Network analyser solution delivers system-level accuracy to 120GHz

Posted By : Mick Elliott
Network analyser solution delivers system-level accuracy to 120GHz

A broadband millimeter-wave network analyser solution that delivers system-level accuracy up to 120GHz has been announced by Keysight Technologies. The N5290/91A solutions produce metrology-grade results that enable leading-edge developers to confidently characterise their millimeter-wave designs.

The new solution enhances device characterisation and modelling by delivering exceptional stability and accuracy for on-wafer and connectorised measurements. Magnitude stability is less than 0.015 dB and phase accuracy is less than 0.15 degrees over a 24-hour period.

Leveraging Keysight’s expertise in metrology, the solution’s calibration capabilities are based on an improved-accuracy database that supports a 1.0 mm calibration kit (85059B) and a 1.0 mm verification kit (85059V).

With this foundation, the new broadband millimeter-wave solution provides measurement results that are traceable to national metrology institutes.

Core elements of the system are a Keysight PNA or PNA-X network analyser, along with N5293A Series compact frequency extenders and the N5292A test-set controller. To simplify benchtop measurements, engineers can mount the frequency extenders on an optional desktop positioner.

 Ruggedised 1.0mm test ports ensure repeatable connections that improve calibration uncertainty and therefore system-level measurement precision. Users can apply automatic fixture de-embedding to connectorised measurements or perform calibration at the probe tips during on-wafer measurements.

The optional 900Hz start frequency, with Options 205 or 425, enables engineers to characterise the low-frequency performance of their devices.

This is especially useful when measuring the low-loss transmission line structures that are commonly used in high-speed digital applications.

Keysight collaborated with solution partner Cascade Microtech to provide a complete wafer measurement system (WMS) based on the N5290/91A and the Keysight W8580BP WagerPro Express Core Measurement Bundle (software, drivers and database). The WMS program provides guaranteed configuration, installation and support to reduce risk and accelerate time to first measurement.

The broadband millimeter-wave solution also supports a variety of Keysight’s proven measurement applications. Examples include complete characterisation of amplifiers and frequency converters (gain compression software option), measurements of mixers and frequency converters (scalar mixer software option), and calibrated multi-channel spectrum measurements (extended spectrum analyser software option).

Keysight is also introducing a multi-touch user interface (UI) for all models in the PNA Series of network analysers. Updates to the UI include a 12.1-inch widescreen display; easy access to frequently used functions; quick setups using touch-activated tabbed softkeys and dialog menus; and intuitive single- and multi-touch gestures to drag-and-drop or magnify traces.


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