Multi-stage delta-sigma modulator with a relaxed opamp gain using a back-end digital integrator. - Changsok Han; Taewook Kim; Arun Javvaji; Nima Maghari (ISCAS, 2016)

Continuous-time delta-sigma modulator with maximally flat signal transfer function using minimum number of DACs. - Changsok Han; Arun Javvaji; Nima Maghari (MWSCAS, 2017)

A 200MS/s 7bit time domain ring quantizer. - Arun Javvaji; Pavan Terdal; Changsok Han; Taewook Kim; Nima Maghari (MWSCAS, 2017)