US Patent Issued to TELEFONAKTIEBOLAGET LM ERICSSON on May 20 for "Power amplifier arrangement comprising Ruthroff transformer" (Swedish Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,799, issued on May 20, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).

"Power amplifier arrangement comprising Ruthroff transformer" was invented by Mingquan Bao (Vastra Frolunda, Sweden) and Sven Mattisson (Lomma, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a power amplifier arrangement for amplifying an input power signal to an output power signal. The power amplifier arrangement comprises a main amplifier having an input and an output. The power amplifier arrangement comprises at least one auxiliary amplifier, each having an input and an output. The power amplifier arrangement comprises a power divi...