Basic Electronics 131101
B.E Semester: 3
Biomedical Engineering
Subject Code
Subject Name
Basic Electronics
Course Content
Energy Bands in Solids:
Charged Particles, Field Intensity, Potential Energy, The eV Unit of Energy,
The Nature of the Atom, Atomic Energy Levels, Electronic Structure of The
Elements, The Energy Band Theory of Crystals, Insulators, Semiconductors
and Metals
Transport Phenomena in Semiconductors:
Mobility and Conductivity, Electrons and Holes in an Intrinsic
Semiconductor, Donor and Acceptor Impurities, Charge Densities in a
Semiconductor, Electrical Properties of Ge and Si, The Hall Effect,
Conductivity Modulation, Generation and Recombination of Charges,
Diffusion, The Continuity Equation, Injected Minority –Carrier Charge, The
Potential Variation within a Graded Semiconductor
Junction –Diode Characteristics:
Open –Circuited p-n Junction, p-n Junction as a Rectifier, Current
Components in a p-n Diode, Volt-Ampere Characteristic, Temperature
Dependence of the V/I Characteristic, Diode Resistance, Space Charge ,
Transition Capacitance, Charge-Control Description of a Diode , Diffusion
Capacitance , Junction Diode Switching Times, Breakdown Diodes, Tunnel
Diode, Semiconductor Photodiode, Photovoltaic Effect, Light –Emitting
Diode Circuits:
Diode as a Circuit Element, Load-Line Concept, Piecewise Linear Diode
Model, Clipping Circuits, Clipping at Two Independent Levels, Comparators,
Sampling Gate, Rectifiers, Other Full-Wave Circuits, Capacitor Filters,
Additional Diode Circuits
Transistor Characteristics:
Junction Transistor, Transistor Current Components, Transistor as an
Amplifier, Transistor Construction, CB Configuration, CE Configuration, CE
Cutoff region, CE Saturation Region, Typical Transistor, CE Current Gain,
CC Configuration, Analytical Expressions for Transistor Characteristics
Maximum Voltage Rating, Phototransistor
Transistor at Low Frequencies:
Graphical Analysis of the CE configuration, Two-Port Devices and the
Hybrid Model, Transistor Hybrid Model, h-Parameters, Conversion
Formulas for the Parameters of Three Transistor Configurations, Analysis
of a Transistor Amplifier Circuit Using h Parameters, Thevenin’s and
Norton’s Theorems and Corollaries, Emitter Follower, Comparison of
Transistor Amplifier Configurations, Linear Analysis of a Transistor Circuit,
Miller’s Theorem and its Dual, Cascading Transistor Amplifiers, Simplified
CE Hybrid Model, Simplified Calculations for the CC Configuration, CE
Amplifier with an Emitter Resistance, High Input Resistance Transistor
Transistor Biasing and Thermal Stabilization:
Operating Point, Bias Stability, Self-Bias , Stabilization against Variations in
ICO, VBE and β, General Remarks on Collector-Current Stability, Bias
Compensation, Thermistor and Sensistor Compensation,
Runaway, Thermal Stability
Field Effect Transistors:
Junction FET, Pinch-Off Voltage, JFET Volt-Ampere Characteristics, FET
Small-Signal Model, MOSFET, Digital MOSFET Circuits, Low Frequency
CS and CD Amplifiers, Biasing the FET, The FET as a Voltage Variable
Resistor, CS Amplifier at High Frequencies, CD Amplifier at High
Power Circuits and Systems:
Class A large Signal Amplifiers, Second Harmonic Distortion, Higher –Order
Harmonic Generation, Transformer Coupled Audio Power Amplifier
,Efficiency, Push-Pull Amplifiers, Class B Amplifiers, Class AB Operation,
Regulated Power Supplies, Series Voltage Regulator
Reference Books:
1. Integrated Electronics By Jacob Millman and Christos C. Halkias, Tata McGraw
Hill Publication
2. Electronics Devices by Floyd , Pearson Publication [Seventh edition]
3. Electronic Devices and Circuit Theory by Robert Boylestad and Louis Nashelsky
[Ninth Edition]
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