Derek L Tattersall, Jr

Title: Innovations of Derek L Tattersall, Jr.

Introduction

Derek L Tattersall, Jr. is an accomplished inventor based in Palatine, IL (US). He has made significant contributions to the field of amplifier technology, holding a total of 2 patents. His work primarily focuses on reducing distortion in amplifier networks, which is crucial for enhancing audio and signal quality.

Latest Patents

Derek's latest patents include a "High dynamic range modulation independent feed forward amplifier network." This invention employs a frequency swept pilot tone signal to minimize distortion generated by the network's power amplifier. The process begins with a composite input signal that may include various bandwidth modulation formats. A frequency swept pilot tone, generated by a variable frequency oscillator, is injected into the input path of the power amplifier. Distortion cancellation techniques are then utilized to produce an amplified output signal that closely replicates the input signal. The pilot tone power is detected within the amplifier passband to adjust the network characteristics, thereby reducing pilot tone at the output.

Another notable patent is the "Feed forward amplifier network with frequency swept pilot tone." This invention also utilizes a frequency swept pilot tone to mitigate distortion from the power amplifier. The pilot tone is injected into the input signal, and distortion cancellation is employed to create an amplified output signal that is free from both pilot tone and distortion signals. A detector, phase locked to the variable frequency oscillator, assesses the average pilot tone energy in the output signal, allowing for adjustments to the amplifier network characteristics.

Career Highlights

Derek L Tattersall, Jr. has had a notable career at Motorola Corporation, where he has been instrumental in developing advanced amplifier technologies. His innovative approaches have contributed to the company's reputation for excellence in telecommunications and signal processing.

Collaborations

Derek has collaborated with James F Long, working together to enhance the capabilities of amplifier networks. Their partnership has led to significant advancements in the field.

Conclusion

Derek L Tattersall, Jr. is a prominent inventor whose work in amplifier technology has led to valuable patents that improve signal quality. His contributions continue to influence the industry and pave the way for future innovations.