{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11271599","patent":{"patent_number":"US-11271599","title":"Envelope tracking system having fast transition time for a radio frequency (RF) amplifier","assignee":null,"inventors":[],"filing_date":"2020-12-17T00:00:00.000Z","publication_date":"2022-03-08T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B"],"num_claims":26,"abstract":"An envelope tracking system includes an envelope signal generator, a supply modulator coupled to the envelope signal generator, the supply modulator comprising a switching regulator path configured to provide an output voltage at an output node to a power amplifier when in an average power tracking (APT) mode, the switching regulator path configured to operate together with a linear path to provide the output voltage at the output node to the power amplifier when in an envelope tracking (ET) mode, a capacitor having a first and second terminal, the first terminal coupled to ground, a switch coupled between the output node and the second terminal of the capacitor, the switch being configured to selectively disconnect the capacitor from the output node, and a circuit coupled between the output node and the second terminal of the capacitor, the circuit comprising a bi-directional current-limiting switch, the circuit configured to charge or discharge the capacitor such that a voltage across the capacitor changes from a first voltage to a second voltage."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Envelope tracking system having fast transition time for a radio frequency (RF) amplifier","description":"An envelope tracking system includes an envelope signal generator, a supply modulator coupled to the envelope signal generator, the supply modulator comprising a switching regulator path configured to","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11271599","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-11271599","citation_suggestion":"Patentable. \"Envelope tracking system having fast transition time for a radio frequency (RF) amplifier\" (US-11271599). https://patentable.app/patents/US-11271599","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11271599","json":"https://patentable.app/api/llm-context/US-11271599","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:45:36.757Z"}