{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10469121","patent":{"patent_number":"US-10469121","title":"Non-linear shunt circuit for third order harmonic reduction in RF switches","assignee":null,"inventors":[],"filing_date":"2017-09-20T00:00:00.000Z","publication_date":"2019-11-05T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B"],"num_claims":4,"abstract":"A non-linear shunt circuit is coupled in a shunt-type configuration (e.g., parallel to an RF switch shunt branch) between a main signal line and ground in an RF circuit, and includes a harmonic cancellation element (HCE) (e.g., back-to-back diodes or diode-connected FETs) configured to cancel third harmonics generated on the main signal line by operation of an RF switch. The RF switch includes a series branch made up of multiple FETs coupled in series in the main signal line between a transmitter/receiver circuit and an antenna. The HCE is coupled to the main signal line either by way of a mid-point node or an input/output terminal of the RF switch's series branch. The non-linear shunt circuit also includes optional protection circuits that provide frequency-independent impedance through the HCE. Various techniques (e.g., active biasing) are optionally utilized to increase effectiveness to a wider range of the switch input power levels."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Non-linear shunt circuit for third order harmonic reduction in RF switches","description":"A non-linear shunt circuit is coupled in a shunt-type configuration (e.g., parallel to an RF switch shunt branch) between a main signal line and ground in an RF circuit, and includes a harmonic cancel","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10469121","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-10469121","citation_suggestion":"Patentable. \"Non-linear shunt circuit for third order harmonic reduction in RF switches\" (US-10469121). https://patentable.app/patents/US-10469121","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10469121","json":"https://patentable.app/api/llm-context/US-10469121","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:04:18.675Z"}