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:
May. 26, 2015

Filed:

Jul. 08, 2013
Applicant:

Marvell World Trade Ltd., St. Michael, BB;

Inventors:

Gregory Uehara, Austin, TX (US);

Xiaohua Fan, Austin, TX (US);

Assignee:

Marvell World Trade Ltd., St. Michael, BB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/26 (2006.01); H03H 11/04 (2006.01); H03F 1/22 (2006.01); H03F 3/45 (2006.01); H03F 3/72 (2006.01);
U.S. Cl.
CPC ...
H03H 11/0461 (2013.01); H03F 1/223 (2013.01); H03F 3/45076 (2013.01); H03F 3/72 (2013.01); H03F 2200/222 (2013.01); H03F 2200/294 (2013.01); H03F 2200/414 (2013.01); H03F 2200/429 (2013.01); H03F 2200/451 (2013.01); H03F 2203/45352 (2013.01); H03F 2203/45366 (2013.01); H03F 2203/45394 (2013.01); H03F 2203/45464 (2013.01); H03F 2203/7209 (2013.01); H03F 2203/7236 (2013.01);
Abstract

A circuit includes first and second transconductance stages that generate first and second currents, respectively, in response to an input signal. A current combiner circuit selectively couples the first current to a first output, selectively couples the second current to the first output, selectively couples the first current to a second output, and selectively couples the second current to the second output. In response to the first current being coupled to both the first and second outputs, the current combiner circuit couples the second current to both the first and second outputs. In response to the first current being decoupled from the second output, the current combiner circuit decouples the second current from both the first and second outputs. In response to the first current being decoupled from the first output, the current combiner circuit decouples the second current from both the first and second outputs.


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