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Isle of Wight-based DSP firm RF Engines has designed a processing core for a Korean spectrum analyser maker.

"RFEL have been working with LIG Nex1 for a number of years, and have most recently supplied an IF design that effectively is a digital replacement for the analogue intermediate frequency filtering section of its latest instrument," said RFEL.

The UK firm specialises in DSP spectrum manipulation algorithms for FPGAs.

This latest design will run on a Xilinx VII-1000-based board design by LIG Nex1.

"Replacing traditional analogue components with modern digital techniques helps to make the systems easier to manufacture, more reproducible and more reliable," said RFEL.

"The use of digital technology also saves on the manufacturing alignment costs normally associated with analogue circuitry, and the guaranteed repeatability of the digital design reduces both the need for, and the costs, of on-going calibration."

It incorporates decimation functions, a digital modulation analysis core, the option of SDRAM or FIFO for data capture, time domain triggering, and a 30MHz initial down-conversion.