Yi-Hwa Chang

Title: Yi-Hwa Chang: Innovator in Signal Processing Technology

Introduction

Yi-Hwa Chang is a notable inventor based in Hsin-Chu Hsien, Taiwan. He has made significant contributions to the field of signal processing, holding a total of 2 patents. His work focuses on enhancing the efficiency and performance of electronic circuits.

Latest Patents

One of Yi-Hwa Chang's latest patents is the "Power gating circuit of a signal processing system." This invention includes a low dropout linear regulator, a control circuit, and an output circuit. The low dropout linear regulator consists of a first transistor, an operational amplifier, a first resistor, a second resistor, and an output end. The output circuit features a fourth transistor and a step-down circuit, while the control circuit manages the output voltage based on a control signal.

Another significant patent is the "High speed voltage level shifter." This device is designed for circuitry with core circuits operating at very low supply voltages. It includes a boost circuit that generates a boosted signal in response to a non-inverted input signal, and a voltage shifting stage that produces an output signal based on an inverted input signal and the boosted signal. The boost circuit translates the boosted signal into a middle voltage level when the non-inverted input signal is at logic '0'. The voltage shifting stage provides a high voltage level output signal when both the inverted input signal and the boosted signal are at logic '0'.

Career Highlights

Yi-Hwa Chang is currently employed at Faraday Technology Corporation, where he continues to innovate in the field of signal processing. His work has been instrumental in developing advanced technologies that improve electronic circuit performance.

Collaborations

Throughout his career, Yi-Hwa Chang has collaborated with talented individuals such as Hung-Yi Chang and Jeng-Huang Wu. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Yi-Hwa Chang is a prominent inventor whose work in signal processing technology has led to valuable patents and innovations. His contributions continue to influence the development of efficient electronic circuits.