Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael John Mitzen0
Jung Hee Lee0
Douglas M. Johnson0
Guillaume Alexandre Blin0
Attila Kalamar0
Weize Xu0
Date of Patent
February 27, 2024
0Patent Application Number
176598700
Date Filed
April 20, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
Examples provide methods and apparatus for controlling a DC bias current in an RF amplifier. In one example where the RF amplifier is implemented on an amplifier die, a reference voltage is produced across a reference resistor implemented on the amplifier die, the DC bias current is measured, and a current controller, which is implemented on a controller die that is separate from the amplifier die, operates a feedback loop using the reference voltage to control a level of the DC bias current.
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