In this article, the author discusses the advancements in open hardware technology for test equipment, focusing on the design and development of an open hardware single-ended active probe with a bandwidth of DC–2 GHz. They highlight the limitations of traditional passive probes and the benefits of active probes, pointing out the challenges faced by enthusiasts due to the high cost of commercial options. The article delves into the design process of the probe, addressing issues such as frequency compensation, input impedance, and performance evaluation using industry-standard methods. The author’s unique approach and attention to detail make this project both informative and inspiring for electronics enthusiasts and professionals alike.
https://jmw.name/projects/active-probe/