Tianlin Cao

Title: Innovations of Tianlin Cao

Introduction

Tianlin Cao is a notable inventor based in Hangzhou, China. He has made significant contributions to the field of electrical engineering, particularly in the design of operational amplifier circuits and current mirror circuits. With a total of 3 patents to his name, his work reflects a commitment to advancing technology in practical applications.

Latest Patents

Cao's latest patents include a fully-differential two-stage operational amplifier circuit. This circuit features a first-stage amplification circuit, a second-stage amplification circuit, a common-mode signal acquisition circuit, a common-mode feedback circuit, and a bias circuit. The first-stage amplification circuit employs a telescopic structure to receive differential input signals, while the second-stage amplification circuit utilizes a common-source structure to output differential signals. Additionally, the common-mode signal acquisition circuit processes the output signals to provide a common-mode signal, ensuring accurate feedback and biasing.

Another significant patent is the accurate current mirror circuit designed for low voltage headroom applications in laser drivers. This invention includes a reference current detection unit, a tail current source unit, and a control unit. The reference current detection unit generates a bias voltage and a reference voltage based on a reference current. The tail current source unit then uses this bias voltage to produce a mirror current, while the control unit regulates the bias voltage to maintain accuracy in current output, addressing challenges associated with low voltage environments.

Career Highlights

Tianlin Cao is currently employed at Ampliphy Technologies Limited, where he continues to innovate and develop advanced electronic solutions. His work has positioned him as a key figure in the field, contributing to the company's reputation for cutting-edge technology.

Collaborations

Cao collaborates with talented colleagues, including Hehong Zou and Jie Lou, who contribute to the innovative environment at Ampliphy Technologies Limited. Their teamwork fosters a culture of creativity and technical excellence.

Conclusion

Tianlin Cao's contributions to electrical engineering through his patents and work at Ampliphy Technologies Limited highlight his role as an influential inventor. His innovative designs in operational amplifiers and current mirror circuits demonstrate his commitment to advancing technology in meaningful ways.