JNTUK R20 B.Tech ECE 3-1 AWP Material/ Notes PDF Download

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JNTUK R20 B.Tech ECE 3-1 AWP Material/ Notes PDF Download: Are you searching to study the JNTUK R20 B.Tech ECE 3-1 AWP Material. You’ve come to the right place! Our resources cover everything you need to know about antennas and wave propagation in a simple and easy-to-understand format. Learn about basic antenna parameters, essential for understanding antenna design and analysis. Dive into designing and analyzing various types of antennas, such as wire antennas, loop antennas, reflector antennas, lens antennas, horn antennas, and micro-strip antennas.

Additionally, learn how to assess antenna performance by analyzing antenna measurements. Understand the characteristics of radio wave propagation to comprehend how signals travel through different mediums. Access our JNTUK R20 B.Tech ECE 3-1 AWP Notes for a smooth learning experience, and download the material in PDF format for convenient studying. Start mastering antennas and wave propagation today with our user-friendly resources!

JNTUK R20 B.Tech ECE 3-1 AWP Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech ECE Antenna and Wave Propagation Material

Antenna Fundamentals: Introduction, Radiation Mechanism – single wire, 2 wire, dipoles, Current Distribution on a thin wire antenna. Antenna Parameters – Radiation Patterns, Patterns in Principal Planes, Main Lobe and Side Lobes, Beamwidths, Polarization, Beam Area, Radiation Intensity, Beam Efficiency, Directivity, Gain and Resolution, Antenna Apertures, Aperture Efficiency, Effective Height, illustrated Problems.

Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech ECE Antenna and Wave Propagation Material

Thin Linear Wire Antennas: Retarded Potentials, Radiation from Small Electric Dipole, Quarter wave Monopole and Half wave Dipole – Current Distributions, Evaluation of Field Components, Power Radiated, Radiation Resistance, Beamwidths, Directivity, Effective Area and Effective Height. Natural current distributions, fields, and patterns of Thin Linear Center-fed Antennas of different lengths, Radiation Resistance at a point which is not current maximum. Antenna Theorems – Applicability and Proofs for equivalence of directional characteristics, Loop Antennas: Small Loops – Field Components, Comparison of far fields of small loop and short dipole, Concept of short magnetic dipole, D and Rr relations for small loops.

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech ECE Antenna and Wave Propagation Material

Antenna Arrays: 2-element arrays – different cases, Principle of Pattern Multiplication, N element Uniform Linear Arrays – Broadside, End-fire Arrays, EFA with Increased Directivity, Derivation of their characteristics and comparison; Concept of Scanning Arrays. Directivity Relations (no derivations). Related Problems. Binomial Arrays, Effects of Uniform and Non-uniform Amplitude Distributions, Design Relations. Arrays with Parasitic Elements, Yagi-Uda Arrays, Folded Dipoles, and their characteristics.

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech ECE Antenna and Wave Propagation Material

Non-Resonant Radiators: Introduction, Traveling wave radiators – basic concepts, Long wire antennas – field strength calculations and patterns, Microstrip Antennas-Introduction, Features, Advantages and Limitations, Rectangular Patch Antennas –Geometry and Parameters, Impact of different parameters on characteristics. Broadband Antennas: Helical Antennas – Significance, Geometry, basic properties; Design considerations for monopolar helical antennas in Axial Mode and Normal Modes (Qualitative Treatment).

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech ECE Antenna and Wave Propagation Material

VHF, UHF, And Microwave Antennas: Reflector Antennas: Flat Sheet and Corner Reflectors. Paraboloidal Reflectors – Geometry, characteristics, types of feeds, F/D Ratio, Spill Over, Back Lobes, Aperture Blocking, Off-set Feeds, Cassegrain Feeds. Horn Antennas – Types, Optimum Horns, Design Characteristics of Pyramidal Horns; Lens Antennas – Geometry, Features, Dielectric Lenses and Zoning, Applications, Antenna Measurements – Patterns Required, Set Up, Distance Criterion, Directivity and Gain Measurements (Comparison, Absolute and 3-Antenna Methods).

Wave Propagation: Concepts of Propagation – frequency ranges and types of propagations. Sky Wave Propagation – Formation of Ionospheric Layers and their Characteristics, Mechanism of Reflection and Refraction, Critical Frequency, MUF and Skip Distance – Space Wave Propagation – Mechanism, LOS and Radio Horizon.– Radius of Curvature of the path, M-curves, and Duct Propagation.

JNTUK R20 B.Tech AWP Material – Outcomes

• Recognize Fundamental Antenna Parameters: Understand key parameters such as radiation pattern, gain, bandwidth, polarization, and impedance, crucial for antenna design and analysis.
• Design and Analyze Various Antenna Types: Develop proficiency in designing and analyzing wire antennas, loop antennas, reflector antennas, lens antennas, horn antennas, and micro-strip antennas, considering factors like frequency, size, and performance requirements.
• Quantify Radiated Fields: Learn to quantify the electric and magnetic fields radiated by different types of antennas, aiding in predicting antenna performance and evaluating radiation characteristics.
• Design and Analyze Antenna Arrays: Gain expertise in designing and analyzing antenna arrays, including linear arrays, planar arrays, and phased arrays, for achieving desired radiation patterns and beam steering capabilities.
• Analyze Antenna Measurements: Acquire skills to interpret antenna measurements accurately, allowing for the assessment of antenna performance in real-world scenarios and ensuring compliance with design specifications.

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