US Patent Issued to Silicon Laboratories on July 7 for "DC offset calibration in an interdependent quadrature receiver" (Florida, Texas Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,580, issued on July 7, was assigned to Silicon Laboratories Inc. (Austin, Texas).

"DC offset calibration in an interdependent quadrature receiver" was invented by Christopher Calvo (Plantation, Fla.), Robert Gorday (Gainesville, Fla.) and Michael Wu (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, an apparatus includes: a low noise amplifier (LNA) to receive and amplify a radio frequency (RF) signal; a mixer coupled to the LNA to downconvert the RF signal to a second frequency signal; a quadrature transimpedance amplifier (TIA) to convert a current of the second frequency signal to a voltage signal, the quadrature TIA havi...