US Patent 11699978 Doherty radio frequency amplifier circuitry
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US Patent 11699978 Doherty radio frequency amplifier circuitry
Article
Doherty radio frequency (RF) amplifier circuitry includes an input node, an output node, a main amplifier path, and a peaking amplifier path. The main amplifier path is coupled between the input node and the output node and includes a main amplifier. The peaking amplifier path is coupled in parallel with the main amplifier path between the input node and the output node, and includes a peaking amplifier and a peaking variable gain preamplifier between the input node and the peaking amplifier. The peaking variable gain preamplifier is configured to adjust a current provided to the peaking amplifier.
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Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
116999780
Date of Patent
July 11, 2023
0Patent Application Number
172281380
Date Filed
April 12, 2021
0Patent Citations
Patent Primary Examiner
CPC Code
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