Digital timing synchronization with jitter reduction technique for cap-based VDSL system. - Yongchul Song; Kyehyung Lee; Beomsup Kim (ICASSP, 2001)

A 330-MHz 15-b quadrature digital synthesizer/mixer in 0.25-μm CMOS. - Yongchul Song; Beomsup Kim (ESSCIRC, 2003)

A low-power CMOS Bluetooth RF transceiver with a digital offset canceling DLL-based GFSK demodulator. - Sangjin Byun; Chan-Hong Park; Yongchul Song; Sung-Ho Wang; Cormac S. G. Conroy; Beomsup Kim (IEEE J. Solid State Circuits, 2003)

Low-jitter digital timing recovery techniques for CAP-based VDSL applications. - Yongchul Song; Beomsup Kim (IEEE J. Solid State Circuits, 2003)

A 14-b direct digital frequency synthesizer with sigma-delta noise shaping. - Yongchul Song; Beomsup Kim (IEEE J. Solid State Circuits, 2004)

A quadrature digital synthesizer/mixer architecture using fine/coarse coordinate rotation to achieve 14-b input, 15-b output, and 100-dBc SFDR. - Yongchul Song; Beomsup Kim (IEEE J. Solid State Circuits, 2004)

Quadrature direct digital frequency synthesizers using interpolation-based angle rotation. - Yongchul Song; Beomsup Kim (IEEE Trans. Very Large Scale Integr. Syst., 2004)

An Efficient Software-Defined Radio Architecture for Multi-Mode WCDMA Applications. - Jaesang Lim; Yongchul Song; Jeong Pyo Kim; Beomsup Kim (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)