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:
Jun. 18, 2013
Filed:
Jun. 27, 2011
Applicants:
Janice Chiu, Tustin, CA (US);
Hooman Darabi, Laguna Niguel, CA (US);
Tom (Qiang) LI, Irvine, CA (US);
Shrlung Chen, Irvine, CA (US);
Inventors:
Janice Chiu, Tustin, CA (US);
Hooman Darabi, Laguna Niguel, CA (US);
Tom (Qiang) Li, Irvine, CA (US);
Shrlung Chen, Irvine, CA (US);
Assignee:
Broadcom Corporation, Irvine, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); H03B 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A technique to use an auxiliary varactor coupled to a tuning varactor, in which a temperature compensated bias signal adjusts a bias on the auxiliary varactor to maintain a voltage controlled oscillator (VCO) from drifting in frequency as operating temperature for the VCO changes.