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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...
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Altera_Forum
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16 years ago

A DPLL can also use a VCO equivalent operating at multiple of the reference input, but as the VCO is time-discrete, it's clock edges are coinciding with the system clock events, a higher VCO frequency means more jitter in the output signal. But a NCO is time-discrete as well.