100-1000 MHz cutoff frequency, 0-12 dB boost programmable Gm-C filter with digital calibration for HDD read channel. - Takahide Terada; Taizo Yamawaki; Masaru Kokubo; Koji Nasu (ESSCIRC, 2009)

100-1000 MHz Programmable Continuous-Time Filter with Auto-Tuning Schemes and Digital Calibration Sequences for HDD Read Channels. - Takahide Terada; Koji Nasu; Taizo Yamawaki; Masaru Kokubo (IEICE Trans. Electron., 2012)