Subject Details
Dept     : ECE
Sem      : 6
Regul    : 2023
Faculty : Dr.S.Pradeep
phone  : NIL
E-mail  : pradeep.s.ece@snsct.org
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Lecture Notes

UNIT 1:
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Antenna Radiation Mechanism : Isotropic radiator
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Antenna parameters : Radiation Intensity, Radiation pattern, Gain and Directivity, FBR, Effective Length, Radiation Resistance
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Antenna Impedance, Polarization, Beam width, Bandwidth, Antenna temperature- Friis transmission formula.
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Retarded Potential - Wire Antennas: Short Electric Dipole
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Retarded Potential - Wire Antennas: Short Electric Dipole
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Radiation from an alternating current element
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Half - wave Dipole, Quarter wave monopole
UNIT 2:
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Arrays of two point sources
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Types of arrays - Broad side, End fire, Collinear, Parasitic arrays.
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Arrays of two point sources
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Array of N elements with equal spacing and currents equal in magnitude and spacing (broad side array)
UNIT 3:
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Slot antenna-Relation between dipole and slot impedances
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Horn antenna – Types
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Log-Periodic Antennas for Wideband Communication
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Parabolic reflector antennas and its feed systems
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Microstrip antenna
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Ultra-Wideband Antennas
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Reconfigurable antenna
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Case study: Smart Antennas
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Relation between dipole and slot impedances