Patents by Inventor Krzysztof BABINSKI

Krzysztof BABINSKI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11418161
    Abstract: A digital to analog converter (DAC) can include a current mode DAC to receive an OC word from digital logic indicating an amount of current to add to or remove from sources of respective transistors of an amplifier and generate a current based on the OC word, an active output stage including a positive current mirror and a negative current mirror to generate a positive current and a negative current based on at least a portion of the generated current, and a plurality of outputs including a plurality of sink outputs and a plurality of source outputs to provide the positive and negative currents to the sources of the respective transistors.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: August 16, 2022
    Assignee: Apple Inc.
    Inventors: John J. Parkes, Jr., Krzysztof Babinski
  • Publication number: 20200395906
    Abstract: A digital to analog converter (DAC) can include a current mode DAC to receive an OC word from digital logic indicating an amount of current to add to or remove from sources of respective transistors of an amplifier and generate a current based on the OC word, an active output stage including a positive current mirror and a negative current mirror to generate a positive current and a negative current based on at least a portion of the generated current, and a plurality of outputs including a plurality of sink outputs and a plurality of source outputs to provide the positive and negative currents to the sources of the respective transistors.
    Type: Application
    Filed: March 27, 2018
    Publication date: December 17, 2020
    Inventors: John J. PARKES, Jr., Krzysztof BABINSKI