Title :
Computing low-frequency noise in charge-pump phase-locked loops
Author :
Maffezzoni, Paolo ; Levantino, Salvatore
Author_Institution :
Dipt. di Elettron. e Inf., Politec. di Milano, Milan, Italy
Abstract :
An efficient simulation method to compute the low-frequency noise spectrum found at the output of charge-pump phase-locked loops is described. It is investigated how such a noise component varies as a function of the division factor.
Keywords :
charge pump circuits; phase locked loops; voltage-controlled oscillators; VCO; charge-pump phase-locked loops; division factor function; low-frequency noise spectrum; simulation method;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2011.2712
