Rohde & Schwarz introduces the Option ZVx-K6 for the R&S ZVA four-port vector network analyzers and R&S ZVT analyzers with three or more ports. This capability provides the first technique to allow RF and microwave power transistors and amplifiers, MMICs, RFICs, filters and single-chip receivers to be accurately evaluated under these signal conditions. Until now, engineers have been forced to measure balanced devices in both their linear small-signal and nonlinear large-signal regions with the same technique. However, this technique is accurate only in the small-signal region, and almost invariably overstates device performance in the large-signal region.

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