Patents by Inventor Jeffrey E. Koeller

Jeffrey E. Koeller 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).

  • Auto-tuning system for an On-Chip RF filter
    Patent number: 8351885
    Abstract: A Radio Frequency Receiver on a Single Integrated Circuit (“RFSIC”) is described. The RFSIC may include a mixer, a phase-locked loop (“PLL”) in signal communication with the mixer, and an on-chip auto-tuned RF filter in signal communication with both the mixer and PPL, such that the same PLL simultaneously tunes the frequency of the VCO and the frequency response of the auto-tuned RF filter.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: January 8, 2013
    Assignee: CSR Technology Inc.
    Inventors: Noshir Dubash, Jeffrey E. Koeller, Daniel Babitch
  • AUTO-TUNING SYSTEM FOR AN ON-CHIP RF FILTER
    Publication number: 20120274427
    Abstract: A Radio Frequency Receiver on a Single Integrated Circuit (“RFSIC”) is described. The RFSIC may include a mixer, a phase-locked loop (“PLL”) in signal communication with the mixer, and an on-chip auto-tuned RF filter in signal communication with both the mixer and PPL, such that the same PLL simultaneously tunes the frequency of the VCO and the frequency response of the auto-tuned RF filter.
    Type: Application
    Filed: October 28, 2011
    Publication date: November 1, 2012
    Applicant: SiRF Technology Inc.
    Inventors: Noshir Dubash, Jeffrey E. Koeller, Daniel Babitch
  • Auto-tuning system for an on-chip RF filter
    Patent number: 8073414
    Abstract: A Radio Frequency Receiver on a Single Integrated Circuit (“RFSIC”) is described. The RFSIC may include a mixer, a phase-locked loop (“PLL”) in signal communication with the mixer, and an on-chip auto-tuned RF filter in signal communication with both the mixer and PPL, such that the same PLL simultaneously tunes the frequency of the VCO and the frequency response of the auto-tuned RF filter.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: December 6, 2011
    Assignee: SiRF Technology Inc.
    Inventors: Noshir Dubash, Jeffrey E. Koeller, Daniel Babitch
  • Auto-Tuning System for an On-Chip RF Filter
    Publication number: 20090325521
    Abstract: A Radio Frequency Receiver on a Single Integrated Circuit (“RFSIC”) is described. The RFSIC may include a mixer, a phase-locked loop (“PLL”) in signal communication with the mixer, and an on-chip auto-tuned RF filter in signal communication with both the mixer and PPL, such that the same PLL simultaneously tunes the frequency of the VCO and the frequency response of the auto-tuned RF filter.
    Type: Application
    Filed: December 22, 2008
    Publication date: December 31, 2009
    Applicant: SiRF Technology, Inc.
    Inventors: Noshir DUBASH, Jeffrey E. KOELLER, Daniel BABITCH
  • Digital synthesizer for low power location receivers
    Patent number: 7616064
    Abstract: A high-frequency phase locked loop synthesizer having a selectable fractional-N divider and integer divider along with a phase frequency detector implemented as a CMOS logic block.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: November 10, 2009
    Inventors: Noshir Dubash, Jeff Ogren, Raja Tupelly, Jeffrey E. Koeller, Doug Schucker