John A Schoeff

Title: **The Innovations of John A Schoeff: A Pioneer in Digital Signal Conversion**

Introduction

John A Schoeff, an inventive mind located in Los Gatos, CA, is renowned for his significant contributions to technology with a total of five patents to his name. His work primarily focuses on advancements in digital-to-analog conversion, which have paved the way for improved signal processing in various electronic devices.

Latest Patents

Among his latest innovations, one notable patent is the **Monolithic Digital-to-Analog Converter**. This invention is designed to convert a series of digital binary numbers into an analog signal, where the amplitude of the signal is proportionate to the values of the binary input. The embodiment of this invention features a segment generator that processes the most significant digits of the binary numbers, producing a first signal proportional to their values. A step generator complements this by processing the lesser significant digits, yielding a second signal which, when combined with the first signal, forms the desired analog output.

Another significant patent is the **Selectable Trimming Circuit for Use With a Digital to Analog Converter**. In this patent, the outputs of individual stages in a digital-to-analog converter are fine-tuned through independent trimming circuitry. This includes transistors with scaled physical dimensions based on the desired current flow, and selectable switches that allow for correction of the stage output with a trimming current of a predefined magnitude. The invention optimizes trimming accuracy while managing the space occupied by the circuitry, utilizing a combination of emitter-scaled and multicollector transistors.

Career Highlights

John Schoeff has had a notable career, contributing to significant advancements while working for respected companies in the tech industry. He has been associated with **Precision Monolithics, Inc.** and **Advanced Micro Devices Corporation**, both of which have been instrumental in the evolution of electronic components and systems.

Collaborations

Throughout his career, Schoeff has collaborated with esteemed professionals in the field, including Donald T Comer and Daniel J Dooley. These partnerships have fostered an environment of innovation and creativity, driving further advancements in the technology sector.

Conclusion

John A Schoeff's contributions to the field of digital-to-analog conversion demonstrate his exceptional talent and dedication to innovation. His patented technologies have not only improved signal processing but have also established a framework for future developments in electronic engineering. As an inventor, Schoeff continues to inspire future generations in the realm of technology and invention.