Patents by Inventor Elham Zamanidoost

Elham Zamanidoost 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).

  • Multi-phase sampling time-to-digital converter (TDC) for jitter measurement
    Patent number: 10965305
    Abstract: Certain aspects are directed to a time-to-digital converter (TDC) that allows for a more accurate jitter measurement. The TDC generally includes a ring oscillator (RO) having a plurality of taps and configured to generate a plurality of RO signals at the plurality of taps, a counter having an input coupled to an oscillating node, and at least two sampling circuits, each having an input coupled to an output of the counter. In certain aspects, the at least two sampling circuits are configured to sample a count signal at the output of the counter based on at least two of the plurality of RO signals at the plurality of taps.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: March 30, 2021
    Assignee: QUALCOMM INCORPORATED
    Inventors: Ravindraraj Ramaraju, Elhossin Abdelmonem Elshafey, Masoud Zamani, Elham Zamanidoost