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:
May. 15, 2018
Filed:
Dec. 28, 2016
Applicant:
Aucmos Technologies Usa, Inc., Santa Clara, CA (US);
Inventor:
Teh-Shang Lu, Sunnyvale, CA (US);
Assignee:
AUCMOS Technologies USA, Inc., Santa Clara, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/24 (2006.01); H03H 7/01 (2006.01);
U.S. Cl.
CPC ...
G05F 3/24 (2013.01); H03H 7/0138 (2013.01);
Abstract
A reference voltage generation circuit includes (a) a native MOS transistor coupled to between a power supply voltage source, and the output terminal of the reference voltage generation circuit; (b) an enhancement mode MOS transistor coupled between the output terminal and ground; and (c) a filter circuit that are coupled to the gate terminals of both the native MOS transistor, the enhancement mode transistor and the output terminal of the reference voltage generation circuit, in which the filter circuit has a transfer function including one or more zeroes at predetermined noise frequencies.