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. 06, 2007
Filed:
Aug. 25, 2003
Applicants:
Yonghua Song, Saratoga, CA (US);
Sang Won Son, Sunnyvale, CA (US);
Inventors:
Yonghua Song, Saratoga, CA (US);
Sang Won Son, Sunnyvale, CA (US);
Assignee:
Marvell Semiconductor, Inc., Hamilton, BM;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
Abstract
A programmable gain voltage buffer circuit with a programmable gain may include transistors in parallel with resistors. The transistors may be used as variable resistors, with the resistors predominating the equivalent resistances at output points in different branches of the buffer circuit. The transistors may have resistances corresponding to programmable gain steps in the circuit.