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:
Jan. 26, 2021
Filed:
Jun. 19, 2019
Db Hitek Co., Ltd., Seoul, KR;
Dong Gwi Choi, Seoul, KR;
Mun Gyu Kim, Seoul, KR;
DB HiTek Co., Ltd., Seoul, KR;
Abstract
A half-power buffer amplifier is disclosed. The amplifier includes an amplification unit configured to differentially amplify differential input signals, the amplification unit including nodes configured to output differentially amplified first to fourth output signals, a first output buffer unit including first and second transistors, and an output node to which the first and second transistors are connected, a second output buffer unit including third and fourth transistors, wherein the third and fourth transistors are connected to the output node, a first control switch between the first output node and the second transistor and controlled by a polarity control signal, and a second control switch between the second output node and the third transistor and controlled by a complement of the polarity control signal.