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:
Aug. 11, 2015
Filed:
Feb. 19, 2013
Realtek Semiconductor Corp., Hsinchu, TW;
Shan-Chih Tsou, Hsinchu, TW;
REALTEK SEMICONDUCTOR CORP., Hsinchu, TW;
Abstract
An Ethernet communication circuit includes: a current source; a first transistor coupled between a first node and a third node, and having a control terminal coupled with a first signal pin; a second transistor coupled between the first node and a fourth node, and having a control terminal coupled with a second signal pin; a third transistor coupled between a second node and the fourth node, and having a control terminal coupled with a third signal pin; a fourth transistor coupled between the second node and the third node, and having a control terminal coupled with a fourth signal pin; a first switch coupled between the third node and the current source; a second switch coupled between the fourth node and the current source; and a transconductance circuit for generating an output voltage according to the current passing through the first node and the current passing through the second node.