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Altera_Forum
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16 years ago

PLL megacore probs.build my own??

Hi all, I want to implement a PLL that will lock onto & track an incoming signal of about 30KHz and output a multiple of that locked frequency. I tried using Quartus's PLL megacore function but...
Altera_Forum's avatar
Altera_Forum
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16 years ago

If these are separate NCO output signals, they won't be phase locked, I think. The design is obviously different from a classical PLL, where the VCO output is divided down and phase locked to the reference input.

I'm not clear about the specific implementation problems you reported. I never used a Megacore to implement a PLL, but this should work as well.