Patents Examined by Rework Rework
  • Differential amplifier and dual mode comparator using the same
    Patent number: 9160323
    Abstract: A differential amplifier includes an input common mode voltage generation unit suitable for generating an input common mode voltage, an input common mode voltage sampling unit suitable for performing an independent sampling operation on the input common mode voltage, and a differential amplifying unit suitable for performing a differential amplifying operation on an input voltage and the sampled input common mode voltage.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: October 13, 2015
    Assignee: SK Hynix Inc.
    Inventor: Si-Wook Yoo