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:
Feb. 15, 2005
Filed:
Apr. 17, 2003
Applicants:
John Groe, Poway, CA (US);
Joseph Austin, San Diego, CA (US);
Inventors:
John Groe, Poway, CA (US);
Joseph Austin, San Diego, CA (US);
Assignee:
Sequoia Communications, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B005/08 ; H03L007/095 ; H03L007/099 ; H03L007/10 ;
U.S. Cl.
CPC ...
Abstract
Voltage-controlled oscillator with apparatus for automatic calibration. The voltage-controlled oscillator includes switches connecting associated coarse-tuning capacitors to an LC resonant tank of the oscillator. The voltage-controlled oscillator also comprises a calibration loop used to appropriately set the switches associated with the coarse tuning apparatus based on a oscillator control signal.