US Patent Issued to VIAVI SOLUTIONS on Feb. 24 for "Automatic attenuation of analog-digital-converter (ADC) input signal based on error vector magnitude (EVM) performance" (South Korean Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,825, issued on Feb. 24, was assigned to VIAVI SOLUTIONS INC. (Chandler, Ariz.).

"Automatic attenuation of analog-digital-converter (ADC) input signal based on error vector magnitude (EVM) performance" was invented by Bon-Jin Ku (Seoul, South Korea), Seung-Gon Hong (Incheon, South Korea) and Chang-Hyun Park (Goyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radio frequency (RF) test device such as a spectrum analyzer may include an RF attenuator to attenuate a received RF signal; a mixer to down-convert the attenuated RF signal; an IF attenuator to attenuate the down-converted signal; an analog-to-digital converter (ADC) to digi...