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:
Oct. 15, 2019

Filed:

Sep. 10, 2018
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Tetsuro Itakura, Nerima, JP;

Yohei Hatakeyama, Yokohama, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/56 (2006.01); H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
G05F 1/561 (2013.01); H03F 3/45183 (2013.01); H03F 2203/45156 (2013.01); H03F 2203/45601 (2013.01);
Abstract

According to one embodiment, a voltage-current conversion circuit includes an amplifier first, second and third inputs, a transistor including a first and second terminals, and a control terminal electrically connected to an output of the amplifier, and a serial connection including resistors connected in series between the first terminal and an ac ground, wherein a predetermined connecting point, among a first connecting point between the first terminal and the serial connection, a second connecting point between the ac ground and the serial connection, and one or more third connecting points between the resistors, is connected to the second input, and one of the connecting points other than the predetermined connecting point is connected to the third input.


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