MFSK Flashcards
1
Q
What does MFSK stand for ?
A
Multi-level frequency shift keying
2
Q
What is the definition of MFSK?
A
Increase the number of levels the signal can change to during transmission is MFSK
3
Q
Name the levels of the FSK system ?
A
2/4/8/16/32 level MFSK systems.
4
Q
What are the advantages of MFSK?
A
Higher information rate
Variable information rate
Easily adapted to the RF environment
5
Q
Disadvantages of MFSK?
A
Susceptible to drift due to the narrow spacings.
Susceptible to noise
6
Q
How would you work out the data rate if you had 500 Bauds and a 16 level MFSK?
A
500 Bauds x bits on a 16 level MFSK which is 4
500x4 = 2000 bps
7
Q
How do you express 1,2 and 3 bits in words?
A
1 bit = 1
Di = 2
Tri = 3
