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:
Sep. 26, 2000
Filed:
Jan. 25, 1999
Yil-Suk Yang, Kyungsangbuk-Do, KR;
LG Semicon Co., Ltd., Cheongju, KR;
Abstract
A reference voltage generation circuit which is capable of generating a reference voltage having multiple steps by using a periodic response characteristic of a chaotic circuit. The circuit includes a first sample/hold unit for sampling and holding a periodic output voltage V3 in accordance with a first clock signal CLK1 from an externally connected clock signal generation unit, a second sample/hold unit for sampling and holding an output voltage V3' from the first sample/hold unit in accordance with a second clock signal CLK2 from the externally connected clock signal generation unit, a non-linear unit for receiving voltage V4 from the second sample/hold unit and outputting a non-linear voltage V2 signal having a sawtooth-shaped transfer characteristic, and an addition unit for adding the non-linear voltage signal V2 from the non-linear unit and an externally applied voltage signal V1 and outputting the periodic output voltage V3.
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