ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,224,725, issued on Feb. 11, was assigned to Qorvo US Inc. (Greensboro, N.C.).
"Lookup table calibration apparatus and method" was invented by Nadim Khlat (Cugnaux, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lookup table calibration apparatus and method are disclosed. The lookup table calibration apparatus includes a power amplifier circuit configured to amplify a radio frequency (RF) signal having time-variant power levels based on a modulated voltage. To ensure proper alignment between the modulated voltage and the time-variant power levels, the power amplifier circuit is further configured to phase-shift the RF signal based on a modulated...