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.
Patent No.:
Date of Patent:
Sep. 06, 2016
Filed:
Aug. 03, 2015
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventor:
Si-Wook Yoo, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 (2006.01); H03M 1/06 (2006.01); H03F 3/45 (2006.01); H03K 5/24 (2006.01); H03M 1/34 (2006.01);
U.S. Cl.
CPC ...
H03M 1/0612 (2013.01); H03F 3/45179 (2013.01); H03K 5/2481 (2013.01); H03M 1/1245 (2013.01); H03M 1/34 (2013.01); H03F 2200/312 (2013.01);
Abstract
A preamplifier may include: a common active load suitable for providing output impedance; an output polarity changing unit suitable for changing an output polarity of output nodes; a multi-differential input stage suitable for receiving an input voltage, a coarse ramping voltage, a fine ramping voltage and a common mode voltage, and sampling the common mode voltage and the coarse ramping voltage for amplification operations; and a coupling blocking unit suitable for blocking a coupling between the output nodes and input nodes that are included in the multi-differential input stage.