Technical Feature: Designing and Characterizing TRL Fixture Calibration Standards for Device Modeling

By Julien Fleury and Olivier Bernard
California Eastern Laboratories

To measure and characterize devices, California Eastern Laboratories (CEL) uses different fixtures and calibration methods. One is the through-reflect-line, or TRL, which can be used to calibrate the HP8510 network analyzer.

Like other calibration methods, the TRL introduces a 12-term error correction vector for each frequency point. To calculate these terms, standards for which S-parameters are known must be measured. These standards include a short order open a through and a delay line with known electrical delay....

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