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RFEL IP core allows real-time signal processing

Posted: 03 Oct 2002 ?? ?Print Version ?Bookmark and Share

Keywords:rf engines? pipelined frequency transform? tunable pft? ip core?

RF Engines Ltd has announced the release of the Tunable Pipelined Frequency Transform (TPFT) IP core that enables users to dynamically select sections of spectrum of differing bandwidths, and acquire and process these channels in real-time.

The architecture is based on the company's Pipelined Frequency Transform design and is aimed at applications that require flexibility in frequency channelization and real-time reconfiguration to different frequency plans such as wideband multi-standard receivers.

It is also aimed at those applications requiring the channelization of wideband signals (80MHz) into different size frequency bins arbitrarily distributed across the input spectrum.

The TPFT allows users to specify channels by center frequency and bandwidth, to fully define the filter characteristics, and to then reconfigure in real-time to a different frequency plan or plans, as required. Spectral shaping masks can also be directly applied onto the outputs within the architecture itself, allowing the final filter shapes to be further tuned to the needs of the application.

A first stage splits the input in two frequency bands, a second stage into four, and so on. Tunability is achieved by controlling the channelization process from outside the TPFT itself, thus allowing reconfiguration on demand. A Windows-based GUI controls the architecture, modifying the required parameters as required.

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