ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,496, issued on Sept. 22, was assigned to Qorvo US Inc. (Greensboro, N.C.).
"Thermal droop compensation in power amplifiers" was invented by John Bellantoni (San Jose, Calif.), Michael Kevin O'Neal (Saratoga, Calif.) and Charles Page (Los Gatos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for thermal droop compensation in power amplifiers are disclosed. In one aspect, a droop compensation circuit is added to a temperature-sensitive active bias circuit in a power amplifier chain. The droop compensation circuit relies on current mirroring to draw a trigger current that may be used by a correction circuit to create an addi...