A 20-MHz Bandwidth Continuous-Time Sigma-Delta Modulator With Jitter Immunity Improved Full Clock Period SCR (FSCR) DAC and High-Speed DWA. - Jun-Gi Jo; Jinho Noh; Changsik Yoo (IEEE J. Solid State Circuits, 2011)

A Class-D Amplifier With Pulse Code Modulated (PCM) Digital Input for Digital Hearing Aid. - Jinho Noh; Dongjun Lee; Jun-Gi Jo; Changsik Yoo (IEEE J. Solid State Circuits, 2013)

An analog sigma-delta modulator with shared operational amplifier for low-power class-D audio amplifier. - Jinho Noh; Jisoo Lee; Changsik Yoo (IEICE Electron. Express, 2015)