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.

Date of Patent:
Jan. 02, 2024

Filed:

Jul. 21, 2022
Applicant:

Synopsys, Inc., Sunnyvale, CA (US);

Inventors:

Jayesh Wadekar, Maharashtra, IN;

Jairaj Naik K R, Karnataka, IN;

Atul Kabra, Maharashtra, IN;

Assignee:

SYNOPSYS, INC., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/01 (2006.01); H03K 17/687 (2006.01); H04L 25/03 (2006.01); H04B 1/04 (2006.01); H04B 1/16 (2006.01);
U.S. Cl.
CPC ...
H03K 17/6872 (2013.01); H03K 17/6874 (2013.01); H04B 1/04 (2013.01); H04B 1/16 (2013.01); H04L 25/03343 (2013.01);
Abstract

An equalizer circuit includes: a main stage circuit including: a main stage differential pair; and a main stage degeneration resistance; a replica stage circuit including: a replica stage differential pair matching the main stage differential pair; and a replica stage degeneration resistance matching the main stage degeneration resistance and disconnected from the replica stage differential pair; equalizer inputs connected to: gate electrodes of the main stage differential pair; and gate electrodes of the replica stage differential pair; and equalizer outputs connected to: a main stage positive output and a main stage negative output connected to drain electrodes of the main stage differential pair; and a replica stage positive output and a replica stage negative output connected to drain electrodes of the replica stage differential pair, the replica stage positive output connected to the main stage negative output and the replica stage negative output connected to the main stage positive output.


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