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Specifying calibration standards and kits for vector network analysers

Posted: 03 Jun 2011     Print Version  Bookmark and Share

Keywords:Measurement errors  network analysis 

Measurement errors in network analysis can be separated into two categories: random and systematic errors. Both random and systematic errors are vector quantities. Random errors are non-repeatable measurement variations and are usually unpredictable. Systematic errors are repeatable measurement variations in the test setup.

Systematic errors include impedance mismatch, system frequency response and leakage signals in the test setup. In most microwave measurements, systematic errors are the most significant source of measurement uncertainty. The source of these errors can be attributed to the signal separation scheme used.

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