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:
Feb. 19, 2019
Filed:
Oct. 16, 2017
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Anirban Banerjee, Cary, NC (US);
Todd Morgan Rasmus, Cary, NC (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/02 (2006.01); H03F 3/45 (2006.01); H03L 7/089 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0205 (2013.01); H03F 3/4521 (2013.01); H03F 3/45273 (2013.01); H03L 7/0891 (2013.01); H03F 2203/45112 (2013.01);
Abstract
A rail-to-rail sense amplifier includes a PMOS differential pair and an NMOS differential pair that are arranged in parallel with regard to a biasing network for driving a class AB output stage. The sense amplifier includes a first current differential amplifier and a second current differential amplifier for increasing the output swing while reducing power consumption.