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The Ohmic loss resistance of the dipole, ta effective cross-sectional area of the dipole circumference times the skin depth & = 17 4n x 10-7 Hm-' is the permeability of vac The antenna's radiation efficiency.

The Ohmic loss resistance of the dipole, ta effective cross-sectional area of the dipole circumference times the skin depth & = 17 4n x 10-7 Hm-' is the permeability of vac The antenna's radiation efficiency.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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15-7

An electrically short linear dipole of length I = 1/10 and radius a = 2/40 has a radiation resistance given by R, = 80n² (1/)², where 1 is the operating wavelength. The dipole is made of copper with conductivity o = 5.7 x 107 Sm-1. Determine the following at an operating frequency of f = 5.00 GHz, stating clearly any assumptions you make in your calculations: The Ohmic loss resistance of the dipole, taking into account that the effective cross-sectional area of the dipole is given by the product of its circumference times the skin depth 8 = 1//Tf Hoo, Where Ho = 47 x 10-7 Hm-1 is the permeability of vacuum. The antenna's radiation efficiency. 7. (a) (b)
Transcribed Image Text:An electrically short linear dipole of length I = 1/10 and radius a = 2/40 has a radiation resistance given by R, = 80n² (1/)², where 1 is the operating wavelength. The dipole is made of copper with conductivity o = 5.7 x 107 Sm-1. Determine the following at an operating frequency of f = 5.00 GHz, stating clearly any assumptions you make in your calculations: The Ohmic loss resistance of the dipole, taking into account that the effective cross-sectional area of the dipole is given by the product of its circumference times the skin depth 8 = 1//Tf Hoo, Where Ho = 47 x 10-7 Hm-1 is the permeability of vacuum. The antenna's radiation efficiency. 7. (a) (b)
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