Question 1

The solid area through which all the power radiated by the antenna is:

Accepted Answer

A) beam area 
B) effective area 
C) aperture area 
D) beam efficiency 
A) beam area 
B) effective area 
C) aperture area 
D) beam efficiency

Question 2

A __________  is a device that converts a guided electromagnetic wave on a transmission line into a plane wave propagating in free space.

Accepted Answer

A) transmitting antenna 
B) receiving antenna 
C) radar 
D) mixer 
A) transmitting antenna 
B) receiving antenna 
C) radar 
D) mixer

Question 3

Beamwidth and directivity are both measures of the focusing ability of an antenna.

Accepted Answer

A) True 
 B)False

Question 4

Antennas having a constant pattern in the azimuthal plane are called __________

Accepted Answer

A) high gain antenna 
B) omnidirectional antenna 
C) unidirectional antenna 
D) low gain antenna 
A) high gain antenna 
B) omnidirectional antenna 
C) unidirectional antenna 
D) low gain antenna

Question 5

If a frequency multiplier has a multiplication factor of 10, then the increase in noise level due to frequency multiplication is:

Accepted Answer

A) 10 db 
B) 20 db 
C) 25 db 
D) 15 db 
A) 10 db 
B) 20 db 
C) 25 db 
D) 15 db

The solid area through which all the power radiated by the antenna is:

A __________ is a device that converts a guided electromagnetic wave on a transmission line into a plane wave propagating in free space.

Beamwidth and directivity are both measures of the focusing ability of an antenna.

Antennas having a constant pattern in the azimuthal plane are called __________

If a frequency multiplier has a multiplication factor of 10, then the increase in noise level due to frequency multiplication is:

Antenna and Transmission Line

Antenna Fundamentals and Characteristics

Antenna Arrays, Power Amplifiers, and Gunn Diodes

Microwave Devices and Their Operation: Gunn Diodes, Impatt Diodes, Klystron Tubes

RF Devices and Circuits

Microwave Network Noise Figure, Oscillator Circuits, and Negative Resistance Devices

Filters

Exam 1: Antennas and Frequency Multipliers

The solid area through which all the power radiated by the antenna is:

A __________ is a device that converts a guided electromagnetic wave on a transmission line into a plane wave propagating in free space.

Beamwidth and directivity are both measures of the focusing ability of an antenna.

Antennas having a constant pattern in the azimuthal plane are called __________

If a frequency multiplier has a multiplication factor of 10, then the increase in noise level due to frequency multiplication is:

Antenna and Transmission Line

Antenna Fundamentals and Characteristics

Antenna Arrays, Power Amplifiers, and Gunn Diodes

Microwave Devices and Their Operation: Gunn Diodes, Impatt Diodes, Klystron Tubes

RF Devices and Circuits

Microwave Network Noise Figure, Oscillator Circuits, and Negative Resistance Devices

Filters