Edward W MacRobbie

Title: Edward W MacRobbie: Innovator in Differential Amplifiers and DC-DC Converters

Introduction

Edward W MacRobbie is an accomplished inventor based in Lake Forest, California, known for his contributions to engineering and technology. With a total of three patents to his name, MacRobbie specializes in advancements related to electronic systems and power supply efficiencies.

Latest Patents

MacRobbie's latest patents showcase his ingenuity and technical expertise. One notable invention is a **differential amplifier with improved offset cancellation**. This innovation features a floating current source connected to the drain terminals of the differential pair, which facilitates the cancellation of offset voltage without affecting the tail current. This design greatly enhances performance by ensuring that common-mode offset is not worsened by the injected current.

Another significant patent is the development of an **efficient, well-regulated DC-DC power supply up-converter for CMOS**. This on-board regulated voltage up-converter converts a first DC voltage from an electronic system to a second DC voltage for integrated devices. It includes a reference generator to establish a predetermined voltage at start-up, a voltage regulator to manage the first voltage, and a voltage multiplier to yield an output that aligns with the required second voltage. Feedback mechanisms ensure the output voltage is consistently adjusted, enhancing the overall efficiency of the electronic system.

Career Highlights

Edward W MacRobbie is currently associated with Rockwell International Corporation, where his work focuses on developing innovative electronic solutions. His extensive experience within the company has allowed him to contribute to significant advancements in technology.

Collaborations

Throughout his career, MacRobbie has worked alongside talented professionals such as Daryush Shamlou and Rajiv Gupta, collaborating on various projects aimed at improving electronic systems and power supplies. This teamwork has enhanced the creativity and effectiveness of his inventions and developments.

Conclusion

Edward W MacRobbie stands out as a prolific inventor in the realm of electronics. His contributions, particularly in the fields of differential amplifiers and DC-DC converters, underline his critical role in advancing technology. His patents not only reflect his expertise but also demonstrate his commitment to innovation, cementing his reputation as a leading figure in engineering.