The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2007
Filed:
Aug. 01, 2005
Nicola Da Dalt, Villach, AT;
Peter Gregorius, München, DE;
Nicola Da Dalt, Villach, AT;
Peter Gregorius, München, DE;
Infineon Technologies AG, Munich, DE;
Abstract
A method and a device for generating a clock signal (F) are provided, wherein a digital phase difference signal (X) is formed depending on a phase difference between a reference clock signal (F) and a feedback signal (F) derived from the clock signal (F) and wherein the digital phase difference signal (X) is digitally filtered, in order to form a digital filtered phase difference signal (U). A digitally controlled oscillator () is activated by a digital control signal dependent on the digital filtered phase difference signal (U) to generate the clock signal (F). With a device of this kind clock signals with frequencies in the gigahertz range can be generated with a minimum of analog circuit parts.