Changming Wei

Title: **Changming Wei: Pioneering Innovations in Temperature Sensing and Clock Generation**

Introduction

Changming Wei, an accomplished inventor based in Shanghai, China, has made significant contributions to the fields of temperature sensing and clock generation. With a total of three patents to his name, his innovations reflect a deep understanding of electronic engineering and the challenges faced in these areas.

Latest Patents

Wei's most recent inventions include a **high accuracy temperature sensor** and a **multi-band clock generator with adaptive frequency calibration and enhanced frequency locking**.

The high accuracy temperature sensor addresses critical issues present in conventional bandgap reference temperature sensors. By generating a signal proportional to temperature from three samples, Wei's design effectively eliminates problems related to current density and parasitic resistance errors. The innovative approach utilizes the differences between samples to cancel out unwanted parasitic components, resulting in improved temperature accuracy and conversion gain.

His multi-band clock generator features an integrated phase-locked loop (PLL) that responds to first and second clock signals. This sophisticated device incorporates a multi-band voltage-controlled oscillator (VCO) that adjusts its frequency characteristics based on a multi-bit control word. Additionally, the adaptive frequency calibration circuit further enhances performance by locking the output clock signal generated by the VCO to a predefined frequency characteristic curve, ensuring stability and precision.

Career Highlights

Changming Wei is currently associated with Integrated Device Technology, Inc., where he applies his expertise in developing advanced electronic solutions. His work has established him as a key figure in the realm of sensor technology and clock generation, underscoring his innovative contributions to the industry.

Collaborations

Throughout his career, Wei has collaborated with talented colleagues, including Yu Zhang and Yonggang Chen. These partnerships have fostered a rich environment of creativity and innovation, enabling the collective development of groundbreaking technologies.

Conclusion

Changming Wei stands out as a leading inventor, exemplifying how innovative thinking can lead to meaningful advancements in technology. His recent patents in temperature sensing and clock generation not only address existing challenges but also pave the way for future innovations in the industry. As he continues to refine and develop his inventions, the impact of his work is likely to resonate widely across various applications in electronic engineering.