James P Ballantyne

Title: The Innovations of James P. Ballantyne

Introduction

James P. Ballantyne is a notable inventor based in Wyomissing Hills, Pennsylvania. He is recognized for his contributions to the field of integrated circuit technology. His work has significantly impacted the development of active filter circuits.

Latest Patents

James P. Ballantyne holds a patent for an "Integrated CRC filter circuit." This invention describes a capacitor-resistor-capacitor (CRC) element for active filter realization, which is fully integrable and compatible with MOS technology. The patent details the incorporation of the CRC element in a semiconductor integrated circuit active filter. The structure of the CRC filter element is closely analogous to a depletion mode MOS field effect device. However, the doping level is such as to enable the use of the channel zone as a semiconductor resistance element. The N-channel CRC element realized in the NMOS technology comprises a first capacitance composed of the gate, gate dielectric, and resistive channel, paralleled by the resistive channel itself constituting a resistor. An active low-pass filter consists of two CRC elements and an operational amplifier, utilizing the positive feedback principle.

Career Highlights

James P. Ballantyne has made significant strides in his career, particularly during his time at Bell Telephone Laboratories. His work has contributed to advancements in semiconductor technology and integrated circuits.

Collaborations

Throughout his career, Ballantyne has collaborated with notable colleagues, including Paul E. Fleischer and Kenneth R. Laker. These collaborations have furthered the development of innovative technologies in the field.

Conclusion

James P. Ballantyne's contributions to integrated circuit technology and his innovative patent for the Integrated CRC filter circuit highlight his importance as an inventor. His work continues to influence the field of electronics and semiconductor technology.