Title :
Comments on the effectiveness of the Szabo and Kolumban solution to false lock in sampling PLL frequency synthesizer
Author :
Parle, Michael ; Kennedy, Michael Peter
Author_Institution :
Dept. of Microelectron. Eng., Cork Univ. Coll., Ireland
fDate :
28 Aug.-2 Sept. 2005
Abstract :
A simple circuit to correct false lock was proposed in (Szabo and Kolumban, 2001). This work shows that when used in a low voltage environment, and during switching of the output frequency, this circuit may not always prevent the development of false lock.
Keywords :
frequency synthesizers; low-power electronics; network analysis; phase locked loops; false lock correction; low voltage environment; output frequency switching; sampling PLL frequency synthesizer; Circuits; Filters; Frequency synthesizers; Phase detection; Phase frequency detector; Phase locked loops; Sampling methods; Switches; Voltage; Voltage-controlled oscillators;
Conference_Titel :
Circuit Theory and Design, 2005. Proceedings of the 2005 European Conference on
Print_ISBN :
0-7803-9066-0
DOI :
10.1109/ECCTD.2005.1523148
