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Altera_Forum
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14 years ago

Low Frequency PLL Multiplier

For a video genlocking application I need to multiply an incoming ~15KHZ clock by ~2000 to produce ~30MHZ. The input frequency is too low for the PLLs in my Cyclone III and I've been straining my br...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Thanks for your thoughts. I've heard of an all digital PLL but know little about it. Seems like it would need to run from a clock much higher than 30MHZ. I can research this one. I think I can tolerate 1-2 ns of jitter.

I've not heard of the quasi-continuous digital PLL, can you point me to a reference?