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Rf Modeling And Antennas

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Derive array factor of N-element linear array, where all elements are equally fed and spaced. Also find the expression for the position of principle maxima, nulls and secondary maxima
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Write short note on Log Periodic Antenna
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Explain important features of loop antenna. Discuss use of loop antenna in radio direction finding
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Explain the horn antenna with reference to its working, antenna field & applications
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Discuss the principle of pattern multiplication with example
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Design a broadside Dolph-TChebyshev array of 6 elements with spacing d between the elements and with a major to minor lobe ratio of 26dB. Calculate the excitation coefficients.
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Derive Friis transmission formula.
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Derive radiation resistance of the infinitesimal dipole. Explain its significance
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Explain the working principle of folded dipole antenna. What are the advantages and applications?
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Explain the following terms related to Basic Antenna concepts with relevant equations:-
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Show that the directivity of the isotropic antenna is unity. At what distance from 50 cycles circuit is radiation field approximately equal to the induction field
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Write short note on Near field and far field Radiation related to Antenna
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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When is a dipole called Hertzian dipole. Explain how the radiation pattern of folded dipole can be modified with addition of directors & reflectors
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Define image impedance.
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Design a low pass filter with cut-off frequency of 200MHz and attenuation of 50dB at 250MHz. The flatness of filter response is not a design consideration.
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Explain the significance of Retarded magnetic vector potential and Retarded electric Scalar potential
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Using Image Parameter method design a Low-pass composite filter with a cut-off frequency 2MHz and Impedance of 75$\Omega$. Place the Infinite attenuation pole at 2.05MHz
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Design a maximally flat LPF with a cut-off frequency of 2GHz; generator and Load Impedance of 50$\Omega$; and with 15dB Insertion loss at 3GHZ with discrete LC component
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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11k
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Explain how Richards Transformation and unit elements are useful in RF filter designing
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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12k
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Draw electric equivalent for high frequency resistor, inductor and capacitor
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Explain with equivalent circuits the RF behavior of Resistor, Inductor and Capacitor
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Explain the structure of microstrip antenna. Discuss its feed mechanisms and applications
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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3.5k
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Write short note on Friss Transmission formula
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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6.7k
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Compare striplines and microstrip lines
rf modeling and antennas updated 2.8 years ago by teamques10 ★ 67k
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Space - Diversity
rf modeling and antennas updated 5.3 years ago by teamques10 ★ 67k
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