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7.3 A Yagi aerial consists of a dipole of 73 + j0 22 imped- ance and a parasitic element of 81 + j108 2 impedance. The mutual impedance between the two elements is 40 - j30 2. Calculate the ratio of the powers radiated in the directions dipole to parasitic and parasitic to dipole. Hence state whether the parasitic element is a reflector or a director.

7.3 A Yagi aerial consists of a dipole of 73 + j0 22 imped- ance and a parasitic element of 81 + j108 2 impedance. The mutual impedance between the two elements is 40 - j30 2. Calculate the ratio of the powers radiated in the directions dipole to parasitic and parasitic to dipole. Hence state whether the parasitic element is a reflector or a director.

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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The answer according to the book should be 7.2 db . Director
7.3 A Yagi aerial consists of a dipole of 73 + j0 22 imped- ance and a parasitic element of 81+j108 22 impedance. The mutual impedance between the two elements is 40 - j30 - Calculate the ratio of the powers radiated in the directions dipole to parasitic and parasitic to dipole. Hence state whether the parasitic element is a reflector or a director.
Transcribed Image Text:7.3 A Yagi aerial consists of a dipole of 73 + j0 22 imped- ance and a parasitic element of 81+j108 22 impedance. The mutual impedance between the two elements is 40 - j30 - Calculate the ratio of the powers radiated in the directions dipole to parasitic and parasitic to dipole. Hence state whether the parasitic element is a reflector or a director.
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