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. 02, 2010
Filed:
May. 03, 2007
Applicants:
Michael J. Guidry, Jr., Manchester, NH (US);
Jianguo Yao, Londonderry, NH (US);
Matthew L. Courcy, Fremont, NH (US);
Inventors:
Michael J. Guidry, Jr., Manchester, NH (US);
Jianguo Yao, Londonderry, NH (US);
Matthew L. Courcy, Fremont, NH (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An analog front end for a multi-channel signal processor is provided. The analog front end includes a first stage that is operable to receive a plurality of channel inputs. The first stage includes a ping/pong capacitor array corresponding to each of the channel inputs and an operational amplifier that may be coupled successively to each of the ping/pong capacitor arrays.