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 height of a transmitting antenna is 30 m and the operating wavelength is 450 m. Determine the power density at a distance of 5 km from the antenna if the input current at the antenna is 2A.
Impedance 600 400 200 -200 400 -600 Resistance Reactance -800 20 30 40 50 60 70 80 90 100 110 120 Frequency (MHz) The input resistance and reactance of unknown antenna is given above, and it need to be match to 75-ohm coaxial cable. Which frequency (in MHz) would you operate this antenna at? Impedance (ohms)
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.
List the applications of Extremely Low Frequency band? State the range of its wavelength?
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.
What is the required bandwidth according to the Carson's rule, when a 100 MHz carrier is modulated with a sinusoidal signal at 1KHz, the maximum frequency deviation being 50 KHz.
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?
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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