Frequency Shift Keying Flashcards
0
Q
What is the difference between the highest frequency level and the lowest frequency level?
A
Excursion
1
Q
What is the difference between two adjacent frequency levels?
A
Shift
2
Q
What is the shift equal in FSK?
A
Excursion
3
Q
What is the formula to work out the SMI?
A
Fd/fm or shift/bauds
4
Q
What is the formula for working out the minimum bandwidth?
A
2(fd+fm) or shift+bauds
5
Q
If baud speed is 50 and SMI is 20, what is the shift?
A
1000, baud x SMI
6
Q
What is the drop between the major lobe and minor lobes in an MSK signal?
A
23.7dB
7
Q
In MSK signals, what is the width of the minor lobe equal to?
A
Shift
8
Q
In MSK signal, what is equal to 1.5x keying rate?
A
Width of major lobe
9
Q
In MSK signal, what special relationship does baud speed have with shift?
A
Baud=shiftx2
