Wireless Radio Systems - Chp 10 Flashcards
(7 cards)
1
Q
An AC signal of ____ falls into the RF spectrum.
A
3kHz to 300GHz
2
Q
What does the transmitter do with its incoming signal stream?
A
Modulates it to be sent out via an antenna
3
Q
____ is the most important step in converting data in a transmitter.
A
Modulation
4
Q
The range of frequencies between 300MHz and 3GHz is the ____ band.
A
UHF
5
Q
One of the most efficient configurations for a vertical antenna is to ____.
A
Have a physical length one-quarter of the signal wavelength
6
Q
The main function of a diversity receiver is to ____.
A
Compare phase differences between signals to avoid cancellation
7
Q
Parabolic antennas are ideal for use ____.
A
In point-to-point communications
