Junning Jiang

Title: Junning Jiang: Innovator in Power Amplifier Technology

Introduction

Junning Jiang is a notable inventor based in College Station, TX (US). He has made significant contributions to the field of power amplifier technology, particularly in the area of timing mismatch calibration.

Latest Patents

Junning Jiang holds a patent titled "Methods and apparatus for online timing mismatch calibration for polar and segmented power amplifiers." This invention includes an apparatus and methods for addressing timing mismatch in a power amplifier. It features a segmented power amplifier with two-path timing mismatch calibration aimed at improving ACLR performance across various signal transitions, process, voltage, and temperature (PVT) variations, as well as device aging. The patent also describes a fast and efficient algorithm for measuring and calibrating the delay of two paths: the signal path and the control path. Additionally, it incorporates a signal magnitude variation detection circuit, such as a flash ADC, which enhances the performance of comparators for RF signal processing while minimizing delay. The method for selecting the threshold voltage of the magnitude variation detection circuit is based on the status of the signals and adheres to orthogonal frequency-division multiplexing (OFDM) related standards.

Career Highlights

Junning Jiang is currently employed at Vidatronic, Inc., where he continues to innovate in the field of power amplifiers. His work has been instrumental in advancing the technology used in modern communication systems.

Collaborations

Junning has collaborated with notable colleagues, including Jose Silva-Martinez and He Hu, who have contributed to his research and development efforts.

Conclusion

Junning Jiang's contributions to power amplifier technology through his innovative patent demonstrate his expertise and commitment to advancing the field. His work at Vidatronic, Inc. continues to influence the future of communication technology.