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:
Mar. 27, 2012
Filed:
May. 20, 2009
Applicants:
Jeongsik Yang, Cupertino, CA (US);
Jin Wook Kim, San Jose, CA (US);
Hong Sun Kim, San Jose, CA (US);
Sang-oh Lee, Cupertino, CA (US);
Inventors:
Jeongsik Yang, Cupertino, CA (US);
Jin Wook Kim, San Jose, CA (US);
Hong Sun Kim, San Jose, CA (US);
Sang-Oh Lee, Cupertino, CA (US);
Assignee:
QUALCOMM, Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); G01R 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus for self testing a multiband voltage controlled oscillator (VCO) are disclosed. A tuning voltage of the VCO is adjusted where the output of the VCO does not affect the input to the VCO. Frequency bands in the VCO are selected. Output frequencies of the VCO are measured.