An analog front-end LSI with on-chip isolator for V.90 56 kbps modems. - Nobuyasu Kanekawa; Yasuyuki Kojima; Seigo Yukutake; Minehiro Nemoto; Takayuki Iwasaki; Kazuhisa Takami; Yusuke Takeuchi; Atsuko Yano; Yasuo Shima (CICC, 2000)