The phase comparator core of the phase frequency detector has an input range of 105 MHz in integer-n mode and 50 MHz in fractional-n mode. The high PFD frequency allows lower divide-by-n ratios which yields better phase noise performance.
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The phase comparator core of the phase frequency detector has an input range of 105 MHz in integer-n mode and 50 MHz in fractional-n mode. The high PFD frequency allows lower divide-by-n ratios which yields better phase noise performance.
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