Location History:
- Gloucester, MA (US) (2004 - 2011)
- Wilmington, MA (US) (2011)
- Amesbury, MA (US) (2015 - 2019)
Company Filing History:
12 out of 3,624 
4 out of 4 
1 out of 4,791 
Years Active: 2004-2019
Title: The Innovations of Bernd Schafferer: A Pioneer in Digital-to-Analog Converter Technology
Introduction
Bernd Schafferer, an accomplished inventor based in Amesbury, MA, holds an impressive portfolio of 18 patents. His contributions primarily focus on advancements in digital-to-analog converter (DAC) technologies, which play a crucial role in various applications, particularly in the radio frequency domain.
Latest Patents
One of Bernd's notable patents is a high output power digital-to-analog converter system. This innovative design presents a parallel DAC structure that employs eight parallel DACs to produce a programmable current output that can reach up to 512 mA or more. Such a structure addresses the challenges associated with high current outputs from a single DAC. Furthermore, the hybrid design integrates different technologies by leveraging CMOS processes for current sources and switches, alongside a GaAs cascode stage for optimal output combination. This results in a highly efficient DAC capable of achieving peak output power of up to 29 dBm or more.
Another significant patent focuses on methods and devices for digital-to-analog conversion via pulse coupling. This inventive approach outlines circuits and methods that convert digital input signals into analog output signals using series transmission lines. These mechanisms efficiently utilize power thanks to the inter-coupling of wave propagation media.
Career Highlights
Throughout his professional journey, Bernd has been associated with reputable companies such as Analog Devices, Inc. and S9estre, LLC, where he has honed his expertise in DAC technologies and contributed to significant advancements in the field.
Collaborations
Collaboration has been a key element of Bernd's success. He has worked alongside talented individuals like Bing Zhao and Yunchu Li, fostering a creative and innovative environment that has propelled numerous projects forward.
Conclusion
Bernd Schafferer continues to be an influential figure in the realm of digital-to-analog conversion technologies. His dedication to innovation has led to significant advancements in the industry, benefiting various applications and setting a standard for future developments. With a strong foundation of patents and collaborative efforts, Bernd's contributions will undoubtedly impact the field for years to come.