H.W find the radiation efficiency for a single turn and 8 turns small circularloop at f=100MHz. The radius of the loop λ/25. The radius of the wire is10-42,and the turns are spaced 4*10-4 2 apart, assume the wire is copper with aconductivity of 5.7 * 107 s/m and the antenna is radiating in free space.[c/b=2,N=8,-0.38]EEC 303 Radiation & Propagation2) eff.= 81.27%Dr. Yessar Ezzaldeen Mohammed Alians: 1) eff. 42.8%

From the given question:Given data:

Answered: find the radiation efficiency

Engineering

Electrical Engineering

find the radiation efficiency

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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Amplitude modulation

A radio signal can carry information in the form of sound or image for broadcasting or communication. For it to be sent to a greater distance, the signal must be changed or modulated in some way. One of the easiest way is to change the amplitude of the signal with variations of the video or the audio signal. This is called Amplitude Modulaton. In this modulation information of message is carried in amplitude of carrier signal.

Question

H.W find the radiation efficiency for a single turn and 8 turns small circular
loop at f=100MHz. The radius of the loop λ/25. The radius of the wire is10-42,
and the turns are spaced 4*10-4 2 apart, assume the wire is copper with a
conductivity of 5.7 * 107 s/m and the antenna is radiating in free space.
[c/b=2,N=8,-0.38]
EEC 303 Radiation & Propagation
2) eff.= 81.27%
Dr. Yessar Ezzaldeen Mohammed Ali
ans: 1) eff. 42.8%

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