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. 07, 2019

Filed:

Aug. 03, 2017
Applicant:

SK Hynix Inc., Icheon-si, Gyeonggi-do, KR;

Inventors:

Dong Hyun Kim, Icheon-si, KR;

Eun Ji Choi, Icheon-si, KR;

Yo Han Jeong, Seoul, KR;

Soon Ku Kang, Icheon-si, KR;

Woo Jin Kang, Icheon-si, KR;

Kwan Su Shon, Guri-si, KR;

Hyun Bae Lee, Icheon-si, KR;

Tae Jin Hwang, Seoul, KR;

Assignee:

SK hynix Inc., Icheon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01); G05F 1/565 (2006.01); H03M 1/00 (2006.01);
U.S. Cl.
CPC ...
H03F 3/45076 (2013.01); G05F 1/565 (2013.01); H03F 3/4565 (2013.01); H03F 3/45183 (2013.01); H03F 3/45488 (2013.01); H03F 3/45748 (2013.01); H03M 1/00 (2013.01); H03F 2200/453 (2013.01); H03F 2203/45008 (2013.01); H03F 2203/45418 (2013.01);
Abstract

An amplifier may include a differential pair circuit configured to generate an output signal according to a first input signal and a second input signal, a plurality of current sinks coupled between a ground terminal and the differential pair circuit, and a feedback circuit configured to sense a level of the output signal and generate a feedback signal. At least one of the plurality of current sinks is controlled according to the feedback signal.


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