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. 17, 2009
Filed:
Dec. 06, 2006
Chien-lung Lee, Hsinchu, TW;
Yi-wen Huang, Tainan County, TW;
Chien-Lung Lee, Hsinchu, TW;
Yi-Wen Huang, Tainan County, TW;
Analog Integrations Corporation, Science Park, Hsin-Chu, TW;
Abstract
The present invention discloses a current generating apparatus for generating an output current. The current generating apparatus includes: a first current mirror; a first bias current generator for providing a first bias current, and the first bias current generator includes: a first current source for providing the first current; and a capacitive device for conducting a reference current; a second current mirror for generating a second mirror current; a second bias current generator for generating a second current; a third current source for providing a third current, wherein the second mirror current is equal to the third current; a feedback circuit; and a fourth current source for providing a fourth current, wherein the output current is outputted at an output node of the first current mirror.