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:
Oct. 16, 2012
Filed:
Jun. 30, 2011
Joseph Aziz, Irvine, CA (US);
Andrew Chen, Redondo Beach, CA (US);
Derek Tam, Irvine, CA (US);
Ark-chew Wong, Irvine, CA (US);
Agnes Neves Woo, Encino, CA (US);
Marcel Lugthart, Aliso Viejo, CA (US);
Joseph Aziz, Irvine, CA (US);
Andrew Chen, Redondo Beach, CA (US);
Derek Tam, Irvine, CA (US);
Ark-Chew Wong, Irvine, CA (US);
Agnes Neves Woo, Encino, CA (US);
Marcel Lugthart, Aliso Viejo, CA (US);
Broadcom Corporation, Irvine, CA (US);
Abstract
According to one exemplary embodiment, an active termination circuit includes at least one active termination branch, where the at least one active termination branch includes at least one transistor for providing an active termination output. The at least one active termination branch further includes an amplifier driving the at least one transistor, where the amplifier has a non-inverting input coupled to the active termination output via a feedback network. The amplifier controls a current flowing through the at least one transistor so as to provide the active termination output. The active termination output can be provided at a drain of the at least one transistor, where a source of the at least one transistor is coupled to ground through a degeneration transistor and a tail current sink.