Phase-frequency detector to phase locked loop from DC to 8GHz
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eeNews Europe
The prescalers are 1 to 127, integer dividers that feed the differential input of the phase-frequency detector. Dual charge pumps follow the phase-frequency detector and offer differential outputs. Single Sideband phase noise is -153dBc/Hz at 10KHz offset. The PFD1K operates with a single positive or negative 3.3V supply.
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