ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,200, issued on May 13, was assigned to QUALCOMM Inc. (San Diego).

"Balun having asymmetric inductors and adjustable impedance transformation ratio" was invented by Foad Arfaei Malekzadeh (San Diego), Jorge Garcia (San Diego) and Jeremy Darren Dunworth (La Jolla, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A balun circuit includes a first transformer comprising a first inductor and a second inductor, the first inductor having an electrical value different than the second inductor, a second transformer comprising a third inductor and a fourth inductor, the third inductor having an electrical value different than the fourth inductor, the firs...