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. 10, 2009
Filed:
Mar. 13, 2007
Applicant:
Swee-ann Teo, Sunnyvale, CA (US);
Inventor:
Swee-Ann Teo, Sunnyvale, CA (US);
Assignee:
Marvell International Ltd., Hamilton, BM;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/12 (2006.01); H03L 7/099 (2006.01);
U.S. Cl.
CPC ...
Abstract
A voltage-controlled oscillator (VCO) circuit includes first, second, third, and fourth transistors, wherein said third and fourth transistors bias the second and first transistors, respectively. First and second capacitances communicate with the first, second, third, and fourth transistors. A first input receives a first capacitance adjustment signal. At least one second input receives a second capacitance adjustment signal. The first capacitance has a first end connected to he first input and the third transistor. The second capacitance has a first end connected to the second input and the fourth transistor.