Bryant Julstrom earned a BA in mathematics at Augustana College in Rock Island, Illinois, in 1972, and a PhD in computer science at The University of Iowa in 1987. He is currently a Professor in the Department of Computer Science and Information Technology at St. Cloud State University in St. Cloud, Minnesota. He is a licensed radio amateur with call sign KC0ZNG.
A Semiconductor-Based High Voltage Utility Power Supply
A utility supply like this has a small footprint on the bench and supports a wide range of experiments with tube circuits.