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:
Dec. 23, 2014
Filed:
Jun. 01, 2012
Pier A. Francese, Adliswil, CH;
Christian I. Menolfi, Langnau am Albis, CH;
Thomas H. Toifl, Zurich, CH;
Pier A. Francese, Adliswil, CH;
Christian I. Menolfi, Langnau am Albis, CH;
Thomas H. Toifl, Zurich, CH;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A decision feedback equalizer (DFE) slice for a receiver includes a plurality of non-speculative DFE taps; and 3 speculative DFE taps, wherein the 3 speculative DFE taps comprise first and second multiplexer stages, each of the first and second multiplexer stages including 4 comparator latches, each of the 4 comparator latches having a programmable offset; and a multiplexer that receives 4 comparator latch outputs from the 4 comparator latches and outputs a multiplexer stage output, wherein the multiplexer is controlled by previous symbol decisions dand d; and wherein the 3 speculative taps further comprise a 2:1 decision multiplexer stage that receives the multiplexer stage outputs of the first and second multiplexer stages and is controlled by a previous symbol decision dto output a slice output signal d.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile