Hakan O Hemdal

Title: Hakan O Hemdal: Innovator in Active Filter Technology

Introduction

Hakan O Hemdal is a notable inventor based in Colorado Springs, CO (US). He has made significant contributions to the field of electronic circuit design, particularly in the development of active filter technology. His innovative approach has led to the creation of a unique patent that enhances circuit performance.

Latest Patents

Hakan O Hemdal holds a patent for a "Switchable Response Active Filter." This invention involves a switchable active filter circuit that utilizes a ground-based switch to direct a portion of a feedback current away from the virtual ground terminal of an operational amplifier. This design provides enhanced circuit Q and greater phase control at frequencies approaching an octave from the unity gain crossover frequency of the operational amplifier used to form the filter. The circuit features a switchable feedback tee that includes multiple capacitors and a switch, allowing for improved feedback current management. This filter topology is particularly well-suited for use in a multi-mode read/write channel of a tape storage system.

Career Highlights

Hakan O Hemdal is associated with Plasmon LMS, Inc., where he has applied his expertise in electronic circuit design. His work has contributed to advancements in the field, showcasing his ability to innovate and improve existing technologies.

Collaborations

Hakan has collaborated with Jeffrey M Brooke, working together to push the boundaries of electronic circuit design and innovation.

Conclusion

Hakan O Hemdal's contributions to active filter technology exemplify his innovative spirit and dedication to enhancing electronic circuit performance. His patent reflects a significant advancement in the field, demonstrating the impact of his work on modern technology.