6. Consider a directional antenna that has a gain of 10 dB and radiates 20 Watts. How much power an isotropic antenna must radiate to provide the same signal power in the preferred direction?

EIRP is used to measure the effective power in one direction from an ideal isotropic source. The…

Answered: 6. Consider a directional antenna that…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Similar questions

The total power delivered to the radiator of an isotropic antenna is 200,000 W. Determine the power density at a distance of 100 m.
An EMF source has an internal impedance of 100+ j0 ohms, and EMF of 3 V. Using Zo = 50 , find the reflection coefficient and scattering variable for the source.
If the diameter of a parabolic reflector antenna is 1.5 m, then what will be the half power beamwidth of the antenna? Assume the wavelength of radiation to be 0.5 m.
If the solid angle subtended by the main beam of an antenna is 0.5 steradian then what will be the directivity of the antenna?
Problem 3. A receiver front end has a noise figure of 10 dB and a gain of 60 dB and a bandwidth of 12 MHz. The input signal power is 10-11 W. The antenna temperature is 180° K. Find Te, Ts, Nout, SNRin and SNRout. You may use To=290° K and Boltzmann's constant equals 1.38 x 10-23 J/K.
An antenna with a radiation resistance of 48 Q, a loss resistance of 20 and a reactance of 50 Q is connected to a generator with an open circuit voltage of 10 V and internal impedance of 50 through a transmission line with a characteristic impedance of 100 . Determine the power supplied by the generator and power radiated by the antenna.
Problem 18. The ideal peak gain of a parabolic antenna with aperture = 3 feet at 12 GHz frequency is? a. 41.0 dBi b. 41.3 dBi c. 42.0 dBi d. 42.3 dBi e. 51.5 dBi
An antenna has a directive gain of 25 dB. If the antenna is transmitting at a frequency of 10 GHz, then what will be the effective aperture of the antenna?
A Yagi antenna has a gain of 10 dBi and a front–to–back ratio of 15 dB. It is located from a transmitter with an ERP of 100 kW at a frequency of 10 MHz. The antenna is connected to a receiver via a matched feedline with a loss of 2 dB. Calculate the signal power supplied to the receiver if the antenna is pointed directly away from the transmitting antenna.
What is the gain of an isotropic antenna in decibel?
An array of two similar antennas, each antenna has the field pattern E. E'.sin . Draw the generated field pattern of this array if the feeding current for both antennas has the same amplitude but opposite phase.

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