Nai-Chen Cheng

Title: Innovations of Nai-Chen Cheng

Introduction

Nai-Chen Cheng is a prominent inventor based in Changhua County, Taiwan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced circuits and systems. With a total of 6 patents to his name, Cheng's work has had a notable impact on technology.

Latest Patents

Cheng's latest patents include a capacitance phase interpolation circuit and method thereof, as well as a multi-phase generator applying the same. The capacitance phase interpolation circuit features a first capacitance phase interpolation unit and a second capacitance phase interpolation unit. The first unit includes a first capacitance group, where multiple capacitors are arranged in a ring coupling, receiving several reference clock signals. The second unit is coupled to the first and also contains a second capacitance group, similarly arranged, allowing for output clock signals obtained through phase interpolation on all reference clock signals.

Another significant patent is the current reuse frequency divider and method thereof, along with a voltage control oscillator module and phase-locked loop using the same. This invention includes a first latch circuit and a second latch circuit. The first latch circuit comprises a first and second transistor pair, receiving a first differential oscillation signal to generate a second differential oscillation signal. The second latch circuit, coupled to the first, includes a third and fourth transistor pair, which also processes the first differential oscillation signal to produce a third differential oscillation signal.

Career Highlights

Nai-Chen Cheng is affiliated with the Industrial Technology Research Institute, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of electronic systems and circuits.

Collaborations

Cheng has collaborated with notable colleagues, including Yu Chi Lee and Ching-Yuan Yang, contributing to various projects and research initiatives.

Conclusion

Nai-Chen Cheng's contributions to electrical engineering through his patents and collaborations highlight his role as a leading inventor in the field. His innovative work continues to influence technology and inspire future advancements.