Himanshu Arora Nikolaus Klemmer Thomas Jochum Patrick Wolf Phase-Noise Driven System Design of Fractional-N Frequency Synthesizers and Validation With Measured Results. 133-138 2007 conf/isvlsi/2007 ISVLSI http://doi.ieeecomputersociety.org/10.1109/ISVLSI.2007.82 db/conf/isvlsi/isvlsi2007.html#AroraKJW07