Heng-Yu Jian, Zhiwei Xu, Yi-Cheng Wu, Mau-Chung Frank Chang. A Fractional- PLL for Multiband (0.8-6 GHz) Communications Using Binary-Weighted D/A Differentiator and Offset-Frequency Δ-Σ Modulator. J. Solid-State Circuits, 45(4):768-780, 2010. [doi]
Abstract is missing.