Patents by Inventor Khaled A. Fayed

Khaled A. Fayed 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).

  • Publication number: 20240048101
    Abstract: Apparatus and methods for biasing power amplifiers are provided herein. In certain embodiments, a power amplifier includes a bipolar transistor having a base biased by a bias network having a reactance that controls an impedance at the transistor base to achieve substantially flat phase response over large dynamic power levels. For example, the bias network can have a frequency response, such as a high-pass or band-pass response, that reduces the impact of power level on phase distortion (AM/PM).
    Type: Application
    Filed: July 18, 2023
    Publication date: February 8, 2024
    Inventors: Kunal Datta, Khaled A. Fayed, Edward James Anthony, Srivatsan Jayaraman, Jinghang Feng
  • Patent number: 11750151
    Abstract: Apparatus and methods for biasing power amplifiers are provided herein. In certain embodiments, a power amplifier includes a bipolar transistor having a base biased by a bias network having a reactance that controls an impedance at the transistor base to achieve substantially flat phase response over large dynamic power levels. For example, the bias network can have a frequency response, such as a high-pass or band-pass response, that reduces the impact of power level on phase distortion (AM/PM).
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: September 5, 2023
    Assignee: Skyworks Solutions, Inc.
    Inventors: Kunal Datta, Khaled A. Fayed, Edward James Anthony, Srivatsan Jayaraman, Jinghang Feng
  • Publication number: 20230113416
    Abstract: An envelope tracking system has an envelope tracker that is configured to generate a power amplifier supply voltage that changes is relation to an envelope of a radio frequency signal, and a power amplifier comprises at least a first amplification stage having an input terminal receiving a radio frequency (RF) signal to be amplified. The power amplifier has a first coupling unit, and a second coupling unit inductively coupled with the first coupling unit, the second coupling unit provides radio frequency-coupled feedback to the input terminal of the first amplification stage through a radio frequency-coupled feedback path.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 13, 2023
    Inventors: Kunal Datta, Khaled A. Fayed
  • Publication number: 20230114571
    Abstract: A power amplifier comprises a first amplification stage having an input terminal receiving a radio frequency (RF) signal to be amplified and having a first coupling unit, a second amplification stage outputting an amplified radio frequency signal and having a second coupling unit and a third coupling unit providing RF feedback to the input terminal of the first amplification stage through an RF feedback path, the second coupling unit being coupled to the first coupling unit, and the third coupling unit being coupled to the first coupling unit.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 13, 2023
    Inventors: Kunal Datta, Khaled A. Fayed
  • Publication number: 20220006426
    Abstract: Apparatus and methods for biasing power amplifiers are provided herein. In certain embodiments, a power amplifier includes a bipolar transistor having a base biased by a bias network having a reactance that controls an impedance at the transistor base to achieve substantially flat phase response over large dynamic power levels. For example, the bias network can have a frequency response, such as a high-pass or band-pass response, that reduces the impact of power level on phase distortion (AM/PM).
    Type: Application
    Filed: June 14, 2021
    Publication date: January 6, 2022
    Inventors: Kunal Datta, Khaled A. Fayed, Edward James Anthony, Srivatsan Jayaraman, Jinghang Feng
  • Patent number: 11070171
    Abstract: Apparatus and methods for biasing power amplifiers are provided herein. In certain embodiments, a power amplifier includes a bipolar transistor having a base biased by a bias network having a reactance that controls an impedance at the transistor base to achieve substantially flat phase response over large dynamic power levels. For example, the bias network can have a frequency response, such as a high-pass or band-pass response, that reduces the impact of power level on phase distortion (AM/PM).
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 20, 2021
    Assignee: Skyworks Solutions, Inc.
    Inventors: Kunal Datta, Khaled A. Fayed, Edward James Anthony, Srivatsan Jayaraman, Jinghang Feng
  • Publication number: 20200228064
    Abstract: Apparatus and methods for biasing power amplifiers are provided herein. In certain embodiments, a power amplifier includes a bipolar transistor having a base biased by a bias network having a reactance that controls an impedance at the transistor base to achieve substantially flat phase response over large dynamic power levels. For example, the bias network can have a frequency response, such as a high-pass or band-pass response, that reduces the impact of power level on phase distortion (AM/PM).
    Type: Application
    Filed: January 9, 2020
    Publication date: July 16, 2020
    Inventors: Kunal Datta, Khaled A. Fayed, Edward James Anthony, Srivatsan Jayaraman, Jinghang Feng