Title :
All digital frequency synthesis based on new sigma-delta modulation architectures
Author :
Sotiriadis, Paul P.
Author_Institution :
Dept. of Electr. & Comput. Sci., Nat. Tech. Univ. of Athens, Athens, Greece
Abstract :
This work presents a general architecture for all-digital frequency synthesizers based on a frequency-shifted Σ/Δ modulator. The synthesizers can achieve spurs free spectrum within the band of interest and high dynamic range. System level aspects of the synthesizers are discussed and MATLAB simulation results are presented.
Keywords :
frequency synthesizers; sigma-delta modulation; MATLAB simulation; all-digital frequency synthesizers; frequency-shifted sigma-delta modulator; Frequency synthesizers; Modulation; Noise; Poles and zeros; Quantization (signal); Synthesizers; Direct dig; Dithering;
Conference_Titel :
Frequency Control Symposium & the European Frequency and Time Forum (FCS), 2015 Joint Conference of the IEEE International
Conference_Location :
Denver, CO
Print_ISBN :
978-1-4799-8865-5
DOI :
10.1109/FCS.2015.7138931
