US Patent Issued to NTT on Aug. 25 for "Mixer circuit" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,519, issued on Aug. 25, was assigned to NTT INC. (Tokyo).

"Mixer circuit" was invented by Teruo Jo (Tokyo), Daisuke Kitayama (Tokyo), Hiroyuki Takahashi (Tokyo) and Takeshi Sakamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The mixer circuit includes a mixer, an LO matching circuit inserted between an LO signal terminal and a first terminal of the mixer, an IF matching circuit inserted between the IF signal terminal and a second terminal of the mixer, and an RF matching circuit inserted between an RF signal terminal and a third terminal of the mixer. In the RF matching circuit, a reflection characteristic is set such that a minimum value...