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.

Date of Patent:
Mar. 01, 2016

Filed:

Apr. 24, 2014
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Seyed Mahmoudreza Saadat, La Jolla, CA (US);

Chunlei Shi, San Diego, CA (US);

Chenchang Zhan, San Diego, CA (US);

Assignee:

QUALCOMM, Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/00 (2006.01); H03K 3/012 (2006.01); H03K 17/56 (2006.01); H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
H03K 3/012 (2013.01); H03K 17/56 (2013.01); H03K 17/6874 (2013.01); H03K 2217/0036 (2013.01); H03K 2217/0081 (2013.01);
Abstract

In one embodiment, a circuit comprises a first switching transistor and a second switching transistor. The first switching transistor and the second switching transistor are coupled in series between an input voltage and ground and having a common node therebetween to provide a switching output. A first switching circuit selective couples a gate of the first switching transistor to the input voltage and a first mid-level voltage supply. A second switching circuit selectively couples a gate of the second switching transistor to a second mid-level voltage supply and ground. A charge-recycling circuit is coupled to the gate of the first switching transistor, the gate of the second switching transistor, the first mid-level voltage supply, and the second mid-level voltage supply to selectively recycle charge between the first mid-level voltage supply and the second mid-level voltage supply.


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