This webinar will touch on the basic concepts which underlay the operation of a Vector Network Analyzer. What does it really measure? What are the key components? What are its limitations? How does one compare one analyzer to another? What are the key specifications? We’ll take a brief look at the evolution of VNA design over the years to understand how a state-of-the-art VNA is USB based without an embedded operating system. The viewer should come away with an intuitive understanding of VNA operation and how best to use this important measurement tool.