Brian Walker is the Senior RF Engineer at Copper Mountain Technologies where he helps customers to resolve technical issues and works to develop new solutions for applications of VNAs in test and measurement. Previously, he was the Manager of RF design at Bird Electronics, where he managed a team of RF Designers and designed new and innovative products. Prior to that he worked for Motorola Component Products Group and was responsible for the design of ceramic comb-line filters for communications devices. Brian graduated from University of New Mexico, has 40 years of RF Design experience, and has authored 2 U.S. Patents.
Understanding how to make and interpret power supply impedance is very useful for optimized, low noise power supply design. With a simple pair of homemade probes, it’s easy to make the measurements using a compact VNA. Read on to find out how.