A 25 Ms/s 8-b-10 Ms/s 10-b CMOS data acquisition IC for digital storage oscilloscopes. - Naoya Kusayanagi; Toru Choi; Masaya Hiwatashi; Masahiro Segami; Yasukazu Akasaka; Tadashi Wakabayashi (IEEE J. Solid State Circuits, 1998)

A Study to Realize a 1-V Operational Passive Sigma-Delta Modulator by Using a 90 nm CMOS Process. - Toru Choi; Tatsuya Sakamoto; Yasuhiro Sugimoto (IEICE Trans. Electron., 2007)