{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9680668","patent":{"patent_number":"US-9680668","title":"Delay resilient decision feedback equalizer","assignee":null,"inventors":[],"filing_date":"2014-12-16T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L"],"num_claims":24,"abstract":"Described is an apparatus which comprises a decision feedback equalizer (DFE) having a first DFE tap path and non-first DFE tap paths, wherein the DFE includes a variable delay circuit in a signal path of the non-first DFE tap paths. In some embodiment, an apparatus is provided which comprises: a summer; a slicer to receive input from the summer; a first feedback loop to cancel a first post-cursor, the first feedback loop forming a loop by coupling the slicer to the summer; and a second feedback loop to cancel a second post-cursor, the second feedback loop forming a loop by coupling an input of the first feedback loop to the summer, wherein the second feedback loop having a programmable delay at its input."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Delay resilient decision feedback equalizer","description":"Described is an apparatus which comprises a decision feedback equalizer (DFE) having a first DFE tap path and non-first DFE tap paths, wherein the DFE includes a variable delay circuit in a signal pat","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9680668","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9680668","citation_suggestion":"Patentable. \"Delay resilient decision feedback equalizer\" (US-9680668). https://patentable.app/patents/US-9680668","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9680668","json":"https://patentable.app/api/llm-context/US-9680668","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:05:13.254Z"}