ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,579, issued on July 7, was assigned to Infineon Technologies Americas Corp. (El Segundo, Calif.).
"Crystal oscillators including a two stage amplifier" was invented by Nandakishore Raimar (Bangalore, India) and Blessy Mathew (Ernakulam, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crystal oscillator includes a two stage amplifier and a crystal. The two stage amplifier includes a transconductance amplifier stage electrically connected to a class AB output amplifier stage with open loop drive level control. The two stage amplifier provides a negative resistance. The crystal is electrically connected between an input of the two stage amplifier...