US Patent Issued to International Business Machines on Nov. 25 for "Spur and image suppression in a radio frequency signal generator" (New York, Minnesota, Texas Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,278, issued on Nov. 25, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Spur and image suppression in a radio frequency signal generator" was invented by Sudipto Chakraborty (Plano, Texas), Pat Rosno (Rochester, Minn.), John Francis Bulzacchelli (Somers, N.Y.) and Daniel Ramirez (Rochester, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device comprises a radio frequency (RF) signal generator and a calibration system. The RF signal generator is configured to upconvert a baseband signal to an RF signal using first and second LO signals. The RF signal generator comprises first and second signal paths to process first and...