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:
Nov. 19, 2019

Filed:

Aug. 31, 2018
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Abishek Manian, Santa Clara, CA (US);

Amit Rane, Santa Clara, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/58 (2006.01); H04L 25/02 (2006.01); H03K 19/0175 (2006.01); H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
H04B 1/586 (2013.01); H03K 19/017509 (2013.01); H04L 25/026 (2013.01); H03F 3/45076 (2013.01);
Abstract

A bidirectional data link includes a forward channel transmitter circuit and a forward channel receiver circuit. The forward channel transmitter circuit includes a forward channel driver circuit, and a back channel receiver circuit. The back channel receiver circuit is coupled to the forward channel driver circuit. The back channel receiver circuit includes a summation circuit and an active filter circuit. The summation circuit is coupled to the forward channel driver circuit. The active filter circuit is coupled to the summation circuit. The forward channel receiver circuit includes a forward channel receiver, and a back channel driver circuit. The back channel driver circuit is coupled to the forward channel receiver.


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