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Altera_Forum
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16 years ago

How to multiply the frequency of a clock?

Hi, I want to multiply the 50 kHz clock signal frequency by 2048 in order to obtain about 100MHz frequency. However, the plls of Cyclone II board are supplying at least 300MHz frequency. How can I...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

It depends on the specification of the intended multiplied clock. Possibly a digital PLL design can be a solution. Otherwise, you have to use an external analog PLL hardware (at least phase detector and VCO).