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:
Apr. 06, 2010
Filed:
Aug. 20, 2008
Jeong Jin Roh, Gyeonggi-do, KR;
Hyung Dong Roh, Seoul, KR;
Hyoung Joong Kim, Seoul, KR;
Yi Gyeong Kim, Daejeon, KR;
Jong Kee Kwon, Daejeon, KR;
Jeong Jin Roh, Gyeonggi-do, KR;
Hyung Dong Roh, Seoul, KR;
Hyoung Joong Kim, Seoul, KR;
Yi Gyeong Kim, Daejeon, KR;
Jong Kee Kwon, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Industry-University Cooperation Foundation Hanyang University, Ansan-Si, KR;
Abstract
Provided is a band-gap reference voltage generator for low-voltage operation and high precision. The band-gap reference voltage generator minimizes voltage drop by connecting resistors in parallel to bipolar transistors, and cancels temperature dependence by properly adjusting a resistor of an output stage, so that it can provide a stable reference voltage that is unaffected by a change in temperature in spite of a low power supply voltage. Further, the band-gap reference voltage generator minimizes variation of the reference voltage caused by offset noise by switching of input and output voltages at input and output stages of a feedback amplifier, so that it can provide a precise reference voltage.