Dianjun Zhang

Title: Dianjun Zhang: Innovator in Class D Power Amplification

Introduction

Dianjun Zhang is a notable inventor based in Wuxi, China. He has made significant contributions to the field of audio signal processing, particularly in Class D power amplification systems. With a total of 2 patents, his work focuses on enhancing audio signal quality while minimizing power consumption.

Latest Patents

Dianjun Zhang's latest patents include a Class D power amplification modulation system for self-adaptive adjustment of audio signals. This innovative system comprises an amplification circuit module, a pulse width modulation (PWM) circuit module, a frequency detection circuit module, a carrier generator module, an amplitude detection circuit module, a direct current (DC) potential adjustment module, and a drive circuit module. The design aims to improve the characteristics of the circuit in both the signal time domain and frequency by controlling the amplitude and frequency of the audio signal simultaneously. This approach minimizes power consumption for signals with varying amplitudes and frequencies while enhancing electromagnetic interference (EMI) performance.

Another significant patent is a circuit structure for achieving adaptive functions in Class D audio power amplifier circuits. This structure includes an operational amplifier, a pulse width modulator, and a driver stage that are connected in series. The design features feedback loops and various adaptive circuits, such as carrier adaptive, frequency adaptive, driver adaptive, and temperature adaptive circuits, to optimize performance.

Career Highlights

Dianjun Zhang has worked with reputable companies, including Wuxi China Resources Semico Co., Ltd. and Crm Icbg (Wuxi) Co. Ltd. His experience in these organizations has contributed to his expertise in audio technology and circuit design.

Collaborations

Throughout his career, Dianjun Zhang has collaborated with talented individuals, including Yongkang Lv and Linjun Wei. These partnerships have fostered innovation and development in his projects.

Conclusion

Dianjun Zhang is a prominent figure in the field of audio signal processing, with a focus on Class D power amplification systems. His innovative patents and career achievements highlight his commitment to advancing technology in this area.