EC2208 ELECTRONIC CIRCUITS LAB I SYLLABUS

EC 2208 ELECTRONIC CIRCUITS LAB I

(Common to ECE & Bio Medical Engineering) L T 0 0 P C 3 2
Expt No.1 Fixed Bias amplifier circuit using BJT
1. Waveforms at input and output without bias.
2. Determination of bias resistance to locate Q-point at center of load line.
3. Measurement of gain.
4. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.2 Design and construct BJT Common Emitter Amplifier using voltage divider bias (self-bias) with and without bypassed emitter resistor.
1. Measurement of gain.
2. Plot the frequency response & Determination of Gain Bandwidth Product
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Expt No.3 Design and construct BJT Common Collector Amplifier using voltage divider bias (self-bias).
1. Measurement of gain.
2. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.4 Darlington Amplifier using BJT.
1. Measurement of gain and input resistance. Comparison with calculated values.
2. Plot the frequency response & Determination of Gain Bandwidth Product
Expt No.5 Source follower with Bootstrapped gate resistance
1. Measurement of gain, input resistance and output resistance with and without Bootstrapping. Comparison with calculated values.
Expt No.6 Differential amplifier using BJT
1. Measurement of CMRR.
Expt No.7 Class A Power Amplifier 1 .Observation of output waveform.
2. Measurement of maximum power output.
3. Determination of efficiency.
4. Comparison with calculated values.
Expt No.8 Class B Complementary symmetry power amplifier 1 .Observation of the output waveform with crossover Distortion.
2. Modification of the circuit to avoid crossover distortion.
3. Measurement of maximum power output.
4. Determination of efficiency.
5. Comparison with calculated values.
Expt No.9 Power Supply circuit - Half wave rectifier with simple capacitor filter.
1. Measurement of DC voltage under load and ripple factor, Comparison with calculated values.
2. Plot the Load regulation characteristics using Zener diode.
Expt No.10 Power Supply circuit - Full wave rectifier with simple capacitor filter
1. Measurement of DC voltage under load and ripple factor, Comparison with calculated values.
2. Measurement of load regulation characteristics. Comparison with calculated values.
LIST OF EQUIPMENTS AND COMPONENTS FOR A BATCH OF 30 STUDENTS
(3 per Batch)
S.No Name of the equipments / Components Quantity Required Remarks
1 Variable DC Power Supply 8 (0-30V)
2 CRO 10 30MHz
4 Multimeter 6 Digital
6 Function Generator 8 1 MHz
7 DC Ammeter 10
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8 DC Voltmeter 10
Consumables (Minimum of 25 Nos. each)
9 BC107, BC147,BC 108, BC 148, BC547, BC 548,
SL 100, SK100 or Equivalent transistors.
10 Resistors 1/4 Watt Assorted
11 Capacitors
12 Inductors
13 Diodes, Zener Diodes
14 Bread Boards
15 T ransformers 4

EE2202 ELECTROMAGNETIC THEORY SYLLABUS

EE2202 ELECTROMAGNETIC THEORY
3 1 0 4

AIM
This subject aims to provide the student an understanding of the fundamentals of electromagnetic fields and their applications in Electrical Engineering.

OBJECTIVES
To impart knowledge on
i. Concepts of electrostatics, electrical potential, energy density and their applications.
ii. Concepts of magnetostatics, magnetic flux density, scalar and vector potential and its applications.
iii. Faraday’s laws, induced emf and their applications.
iv. Concepts of electromagnetic waves and Pointing vector.

UNIT I INTRODUCTION 8
Sources and effects of electromagnetic fields – Vector fields – Different co-ordinate systems- vector calculus – Gradient, Divergence and Curl - Divergence theorem – Stoke’s theorem.

UNIT II ELECTROSTATICS 10
Coulomb’s Law – Electric field intensity – Field due to point and continuous charges – Gauss’s law and application – Electric potential – Electric field and equipotential plots – Electric field in free space, conductors, dielectric -Dielectric polarization - Dielectric strength - Electric field in multiple dielectrics – Boundary conditions, Poisson’s and Laplace’s equations – Capacitance- Energy density.

UNIT III MAGNETOSTATICS 9
Lorentz Law of force, magnetic field intensity – Biot–savart Law - Ampere’s Law – Magnetic field due to straight conductors, circular loop, infinite sheet of current – Magnetic flux density (B) – B in free space, conductor, magnetic materials – Magnetization – Magnetic field in multiple media – Boundary conditions – Scalar and vector potential – Magnetic force – Torque – Inductance – Energy density – Magnetic circuits.

UNIT IV ELECTRODYNAMIC FIELDS 8
Faraday’s laws, induced emf – Transformer and motional EMF – Forces and Energy in quasi-stationary Electromagnetic Fields - Maxwell’s equations (differential and integral forms) – Displacement current – Relation between field theory and circuit theory.

UNIT V ELECTROMAGNETIC WAVES 9
Generation – Electro Magnetic Wave equations – Wave parameters; velocity, intrinsic impedance, propagation constant – Waves in free space, lossy and lossless dielectrics, conductors-skin depth, Poynting vector – Plane wave reflection and refraction – Transmission lines – Line equations – Input impedances – Standing wave ratio and power.

L = 45 T = 15 TOTAL: 60 PERIODS

TEXT BOOKS:
1. Mathew N. O. SADIKU, ‘Elements of Electromagnetics’, Oxford University press Inc. First India edition, 2007.
2. Ashutosh Pramanik, ‘Electromagnetism – Theory and Applications’, Prentice-Hall of India Private Limited, New Delhi, 2006.
REFERENCES
1. Joseph. A.Edminister, ‘Theory and Problems of Electromagnetics’, Second edition, Schaum Series, Tata McGraw Hill, 1993.
2. William .H.Hayt, ‘Engineering Electromagnetics’, Tata McGraw Hill edition, 2001.
3. Kraus and Fleish, ‘Electromagnetics with Applications’, McGraw Hill International Editions, Fifth Edition, 1999.