Digital Modulation Flashcards
1
Q
Amplitude shift keying (ASK) definition
A
“ASK modulates the amplitude of a carrier wave to represent digital data”
2
Q
Frequency key shifting (FSK)
A
“Modulates the frequency of a carrier wave to represent digital data”
3
Q
Phase shift keying (PSK)
A
“Modulates the phase of a carrier wave to represent digital data”
4
Q
Parallel communication
A
Multiple bits are transmitted simultaneously
Faster for short distances
Less efficient as multiple lines
Higher cost
5
Q
Serial communication
A
One bit at a time
Slower for the same clock
More efficient
Lower cost
