{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9722820","patent":{"patent_number":"US-9722820","title":"Calibration technique for a tap value in decision feedback equalizers","assignee":null,"inventors":[],"filing_date":"2016-06-27T00:00:00.000Z","publication_date":"2017-08-01T00:00:00.000Z","cpc_codes":["H04L"],"num_claims":20,"abstract":"A method of calibrating coefficients of a calibrated decision feedback equalizer (DFE) across a process, voltage, and temperature (PVT) range, the calibrated DFE comprising a plurality of DFE taps for reducing distortions of an input signal, and a sampler for sampling the input signal, the method including applying a preset voltage to an input of the calibrated DFE, setting a DFE tap of the plurality of DFE taps to a maximum value, generating a source reference, via a source reference calibrator, to apply to the DFE tap, changing the source reference to a first level that causes an output of the sampler to transition from a first state to a second state, determining the first level as a calibrated source reference, and applying the calibrated source reference to the DFE tap during normal operation of the calibrated DFE."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Calibration technique for a tap value in decision feedback equalizers","description":"A method of calibrating coefficients of a calibrated decision feedback equalizer (DFE) across a process, voltage, and temperature (PVT) range, the calibrated DFE comprising a plurality of DFE taps for","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9722820","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-9722820","citation_suggestion":"Patentable. \"Calibration technique for a tap value in decision feedback equalizers\" (US-9722820). https://patentable.app/patents/US-9722820","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9722820","json":"https://patentable.app/api/llm-context/US-9722820","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:35:31.045Z"}