ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,728, issued on March 31, was assigned to Apple Inc. (Cupertino, Calif.).
"Digital-to-analog converter with localized frequency multiplication circuits" was invented by Antonio Passamani (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "The current disclosure is related to digital-to-analog converters (DACs) with localized frequency multiplication circuits. For example, an electronic device may include a local oscillator (LO) providing clock signals, a digital front-end providing digital signals, a DAC, (e.g., a radio frequency DAC (RFDAC)), and one or more antennas. The DAC may include a number of cells (e.g., unit power amplifiers). Moreover,...