Patents by Inventor Swee Boon Tan

Swee Boon Tan 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).

  • Self-biased phased-locked loop
    Patent number: 7310020
    Abstract: In general, in one aspect, the disclosure describes a phase-locked loop circuit. The circuit includes an oscillator having a first control input, a second control input, and a third control input, wherein the first control input, the second control input, and the third control input act to control output frequency of the oscillator. The circuit further includes a first charge pump and a second charge pump. A first bias generator is coupled to the first control input of the oscillator and can receive electrical input from the first charge pump. A second bias generator is coupled to the second control input of the oscillator and can receive electrical input from the first charge pump, the second charge pump, and the first bias generator. A third bias generator is coupled to the third control input of the oscillator and can receive electrical input from the second charge pump and the first bias generator.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: December 18, 2007
    Assignee: Intel Corporation
    Inventors: Swee Boon Tan, Keng L. Wong
  • Self-biased phased-locked loop
    Patent number: 7173461
    Abstract: In general, in one aspect, the disclosure describes a phase-locked loop circuit. The circuit includes an oscillator having a first control input and a second control input, wherein the first control input and the second control input act to control output frequency of the oscillator. The circuit further includes a first charge pump and a second charge pump. A first bias generator is coupled to the first control input of the oscillator and can receive electrical input from the first charge pump and the second charge pump. A second bias generator is coupled to the second control input of the oscillator and can receive electrical input from the second charge pump and the first bias generator.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: February 6, 2007
    Assignee: Intel Corporation
    Inventors: Swee Boon Tan, Keng L. Wong