This work discusses variations in phase noise over the tuning range. The circuit has a phase noise of -101 dBc/Hz at 100 kHz offset, and delivers -2 dBm differentially. Calculations predict phase noise with only a small error.

Additional Metadata
Conference Proceedings of the 1999 IEEE Bipolar/BiCMOS Circuits and Technology Meeting (BCTM 1999)
Citation
Rogers, J, Macedo, Jose, Ojha, Jugnu, & Plett, C. (1999). Effect of varactor non-linearity on the phase noise of a completely integrated 1.8 GHz VCO. Presented at the Proceedings of the 1999 IEEE Bipolar/BiCMOS Circuits and Technology Meeting (BCTM 1999).