{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9780891","patent":{"patent_number":"US-9780891","title":"Method and device for calibrating IQ imbalance and DC offset of RF tranceiver","assignee":null,"inventors":[],"filing_date":"2016-08-05T00:00:00.000Z","publication_date":"2017-10-03T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B"],"num_claims":10,"abstract":"A method and device for calibrating a DC offset and an I-Q imbalance component of an RF transceiver, the method including inputting a test signal into a transmitter, and converting the test signal into an analogue test signal; converting the analogue test signal using a transmitting mixer; sub-sampling a signal output from the transmitting mixer; and computing a DC offset calibrating constant number and an I-Q imbalance calibrating constant number from a sub-sampled signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for calibrating IQ imbalance and DC offset of RF tranceiver","description":"A method and device for calibrating a DC offset and an I-Q imbalance component of an RF transceiver, the method including inputting a test signal into a transmitter, and converting the test signal int","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9780891","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-9780891","citation_suggestion":"Patentable. \"Method and device for calibrating IQ imbalance and DC offset of RF tranceiver\" (US-9780891). https://patentable.app/patents/US-9780891","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9780891","json":"https://patentable.app/api/llm-context/US-9780891","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:39:44.994Z"}