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:
Nov. 30, 2021
Filed:
Apr. 28, 2020
Db Hitek Co., Ltd, Seoul, KR;
DB HiTek Co., Ltd., Seoul, KR;
Abstract
An output amplifier includes an input unit including first and second input transistors, and a first bias transistor between a connection node of a source of the first input transistor and a source of the second input transistor and a first voltage source, a first current mirror including first and second transistors connected in series at a first connection node and between a second voltage source and a second connection node, and third and fourth transistors connected in series at a third connection node and between the second voltage source and a fourth connection node, and a second current mirror including fifth and sixth transistors between a fifth connection node and the first voltage source and connected in series at a sixth connection node, and seventh and eighth transistors between a seventh connection node and the first voltage source.