David L Krett

Title: Innovations of David L Krett

Introduction

David L Krett is a notable inventor based in Springville, Iowa, with a significant contribution to the field of radio frequency technology. He holds a total of six patents, showcasing his expertise and innovative spirit in developing advanced systems and methods.

Latest Patents

One of his latest patents is the "Outphasing power amplifier linearization method with improved output power back-off efficiency." This invention describes a high-efficiency outphasing power amplifier capable of amplifying complex, wideband, multi-tone signals with minimal distortion. The system can amplify at least 256 symbol QAM signals while maintaining high direct current-to-radio frequency efficiency across various power levels. The design employs a bridge output network formed from two complementary Class-D amplifiers, allowing for effective workload distribution and phase error correction. This ensures that efficiency remains high even at low power outputs.

Another significant patent is the "Apparatus and method for radio frequency power and standing wave ratio measurement." This invention involves measuring the magnitude of radio frequency voltage and current at a single point along a transmission line. It calculates the Voltage Standing Wave Ratio (VSWR) and forward input power, allowing for adjustments to the radio frequency power source to prevent damage to the detection apparatus or load.

Career Highlights

David has had a distinguished career, working with prominent companies such as Rockwell International Corporation and Rockwell Collins, Inc. His experience in these organizations has contributed to his innovative developments in radio frequency technology.

Collaborations

Throughout his career, David has collaborated with notable colleagues, including Timothy L Kean and Ted J Hoffman. These partnerships have likely fostered an environment of creativity and innovation, leading to the development of his impactful patents.

Conclusion

David L Krett's contributions to radio frequency technology through his patents and career achievements highlight his role as a significant inventor in the field. His innovative methods and systems continue to influence advancements in technology.