Title :
Phase error determination in GMSK modulated fractional-N PLL
Author :
Camino, L. ; Ramet, S. ; Begueret, J.B. ; Deval, Y. ; Fouillat, Pascal
Author_Institution :
STMicroelectronics, Grenoble, France
fDate :
6/23/1905 12:00:00 AM
Abstract :
Phase error contributors in a GMSK modulated fractional-N synthesizer are defined : the impulse response length and the oversampling ratio of the Gaussian filter, and the order and resolution of the Σ▵ converter. A method to optimise them is presented
Keywords :
compensation; digital filters; errors; frequency synthesizers; minimum shift keying; phase locked loops; phase noise; sigma-delta modulation; transient response; Σ▵ converter resolution; GMSK modulated fractional-N PLL; Gaussian filter; digital filter gain compensation; digital filter group delay compensation; fractional-N synthesizer; impulse response length; oversampling ratio; phase error determination; sigma delta convertor; Amplitude modulation; Baseband; Digital filters; Frequency conversion; Frequency modulation; Modulation coding; Phase locked loops; Phase modulation; Quadrature amplitude modulation; Synthesizers;
Conference_Titel :
Electronics, Circuits and Systems, 2001. ICECS 2001. The 8th IEEE International Conference on
Print_ISBN :
0-7803-7057-0
DOI :
10.1109/ICECS.2001.957662
