Rolf Schaumann

Title: Rolf Schaumann: Innovator in High-Frequency Active Inductors

Introduction

Rolf Schaumann is a notable inventor based in Portland, OR (US). He has made significant contributions to the field of electronics, particularly in the development of high-frequency active inductors. His innovative work has led to the creation of a patent that showcases his expertise in semiconductor technology.

Latest Patents

Rolf Schaumann holds a patent for a "High-frequency active inductor." This invention involves an active inductor circuit implemented in sub-micron CMOS semiconductor technology, which is usable at gigaHertz frequencies. The circuit includes an input node, a non-inverting transconductor circuit comprising a differential pair of NMOS transistors connected to the input node, and an inverting transconductor circuit comprising an NMOS transistor connected to an output node of the non-inverting transconductor circuit. The design features a gyrator feedback configuration, with varactors coupled to the transconductor circuits to tune the frequency and Q of the active inductor circuit. This patent highlights Rolf's innovative approach to enhancing circuit performance.

Career Highlights

Rolf Schaumann is affiliated with Portland State University, where he contributes to research and development in the field of electronics. His work at the university allows him to engage with emerging technologies and mentor the next generation of engineers and inventors.

Collaborations

Rolf has collaborated with esteemed colleagues such as Haiqiao Xiao and W Robert Daasch. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Rolf Schaumann's contributions to the field of high-frequency active inductors demonstrate his commitment to advancing technology. His patent and work at Portland State University reflect his dedication to innovation in electronics.