Title :
Phase locked loop robustness improvement using non integer order loop filter
Author :
Lagareste, V. ; Badets, F. ; Melchior, P. ; Begueret, J.B. ; Deval, Y. ; Oustaloup, A. ; Belot, D.
Author_Institution :
STMicroelectronics, Crolles
Abstract :
This paper presents how noninteger order filters can be used in phase locked loop (PLL) based frequency synthesizers in order to increase their stability robustness. Application to a 192MHz PLL involved in a 3.6GHz multimode double loop frequency synthesizer is described
Keywords :
UHF filters; frequency synthesizers; phase locked loops; stability; voltage-controlled oscillators; 192 MHz; 3.6 GHz; multimode double loop frequency synthesizer; non integer order filters; phase locked loop; stability robustness; Filters; Frequency conversion; Frequency synthesizers; Laboratories; Phase frequency detector; Phase locked loops; Radio frequency; Robustness; Stability; Voltage-controlled oscillators;
Conference_Titel :
Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International Symposium on
Conference_Location :
Island of Kos
Print_ISBN :
0-7803-9389-9
DOI :
10.1109/ISCAS.2006.1693310
