Patents Represented by Attorney Vincent B. Ingrass

Find this attorney in the Justia Lawyer Directory

  • CMOS Operational amplifier employing push-pull output stage
    Patent number: 4383223
    Abstract: A CMOS operational amplifier includes a biasing scheme for supplying current to a differential stage. A push-pull output stage includes a current sinking transistor which is coupled to a first output of the differential stage. A current mirror is coupled between a second output of the differential stage and the gate electrode of a current sourcing device in the output stage.
    Type: Grant
    Filed: April 10, 1980
    Date of Patent: May 10, 1983
    Assignee: Motorola, Inc.
    Inventor: Richard W. Ulmer