IEEE Cleveland Chapter of the AP/MTT/ED Societies, Case Western Reserve University ETA KAPPA NU, and Agilent Technologies


Tim Brennan

Agilent Technologies


“Vector Network Analysis 101”


High-frequency components are tested for a variety of reasons. Since most components are used as "building blocks" for complex systems, component manufacturers must measure the performance of their products so they can provide accurate specifications for system designers, who want to know how a particular component will behave in their application. Also, R&D engineers need to measure component performance during the design process to ensure that system specifications are met, and to verify their computer simulation models. When designing communications systems, engineers test components to make sure that a particular device is not causing excessive signal distortion. In many cases, they also want to maximize system efficiency by minimizing the amount of power a device reflects. An example of this would be the measurement of antenna match.


This presentation covers the principles of measuring high-frequency electrical components with Network Analyzers. You will learn what kinds of measurements are made with Network Analyzers, and how they allow you to characterize your device. The session starts with the concept of reflection and transmission and the associated terminology such as VSWR, reflection Coefficient and S-parameters. RF fundamentals of magnitude and phase, transmission lines and Fourier Analysis will briefly be discussed. The next section covers all the major components in a network analyzer, including the advantages and limitations of different hardware approaches. Error modeling, accuracy enhancement, and various calibration techniques will then be presented.


Food and beverages will be provided!!

April 2, 2009

11:30 AM to 1:00 PM

Case Western Reserve University 

Glennen Bld. Room 313

Cleveland, Ohio

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