Company Filing History:
Years Active: 2002
Title: **Zhao Ruiyan: Innovator in Voltage Controlled Oscillators**
Introduction
Zhao Ruiyan is a prominent inventor based in Singapore, renowned for his innovative contributions to the field of electronics. With a focus on developing advanced signal generation technologies, he has secured a patent that reflects his expertise and forward-thinking approach.
Latest Patents
Zhao's singular patent is for a **Wide-band/multi-band voltage controlled oscillator**. This invention introduces a variable frequency signal generator that offers wide-band and multi-band frequency output through two control voltage inputs. The technology utilizes a pair of LC oscillator circuits that are interconnected via a transconductance control circuit, allowing for quadrature output signals. The innovation includes MOSFET varactors controlled by the first voltage input to toggle between inversion and depletion operating modes, thereby enabling the oscillator to produce output frequencies ranging from 850 MHz to 2.4 GHz with low phase noise and favorable harmonic content.
Career Highlights
Zhao Ruiyan is affiliated with Chartered Semiconductor Manufacturing Ltd, where he utilizes his technical skills and creativity to enhance the company's product offerings. His work involves experimenting with cutting-edge technologies and refining existing ones to deliver reliable electronic solutions. His invention has potential implications in various applications, from telecommunications to consumer electronics.
Collaborations
Throughout his career, Zhao has collaborated with talented professionals such as Do Manh Anh and Ma Jian-Guo. Their combined expertise fosters a collaborative environment that encourages innovative problem-solving and the development of groundbreaking technologies.
Conclusion
Zhao Ruiyan is a notable figure in the realm of electronics innovation, and his work on the voltage controlled oscillator showcases his ability to blend creativity with technical skill. As technology advances, his contributions are likely to influence future developments in the industry, reinforcing the importance of innovation in driving technological progress.