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Antenna Fundamentals Quiz

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Questions and Answers

What is EIRP a measure of?

The direction of maximum radiation of an antenna

The actual power radiated by an antenna

The gain of an antenna in a certain direction

The equivalent power that would be radiated by an isotropic antenna (correct)

What is the gain of an isotropic antenna?

0 dBi (correct)

1 dBi

10 dBi

-3 dBi

What is a characteristic of an isotropic antenna?

It radiates power in all directions (correct)

It has a gain of 10 dBi

It amplifies the signal actively

It is a directional antenna

What does an antenna with 0 dBi represent?

<p>An antenna with the same gain as an isotropic antenna</p> Signup and view all the answers

What is not a characteristic of all antennas?

<p>They amplify the signal actively</p> Signup and view all the answers

Study Notes

Antenna Attributes

EIRP (Equivalent Isotropically Radiated Power) is a measure of the equivalent power that would be radiated by an isotropic antenna in a certain direction.
Isotropic antennas radiate power uniformly in all directions and have a gain of 0 dBi, which is a reference point for comparing the gain of other antennas.
Not all antennas amplify the signal; some antennas are passive, meaning they only redirect or focus the signal without amplifying it.
An antenna with 0 dBi is not faulty, but rather, it is a reference point indicating that the antenna has the same gain as an isotropic antenna.

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Description

Test your understanding of antenna basics, including EIRP, isotropic antennas, and antenna gain. Identify the correct statements about antenna characteristics and performance.