ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,859, issued on March 3, was assigned to MACOM Technology Solutions Holdings Inc. (Lowell, Mass.).

"Silicon carbide based integrated passive devices for impedence matching of radio frequency power devices and process of implementing the same" was invented by Haedong Jang (San Jose, Calif.), Marvin Marbell (Cary, N.C.) and Jeremy Fisher (Raleigh, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An amplifier circuit that includes an RF amplifier; an impedance matching network; a higher order harmonic termination circuit; a fundamental frequency matching circuit; and an integrated passive device (IPD) that includes a silicon carbide (SiC) substrate. ...