Text this: Design of a fully differential controlled gain open-loop wideband amplifier with high PSRR

__    __     ___      ____      ______   ______   
\ \\ / //   / _ \\   |  _ \\   /_   _// |      \\ 
 \ \/ //   / //\ \\  | |_| ||   -| ||-  |  --  // 
  \  //   |  ___  || | .  //    _| ||_  |  --  \\ 
   \//    |_||  |_|| |_|\_\\   /_____// |______// 
    `     `-`   `-`  `-` --`   `-----`  `------`