Antenna types

Question 1

RF Radiation pattern: omnidirectional bidrectional
Wavelength: 1/4 wavelength 1/2 wavelength
Polarization: Vertically

Answer 1

Whip

Question 2

RF Radiation Pattern: Bidirectional 1/2 wavelength off ground/Omnidirectional 1/4 wavelength off ground
Wavelength 1/2 wavelength
Polarization: Horizontally

Answer 2

Dipole

Question 3

RF Radiation Pattern: Directional

Answer 3

Horn

Question 4

RF Radiation Pattern: Directional
Feed horn

Answer 4

Parabolic

Question 5

What is another name for a whip antenna?

Answer 5

Marconi

Question 6

What type of antenna utilizes a ground plane to create a ground reflected image?

Answer 6

Whip

Question 7

In whip antenna, what determines the direction of radiation?

Answer 7

Size of the ground plane relative to the wavelength

Question 8

This antenna can be center fed, end fed, or offset fed.

Answer 8

Dipole

Question 9

This antenna provides impedance matching between the transmission line and the atmosphere.

Answer 9

Horn

Question 10

A structure that guides RF waves from the transmitter to the antenna.

Answer 10

Waveguide

Question 11

Which waveguide feed device is mounted away from center at an angle near the edge of the parabolic antenna

Answer 11

Offset Feed

Question 12

Which waveguide feed device is directly in line with the center of the antenna?

Answer 12

Front feed

Question 13

What is an antenna array system comprised of 2 or more antennas?

Answer 13

Array