ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,743, issued on Dec. 9, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).
"Power amplifier with variable bias impedance" was invented by Philip John Lehtola (Cedar Rapids, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods including variable power amplifier bias impedance are disclosed. In one aspect, there is provided a power amplifier system including a bias circuit configured to receive a bias voltage and generate a bias signal and a power amplifier stage configured to receive an input radio frequency (RF) signal and generate an output RF signal. The power amplifier system may also include a bias impedance component ope...