Multichannel streaming added to AXIe wideband digital receiver

Posted By : Mick Elliott
Multichannel streaming added to AXIe wideband digital receiver

Multi-module synchronisation has been introduced into Keysight Technologies M9703B AXIe high-speed digitiser/wideband digital receiver increasing the total number of streaming and recording channels. The new bundles options (-CB1/-CB2) enable multichannel phase coherent Digital Down Conversion (DDC) which has applications in 5G, radar and satellite communications, and aerospace & defence.

With up to 320MHz instantaneous bandwidth (IBW) with tuneable intermediate frequency, this high-speed digitiser meets the needs for new technology development in 5G wireless mobile broadband.

Used with the recommended host computer configuration, the new options allow guaranteed recording time, storing all I/Q samples for later analysis.

A command line software application is included in the bundle for an easy launch and control of the streaming and recording.

As a component of the Keysight solution, the M9730B receiver allows customers to quickly characterise the channel behaviour in these frequency bands and enables researchers to develop the necessary channel models for designing and validating air-interface alternatives.

“In dense urban RF environments where an interoperability and compatibility challenge may exist, the functionality of the -CB1 and -CB2 options allows users to capture and record a long duration of large frequency bands on multiple phase coherent channels,” said Pierre-François Maistre, R&D project manager for the Wideband Digitiser Components group of Keysight’s CMS Division. “This capability allows users to characterize all emitters and distortions in the RF environment, including their timing relationships to other RF systems and enable an accurate post data processing, which is used in 5G channel sounding applications.”

For other applications where gapless streaming and recording is not required but there is a need to simultaneously read while acquiring, the new signal processing firmware (-TSR option) enables simultaneous capture and transfer of triggered acquisition data to the host computer.

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