ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,084, issued on April 29, was assigned to Texas Instruments Inc. (Dallas).
"High tolerance variable gain amplifiers" was invented by Masahiro Yoshioka (Allen, Texas), Gabriel Hernandez De La Cruz (Richardson, Texas) and Lawrence Cotton (Allen, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Examples of amplifier circuitry regulate a transconductance value (Gm) of operational transconductance amplifiers (OTAs) in the amplifier to be approximately the same, which value is based on a supply voltage and a reference voltage applied to a reference OTA and the internal resistance of the reference OTA. The reference OTA generates an output current based ...