De-embedding S-Parameter[pic]In this lecture, we will introduce the various types of planar transmissionlines and test fixtures that are typically used when measuring surfacemount devices.We will next discuss the mathematical relationship between the S and Tparameters.Next, we will show how the measured T parameters and a fixture model can beused to de-embed the test fixture from the measurements.We will then show an example of modeling a test fixture using a combinationof measurement and computer optimization.Finally, we will provide a measurement example using the de-embeddingprocess described in this presentation[pic]Traditionally, both RF and microwave components were designed in packageswith coaxial connections. Complex systems could be easily manufactured bybolting together a s……
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