Patents by Inventor Fernando Cardes

Fernando Cardes 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).

  • System and method for an oversampled data converter
    Patent number: 9106211
    Abstract: In accordance with an embodiment, a circuit includes an oscillator having an oscillation frequency dependent on an input signal, a digital accumulator having a first input coupled to an output of the oscillator, a digital-to-analog converter (DAC) coupled to an output of the digital accumulator, an analog loop filter coupled to an output of the digital-to-analog converter, and a comparison circuit having an input coupled to an output of the analog loop filter and an output coupled to a second input of the digital accumulator.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 11, 2015
    Assignee: Infineon Technologies Austria AG
    Inventors: Andreas Wiesbauer, Dietmar Straeussnigg, Luis Hernandez, Fernando Cardes
  • System and Method for an Oversampled Data Converter
    Publication number: 20140270261
    Abstract: In accordance with an embodiment, a circuit includes an oscillator having an oscillation frequency dependent on an input signal, a digital accumulator having a first input coupled to an output of the oscillator, a digital-to-analog converter (DAC) coupled to an output of the digital accumulator, an analog loop filter coupled to an output of the digital-to-analog converter, and a comparison circuit having an input coupled to an output of the analog loop filter and an output coupled to a second input of the digital accumulator.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Inventors: Andreas Wiesbauer, Dietmar Straussnigg, Luis Hernandez, Fernando Cardes