Test & Measurement

Touch-operated VNA offers enhanced RF performance

14th January 2019
Mick Elliott

The R&S ZNA high-end vector network analyser, a powerful, universal test platform for characterising active and passive DUTs has been launched by Rohde & Schwarz. The two models R&S ZNA26 (10MHz to 26.5GHz) and R&S ZNA43 (10MHz to 43.5GHz) offer a dynamic range of 146dB (typ.) and a trace noise as low as 0.001dB at 1kHz IF bandwidth.

 

These two features are essential for measurements on high-rejection filters.

With its hardware concept, the R&S ZNA can perform mixer measurements for RF and IF in parallel, delivering measurement speed twice as fast as with the conventional approach.Amplifier characterisation becomes easier with a 100dB power sweep range, a pulse generator and modulator per test port, versatile intermodulation measurement capabilities and spectrum analyser functionality.

The R&S ZNA offers four internal, phase-coherent sources, eight truly parallel receivers and two internal local oscillators (LOs). This simplifies the test setups for characterising frequency-converting devices, amplifiers and even complex T/R modules, requiring the DUT to be connected only once.

Users can perform vector corrected conversion loss, phase and group delay measurements in half of the time required with the conventional approach and without the need for a reference mixer. The R&S ZNA offers what is said to be a unique approach, focused on the DUT, to simplify measurement configuration.

The user first selects the type of DUT (e.g. mixer or amplifier) and is then guided step by step through configuration to the desired test setup. This solution significantly speeds up and facilitates test setups.

Alternatively, users can take the conventional approach and configure measurements individually, providing high flexibility to master even the most challenging measurement tasks.This vector network analyser is purely touch-operated using a 12.1in. touchscreen as the main display and a 7in. touchscreen instead of a hardkey panel.

Together with the DUT-centric approach, the second touchscreen provides a seamless user experience.

Both the R&S ZNA26 and R&S ZNA43 high-end vector network analysers are now available from Rohde & Schwarz.

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