An ultra low power pH-monitoring IC with a duty-cycling wireless FM-transmitter. - Yusuke Shiino; Hiroyuki Ito; Taku Fujiwara; Noboru Ishihara; Hisashi Yamanouchi; Hiroki Tanabe; Satoshi Nomura; Toshifumi Konishi; Katsuyuki Machida; Kazuya Masu (ISCAS, 2014)