Phase-frequency detector to phase locked loop from DC to 8GHz

September 06, 2018 // By Julien Happich
RFMW is now supporting the design and sales of the PFD1K phase-frequency detector from Microsemi. Delivered in a 40-pin, 6- x 6-mm ceramic leadless surface mount package, the device incorporates dual, 0.01 to 40 GHz, 7-bit programmable, high-speed prescalers for reference and VCO inputs.

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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