ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,138, issued on Oct. 14, was assigned to Anritsu Co. (Morgan Hill, Calif.).
"Frequency synthesizers having low phase noise" was invented by Oleksandr Chenakin (Morgan Hill, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Frequency synthesizers having reduced phase noise and a small step size. One example can provide frequency synthesizers having low phase noise by eliminating dividers in a feedback path and instead employing frequency converters, such as mixers. Step size can be further reduced by providing frequency converters in a reference signal feedforward path. Acquisition time can be decreased by employing a fast-acquisition phase-locked...