ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,755,754, issued on Oct. 6, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).
"Data storage device with BiCMOS impedance-matched amplifier with transducer-bias" was invented by John T. Contreras (Palo Alto, Calif.), Jagdip Singh (The Hague, Netherlands) and Joey M. Poss (Rochester, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An amplifier for a data storage device is configured with a BiCMOS impedance-matched topology with transducer bias to amplify a differential input signal generated by a read transducer. Input nodes defined by bases of a first pair of BJTs receive the input signal, which is amplified using a second pair of ...