The power gain of an antenna is directly related to what other antenna property?

The power gain of an antenna is directly related to what  other antenna property?
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1 Answer

Answer :

Directivity.
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What is meant by antenna gain? A. The final amplifier gain minus the transmission line losses (including any phasing lines present) B. The ratio of the amount of power produced by the antenna compared to the output power of the transmitter C. The ratio of the signal in the backward direction D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna

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It is the same with directive gain except that the total power fed to the antenna is used and the antenna efficiency is taken into account.

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Last Answer : power gain

Describe with respect to antenna (i) radiation pattern (ii) directive gain (iii) power gam (iv) polarization

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An antenna has a radiation resistance of 72 Ω a loss resistance of 8 Ω and a power gain of 16. Find efficiency and directivity.

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Last Answer : An antenna has a radiation resistance of 72 Ω a loss resistance of 8 Ω and a power gain of 16. Find efficiency and directivity.

What is the gain of four identically polarized antennas stacked one above the other and fed in phase? A. 3 dB over the gain of one antenna B. 10 dB over the gain of one antenna C. 4 dB over the gain of one antenna D. 6 dB over the gain of one antenna

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What composite field (composed of E and H fields) is found stored in the antenna?

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Last Answer : Induction field.

Which two composite fields (composed of E and H fields) are associated with every antenna?

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Last Answer : Induction field and radiation field.

If a transmitting antenna is placed close to the ground, how should the antenna be polarized to give the greatest signal strength?

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Last Answer : Vertically polarized.

What radar component permits the use of a single antenna for both transmitting and receiving?

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Last Answer : Duplexer.

What is the result of an impedance mismatch between a receiver or transmitter and its transmission line or antenna?

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Last Answer : High vswr, which equates to poor reception or a loss of power output.

What type of transmission line is often used to connect a television set to its antenna?

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Last Answer : Twin lead.

What term is used for the end of the transmission line that is connected to an antenna?

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Last Answer : Output end, receiving end, load end and sink.

What connecting link is used to transfer energy from a radio transmitter to its antenna located on

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Last Answer : Transmission line.

What determines the beam elevation angle of an antenna that is electronically scanned in elevation?

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Last Answer : Frequency or phase of radiated energy.

What type of antenna has all elements connected to the same energy source?

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Last Answer : Driven Array.

What is a set of antenna elements called?

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Last Answer : Antenna Array.

A horizontally truncated paraboloid antenna is used for what purpose?

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Last Answer : Determine elevation.

What characteristic allows the same antenna to both transmit and receive?

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Last Answer : Reciprocity.

What is the term that is used to describe narrowness in the radiated beam of an antenna?

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Last Answer : Antenna directivity.

What type of antenna radiates in and receives energy from all directions at once?

Description : What type of antenna radiates in and receives energy from all directions at once?

Last Answer : Omnidirectional.

What term is used to express the efficiency of an antenna?

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Last Answer : Power gain or power ratio

What precautions must be taken when sweeping a transmitting antenna?

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Last Answer : You must ensure that power induced from any adjacent transmitting antennas does not damage your test equipment.