Identifying and Avoiding Common Errors in RF Calibration

Phase and level stable cables used for Vector Network Analyzer (VNA) test port connections.
Phase and level stable cables used for Vector Network Analyzer (VNA) test port connections.

By Paul Roberts

There are many potential sources of human and measurement errors in RF calibration. This paper examines five common error sources associated with connectors, cables, and accessories such as adapters, splitters and couplers: their choice, use, maintenance, and application of correction factors and uncertainty contributions.

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