Patents by Inventor Omar Abdulmonem Mohamed Elsayed

Omar Abdulmonem Mohamed Elsayed 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).

  • LOW POWER ACTIVE PHASE SHIFTER FOR PHASE-ARRAY SYSTEMS
    Publication number: 20220399864
    Abstract: A variable gain amplifier includes a first transconductor circuit coupled to a first input terminal, a first output terminal, and a second output terminal of the variable gain amplifier, the first transconductor circuit including: a plurality of positive coefficient transistors coupled to the first output terminal and configured to selectively conduct current in response to a first binary code, a plurality of negative coefficient transistors coupled to the second output terminal and configured to selectively conduct current in response to a second binary code, and a plurality of amplifying transistors, each having a gate electrode coupled to the first input terminal, a first electrode coupled to a ground reference, and a second electrode coupled to a pair of coefficient transistors including one of the plurality of positive coefficient transistors and one of the plurality of negative coefficient transistors.
    Type: Application
    Filed: May 17, 2022
    Publication date: December 15, 2022
    Inventors: Omar Abdulmonem Mohamed Elsayed, Venumadhav Bhagavatula, Tienyu Chang, Siu-Chuang Ivan Lu, Sangwon Son