JNTUK R19 B.Tech ECE 3-2 WWTD Material/ Notes PDF Download

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JNTUK R19 B.Tech ECE 3-2 WWTD Material/ Notes PDF Download: Explore the JNTUK R19 B.Tech ECE 3-2 WWTD Material, a resourceful guide to understanding wired and wireless transmission devices. Uncover the significance of electromagnetic waves in enabling modern communication systems, and delve into the workings and applications of antennas, tailored to meet electronic system needs. Gain insights into radio wave propagation in the atmosphere and access convenient JNTUK R19 B.Tech ECE 3-2 WWTD Notes and Material in PDF format, empowering you to navigate these concepts effectively and excel in your B.Tech ECE studies.

JNTUK R19 B.Tech ECE 3-2 WWTD Material – Units

Unit 1 Syllabus PDF Download | JNTUK R19 B.Tech ECE Wired and Wireless Transmission Devices Material

Microwave Transmission Lines: Introduction, Microwave Spectrum and Bands, Applications of Microwaves. Rectangular Waveguides – TE/TM mode analysis, Expressions for Fields, Characteristic Equation and Cut-off Frequencies, Filter Characteristics, Dominant and Degenerate Modes, Sketches of TE and TM mode fields in the cross-section, Mode Characteristics – Phase and Group Velocities, Wavelengths and Impedance Relations; Power Transmission and Power Losses in Rectangular Guide, Impossibility of TEM mode.Related Problems, Excitation techniques-waveguides

Microstrip Lines: Introduction, Z0 Relations, Effective Dielectric Constant, Losses, Q factor

Unit 2 Syllabus PDF Download | JNTUK R19 B.Tech ECE Wired and Wireless Transmission Devices 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, Beam widths, Polarization, Radiation Intensity, Directivity, Gain Antenna Apertures, Aperture Efficiency, Effective Height, illustrated Problems.

Unit 3 Syllabus PDF Download | JNTUK R19 B.Tech ECE Wired and Wireless Transmission Devices 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, Beam widths, Directivity, Effective Area and Effective Height, Antenna Theorems – Applicability and Proofs for equivalence of directional characteristics, Loop Antennas: Small Loops – Field Components, Concept of short magnetic dipole, D and Rr relations for smallloops.

Antenna Arrays: Principle of Pattern Multiplication, N element Uniform Linear Arrays – Broadside, End-fire Arrays, Binomial Arrays, Arrays with Parasitic Elements. YagiUda Arrays, Folded Dipoles, and theircharacteristics.

Unit 4 Syllabus PDF Download | JNTUK R19 B.Tech ECE Wired and Wireless Transmission Devices Material

Non-resonant radiators: Introduction, Traveling wave radiators, Long wire antennas, Rectangular Patch Antennas –Geometry and Parameters, Impact of different parameters on characteristics. Helical Antennas, Geometry, basic properties

VHF, UHF And Microwave Antennas: Reflector Antennas: Corner Reflectors. Parabolic Reflectors – Geometry, characteristics, types of feeds, F/D Ratio, spillover, Back Lobes, Aperture Blocking, Cassegrain Feeds. Horn Antennas – Types, Optimum Horns, Lens Antennas – Geometry, Features, Dielectric Lenses and Zoning, Applications.

Unit 5 Syllabus PDF Download | JNTUK R19 B.Tech ECE Wired and Wireless Transmission Devices Material

Wave Propagation: Concepts of Propagation – frequency ranges and types of propagations. Ground Wave Propagation–Characteristics, Fundamental Equation for FreeSpace Propagation, Basic Transmission Loss Calculations, Space Wave Propagation– Mechanism, LOS and Radio Horizon, Tropospheric Wave Propagation – Radius of Curvature of path, Effective Earth’s Radius, Effect of Earth’s Curvature, Field Strength Calculations.

Antenna Measurements: Patterns, Setup, Distance Criterion, Directivity, VSWR, Impedance, and Gain Measurements (Comparison, Absolute and 3-Antenna Methods)

JNTUK R19 B.Tech WWTD Material – Outcomes

• Understanding Antennas: Learn about different types of antennas like wire antennas, loop antennas, reflector antennas, lens antennas, horn antennas, and microstrip antennas.
• Measuring Fields: Measure the fields radiated by these antennas to understand their performance.
• Designing Antennas: Create and analyze antennas using various parameters to optimize their efficiency.
• Building Antenna Arrays: Learn how to design arrays of antennas to improve signal strength and directionality.
• Assessing Performance: Analyze antenna measurements to evaluate how well they work and how they affect radio wave propagation.

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