Design of DDFS-driven PLL frequency synthesizer with reduced complexity. - Heung-Gyoon Ryu; Yun-Young Kim; Hyeong-Man Yu; Sang Burm Ryu (IEEE Trans. Consumer Electron., 2001)

A new triple-controlled type frequency synthesizer using simplified DDFS-driven digital hybrid PLL system. - Heung-Gyoon Ryu; Yun-Young Kim; Hyeong-Man Yu; Hyun-Seok Lee (IEEE Trans. Consumer Electron., 2002)