Qizhang Yin

Title: Qizhang Yin: Innovator in RF/Microwave Technology and Audio Amplification

Introduction

Qizhang Yin is a notable inventor based in San Jose, California. He has made significant contributions to the fields of RF/Microwave technology and audio amplification. With a total of two patents to his name, Yin's work showcases his expertise and innovative spirit.

Latest Patents

One of Qizhang Yin's latest patents is focused on wireless embedded test signal generation. This invention provides an RF/Microwave on-chip signal source designed for testing integrated circuits embedded in substrates. The signal source features an on-chip antenna that receives signals from external sources and includes a frequency divider circuit that converts various frequencies into an operating frequency for the integrated circuit. This innovation defines an on-chip test signal, enhancing the testing process for integrated circuits.

Another significant patent by Yin is a method and apparatus for high-performance class D audio amplifiers. This invention includes a modulator circuit that receives a PWM input signal and generates a control signal. The design incorporates a driver control circuit, a switching circuit, and a feedback circuit. The driver control circuit generates a drive signal for the switching circuit, compensating for noise and distortions in the PWM output signal by selecting between two pulse signals based on the control signal information.

Career Highlights

Qizhang Yin has worked with several prominent organizations throughout his career. He has been associated with Monolithic Power Systems, Inc., where he contributed to advancements in power management solutions. Additionally, he has worked with the University of Florida Research Foundation, Incorporated, furthering research and development in innovative technologies.

Collaborations

Yin has collaborated with notable professionals in his field, including Jeff Kotowski and William Richard Eisenstadt. These collaborations have likely enriched his work and contributed to the success of his inventions.

Conclusion

Qizhang Yin's contributions to RF/Microwave technology and audio amplification demonstrate his innovative capabilities and commitment to advancing technology. His patents reflect a deep understanding of complex systems and a drive to improve existing technologies.