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. 24, 2016

Filed:

Aug. 28, 2014
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Shigeo Imai, Chiba Chiba, JP;

Shinji Nakatsuka, Kamakura Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
H03F 3/45475 (2013.01); H03F 3/45977 (2013.01); H03F 3/45995 (2013.01); H03F 2203/45116 (2013.01); H03F 2203/45171 (2013.01); H03F 2203/45522 (2013.01); H03F 2203/45591 (2013.01);
Abstract

According to one embodiment, an amplification circuit includes first and second differential amplification circuits, each having an output connected to an output terminal and a feedback resistor connected between the output and a negative input of the respective differential amplification circuit. The amplification circuit includes a switching circuit that receives a first signal on first input terminal and a second signal on a second input terminal and includes set of switches that is configured to apply the first and second signals to the first and second differential amplification circuits such that in a first switching state an amplified voltage difference of the first and second signals is available between the two output terminals, and in a second switching state an amplified current difference of the first and second signals is available between the two output terminals.


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