Company Filing History:
Years Active: 1982
Title: Innovations of Kul B Ohri in Voltage Reference Technology.
Introduction
Kul B Ohri is an accomplished inventor based in Carrollton, TX (US). He has made significant contributions to the field of electronics, particularly in the development of voltage reference technologies. His innovative approach has led to the creation of a unique patent that enhances the performance of voltage references in integrated circuits.
Latest Patents
Kul B Ohri holds a patent for a "Bandgap voltage reference employing sub-surface current using a standard." This invention utilizes subsurface currents that can be fabricated using a standard CMOS process. The design includes first and second vertical bipolar transistors with common collectors formed in an integrated circuit substrate. A first resistor connects the emitter of the first transistor to ground potential, while a second resistor connects the emitter of the second transistor to a reference node. A third resistor connects the reference node to ground. The differential amplifier in this design has a positive input connected to the reference node and a negative input connected to the first transistor emitter. The output of the differential amplifier is connected to the bases of the first and second transistors, providing the reference voltage output. In a preferred form, the output is buffered by a third transistor and coupled by a resistive divider to the first and second transistor bases, allowing the reference voltage to be selected at any scalar of the basic bandgap voltage.
Career Highlights
Kul B Ohri is associated with Mostek Corporation, where he has been instrumental in advancing voltage reference technologies. His work has been recognized for its innovative approach and practical applications in the electronics industry.
Collaborations
Kul B Ohri has collaborated with notable colleagues, including Michael J Caruso and David B Hildebrand. Their combined expertise has contributed to the successful development of advanced electronic solutions.
Conclusion
Kul B Ohri's contributions to voltage reference technology exemplify the spirit of innovation in the electronics field. His patent reflects a significant advancement that can enhance the performance of integrated circuits.