The LCR meter provides a simple and accurate way to measure impedance at a specific frequency point. Impedance analyzers are used to measure and plot the complex impedance of the device under test over a range of frequencies. TEGAM addressed this problem by designing an application which sweeps through user configurable frequency points on the Model 3550 LCR meter. The output is plotted and the measured values are also stored in an Excel file which can be used for further analysis.

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AN303: The LCR Meter as an Impedance Analyzer