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What is a Vector Network Analyzer?

In this video, we dive into what a Vector Network Analyzer (VNA) is and how it plays a crucial role in characterizing both passive devices, such as cables, attenuators and filters, to active devices, like amplifiers and converters\. Unlike other RF test equipment like spectrum analyzers, a VNA is used to measure components such as cables, filters, attenuators, and amplifiers. We’ll also discuss the use of swept frequency and swept power technology to observe both linear and nonlinear behavior of devices under test (DUTs). We explore the inner workings of a 2-port USB VNA and explain the importance of S-Parameter measurements to determine the magnitude and phase of signals transmitted and reflected by the DUT. Discover how an external PC controls the VNA and how this setup provides significant advantages over traditional analyzers. Key Topics Covered: 0:00 - What is a vector network analyzer? 1:07 - How a Vector Network Analyzer works