R&S ZNBT20 true multiport vector network analyser

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The R&S ZNBT20 from Rohde & Schwarz is claimed to be the first true multiport vector network analyser in the microwave range with up to 16 integrated test ports. The hardware architecture from the R&S ZNBT8 has been extended to 20 GHz, allowing users to characterise multiple devices under test in parallel and thus increase throughput. The product is said to offer the high measurement performance of a two-port network analyser at each of its test ports.

With a starting frequency of 100 kHz and up to 16 integrated test ports, the analyser offers fast sweep times and good RF performance. The true multiport vector network analyser can drive all ports in parallel without the need for internal switching. Parallel measurements increase the throughput, which is particularly important for production applications.

The high number of ports is relevant for the production of both active and passive multiport components, such as frontend modules for multiband mobile phones or high-speed data cables. Signal integrity tests can be performed for high-speed transmission standards, especially when combined with the R&S ZNBT-K20 software option for extended time domain analysis, which allows eye diagrams to be displayed on the R&S ZNBT.

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