US Patent Issued to Huawei Technologies'Co., 'Ltd.' on Jan. 28 for "Operational amplifier and start-up circuit of operational amplifier" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,283, issued on Jan. 28, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Operational amplifier and start-up circuit of operational amplifier" was invented by Yongchang Yu (Shanghai), Min Yi (Shanghai) and Weinan Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides an operational amplifier and a start-up circuit of the operational amplifier. The start-up circuit has the advantages of having a simple structure and consuming less. The operational amplifier includes a multi-stage amplifier and a start-up circuit, where the start-up circuit includes a first start-up transistor and a second start-up transi...