Company Filing History:
Years Active: 2006-2009
Title: **Innovations of Carl Stephelbauer: Pioneering Controllable Amplifiers**
Introduction
Carl Stephelbauer is an esteemed inventor based in Ennsdorf, Austria, with a remarkable portfolio featuring four patents to his name. His contributions to the field of electronics, particularly in amplifiers, have garnered significant attention within the industry.
Latest Patents
Among his latest innovations are two key patents focused on advancements in controllable amplifiers. The first, titled "Controllable Amplifier and its Use," describes a novel amplifier configuration that includes two current paths connecting the amplifier's input to its output. Each path utilizes a transistor configured as a source follower, allowing for dynamic control over attenuation and overall gain. This technology serves as a variable gain amplifier (VGA) or a programmable gain amplifier (PGA) specifically tailored for radio-frequency transmitters.
The second patent, "Variable Gain Amplifier," presents a high-frequency amplifier arrangement. This system consists of a first stage with a modulator interfacing with a baseband signal, and a controllable current shunting device tied to the modulator. It further includes a second stage featuring a gain-controllable emitter follower, a third stage comprising a gain-controllable amplifier, and a dedicated gain control unit responsible for generating control signals across all stages.
Career Highlights
Carl's current professional affiliation is with Infineon Technologies AG, a global leader in semiconductor solutions. His role at the company allows him to apply his inventive skills to real-world applications, contributing to advancements in amplifier technology.
Collaborations
Throughout his career, Carl has collaborated with notable colleagues such as Manfred Haberl and Günter Haider. These partnerships have facilitated innovation and the successful development of new technologies in the field of electronics.
Conclusion
Carl Stephelbauer's contributions to the arena of controllable amplifiers underscore his status as a significant figure in electronic innovation. With a solid number of patents and impactful collaborations, he continues to inspire future advancements that will shape the industry. His work not only enhances the functionality of electronic devices but also drives further research and development within the field.