Hardware design of network analyser speeds up RF testing

January 15, 2019 //By Nick Flaherty
Hardware design of network analyser speeds up RF testing
Rohde & Schwarz has launched a new generation of high-end vector network analysers with a unique hardware design that simplifies measurement configuration and a 'touch only' interface.

THe R&S ZNA26 (10 MHz to 26.5 GHz) and R&S ZNA43 (10 MHz to 43.5 GHz) offer dynamic range of 146 dB (typ.) and a trace noise of 0.001 dB at 1 kHz IF bandwidth. These two features are essential for measurements on high-rejection filters. The ZNA can perform mixer measurements for RF and IF in parallel, delivering measurement speed twice as fast as with the conventional approach. Amplifier characterization is simplified with a 100 dB power sweep range, a pulse generator and modulator per test port, versatile intermodulation measurement capabilities and spectrum analyser functionality.

The ZNA has four internal, phase-coherent sources, eight truly parallel receivers and two internal local oscillators (LOs). This simplifies the test setups for characterizing 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.

Measurement configuration is set by first selecting the type of DUT (e.g. mixer or amplifier) and the user is then guided step by step through configuration to the desired test setup. This 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.

The ZNA is also the world's first purely touch-operated vector network analyzer, using a 12.1" touchscreen as the main display and a 7" touchscreen instead of a hardkey panel. T

The new R&S ZNA26 and R&S ZNA43 high-end vector network analyzers are now available from Rohde & Schwarz.

www.rohde-schwarz.com/product/zna


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