Anritsu disrupts market for RF VNAs

03 June 2014

A family of remote-control two- and four-port VNAs is suitable for testing passive devices in production, design and education.

The ShockLine family of VNAs (vector network analysers) combine accuracy, sensitivity and sweep speed with prices as much as 75% lower than those of traditional bench-top VNAs, claims the company.

They test passive devices such as cables, connectors, filters, and antennae in engineering, manufacturing and education applications. They can perform the single-ended and mixed-mode S-parameter measurements typically required for production testing of passive devices, offering frequency coverage up to 40GHz. They can also conduct path loss characterisation of complex systems. Faults in broadband devices can be easily and quickly identified using a time-domain with time-gating option.

The VNAs mark a radical departure from conventional design, since they feature no display or keypad, and are controlled remotely by computer via a LAN or other connection. A small 2U chassis allows the VNAs to slide into rack configurations.

Speed is not compromised, says the company, despite the size, with, for example the MS46522A model has a 70┬Ás/point sweep speed, up to 110dB dynamic range and corrected directivity of at least 42dB.

Other models in the range are the Economy ShockLine MS46322A two-port VNA, for measurements up to 40GHz and the MS46524A four-port VNAs for differential and multi-port device testing up to 7GHz.

All support SCPI command programming and have software driver support for integration into most programming environments. A GUI connects the VNA to a touchscreen monitor, keyboard and mouse. A LAN interface provides more robust control and faster data transmission compared to USB and GPIB, respectively, says the company.

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