How can I configure the MAX2880EVKIT for fine resolution adjustments of the output frequency?

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Accepted Answer

For fine resolution adjustments (i.e less than 50MHz steps) of the output frequency, the PLL must be in fractional mode, as shown below. The VCO output is dependent on the equation shown below. The GUI automatically adjusts these registers when programming the VCO frequency. Keep this equation in mind when programming the VCO, as it will let you know the limits of the VCO output.

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MAX2880 PLL EV KIT SOFTWARE: FAQ