Enhancement of VCO Linearity and Phase Noise by Implementing Frequency Locked Loop

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  • Author: Emre Ayranci , Kenn Christensen, Pietro Andreani

This paper investigates the implementation of a Frequency Locked Loop (FLL) over a VCO. The FLL decreases phase noise and linearizes the transfer function. The FLL is fabricated on a 0.35um BiCMOS process and has an operation frequency of 10 GHz.