Process and Temperature Calibration of PLLs with BiST Capabilities. - Richard Geisler; John C. Liobe; Martin Margala (ISCAS, 2007)

A Novel Application of FM-ADC Toward the Self-Calibration of Phase-Locked Loops. - John C. Liobe; Richard Geisler; Martin Margala (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)