Robert J Libert

Title: The Innovations of Robert J Libert

Introduction

Robert J Libert is a notable inventor based in Rowley, MA (US), recognized for his contributions to the field of electronics. He holds a total of 4 patents, showcasing his innovative spirit and technical expertise. His work primarily focuses on voltage compensation circuits and CMOS technology, which are essential in modern electronic devices.

Latest Patents

One of Libert's latest patents is the "Input common mode voltage compensation circuit." This invention involves a voltage level shifter that allows for direct coupling of an external voltage source to a common mode of a circuit. The design includes an amplifier, a voltage-controlled current source, and two resistors. The amplifier's first input connects to the common mode, while the second input receives a voltage indicative of the external voltage source through the resistors. The output indicates the voltage difference between the inputs, and the current source adjusts to minimize this difference.

Another significant patent is the "CMOS voltage reference with stacked base-to-emitter voltages." This invention is a band-gap voltage reference that forms part of a CMOS integrated circuit chip. It utilizes stacked pairs of parasitic bipolar transistors, which operate at different current densities to develop a .DELTA.V.sub.BE voltage. MOS buffer transistors are connected at the ends of the stacks, and the bipolar transistors are driven by MOS current sources, enhancing the performance of the voltage reference.

Career Highlights

Robert J Libert is currently employed at Analog Devices, Inc., a leading company in the semiconductor industry. His role involves developing innovative solutions that enhance electronic performance and reliability. His patents reflect his commitment to advancing technology and improving electronic systems.

Collaborations

Throughout his career, Libert has collaborated with talented individuals such as Apparajan Ganesan and Moshe Gerstenhaber. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Robert J Libert's contributions to the field of electronics through his patents demonstrate his innovative capabilities and dedication to advancing technology. His work continues to influence the design and functionality of electronic devices, making a significant impact in the industry.