ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,515, issued on July 14, was assigned to Apple Inc. (Cupertino, Calif.).
"Voltage reference circuit using differential feedback" was invented by Matthias Eberlein (Holzkirchen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A voltage reference circuit included in a computer system includes an asymmetric differential amplifier circuit that includes two metal-oxide semiconductor (MOS) transistors with different threshold voltages and different current densities. The voltage reference circuit also includes a driver circuit that generates, using a control signal, an output current that is used by a divider circuit to generate a reference voltage ...