bobcat1
Advanced Member level 4
pll sourcecode
Hi
I have attached source code (c language) for digital pll who decode FSK signal
in the 1150 ~ 2150 Hz frequency range , I have 4 questions:
1) Can this source code be allterd to decode FSK signal with frequency range between 100 ~ 200 KHz
2) Whether the answer to question 1 is true - how do I re calculate the coefficient and sample frequency to work in the new frequency range
3) Whether the answer to question 1 and 2 are true - how many A2D samples neded (window size) in order to id a the 1 st and the 2nd frequency.
4) Can I use DFT insted of PLL to ID the requested frequency magnitud or is it a slower methode
Any answer will be appreciated
Thanks
Bobi
Hi
I have attached source code (c language) for digital pll who decode FSK signal
in the 1150 ~ 2150 Hz frequency range , I have 4 questions:
1) Can this source code be allterd to decode FSK signal with frequency range between 100 ~ 200 KHz
2) Whether the answer to question 1 is true - how do I re calculate the coefficient and sample frequency to work in the new frequency range
3) Whether the answer to question 1 and 2 are true - how many A2D samples neded (window size) in order to id a the 1 st and the 2nd frequency.
4) Can I use DFT insted of PLL to ID the requested frequency magnitud or is it a slower methode
Any answer will be appreciated
Thanks
Bobi