Wave Merits and Demerits of Bridge Rectifiers Over Centre-Tap RectifiersComparison Between Half-Wave, Centre-Tap and Bridge Rectifiers UNIT-2 BIPLOAR JUNCTION TRANSISTORS Hybrid Parameters UNIT-3 FIELD EFFECT TRANSISTORS Field Effect Transistors UNIT-4 TRANSISTORS BIASING AND STABILIZATION Transistors Biasing And Stabilization UNIT-5 SMALL SIGNAL LOW-FREQUENCY TRANSISTOR Small Signal Low-Frequency Transistor Amplifier Frequency Respones Appendix Model Test Papers Examination Papers (Solved) Index