Patents by Inventor Yi-Tso CHENG

Yi-Tso CHENG 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).

  • Variable gain amplifier and method thereof
    Patent number: 11159136
    Abstract: A variable gain amplifier (VGA) is provided. The VGA includes at least one amplifier circuit, at least one current-steering circuit and at least one bias voltage circuit. Each current-steering circuit is coupled to its corresponding amplifier circuit. Each bias voltage circuit is coupled to its corresponding current-steering circuit to provide a positive bias voltage to each current-steering circuit.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: October 26, 2021
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jeng-Han Tsai, Yi-Tso Cheng, Wei-Tsung Li
  • VARIABLE GAIN AMPLIFIER AND METHOD THEREOF
    Publication number: 20210203296
    Abstract: A variable gain amplifier (VGA) is provided. The VGA includes at least one amplifier circuit, at least one current-steering circuit and at least one bias voltage circuit. Each current-steering circuit is coupled to its corresponding amplifier circuit. Each bias voltage circuit is coupled to its corresponding current-steering circuit to provide a positive bias voltage to each current-steering circuit.
    Type: Application
    Filed: December 30, 2019
    Publication date: July 1, 2021
    Inventors: Jeng-Han TSAI, Yi-Tso CHENG, Wei-Tsung LI