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:
Aug. 18, 2009
Filed:
Mar. 25, 2008
Applicants:
Da-huei Lee, Tainan, TW;
Tai-haur Kuo, Tainan, TW;
Inventors:
Da-Huei Lee, Tainan, TW;
Tai-Haur Kuo, Tainan, TW;
Assignees:
Megawin Technology Co., Ltd., Hsinchu, TW;
National Cheng Kung University, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A return-to-zero current-steering DAC is presented. The presented return-to-zero technique can isolate the analog output nodes of the DAC from the coupling of the control signals of the DAC without sacrificing speed. The topology uses a bank of return-to-zero circuits, which employs return-to-zero and isolation transistors to implement the presented return-to-zero technique.