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Reflection vs Transmission Accuracy in Vector Network Analyzer Measurement

Why is it that Reflection measurements are typically only specified to -35 dB, while transmission measurements are valid to -85 or -90 dB or more? This is a common question and we get inquiries about this frequently. Brian Walker, Senior RF Engineer at Copper Mountain Technologies, explores the reasons for this in the video above, while also clearing up the contrast of Reflection and Transmission accuracy.

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