Digitizers now offer continuous Digital Down Conversion via GPU

Spectrum Instrumentation launches DDC processing to convert RFsignals down to baseband signals.

Spectrum Instrumentation’s complete line of PCIe digitizer card scan now perform Digital Down Conversion (DDC) thanks to a low-cost option that uses an external GPU-card for continuous “on-the-fly” processing. DDC is a powerful technique that is commonly used in a wide range of communication systems, like digital radio, radar, mobile telephony, space or satellite communications. In the DDC process, RF or Microwave signals are converted to baseband, which contains the signal of interest. The conversion dramatically reduces the resultant data set while also improving signal quality and measurement accuracy. Spectrum Instrumentation has 48 different PCIe-based digitizers (with sampling speeds from 5 MS/s to 10 GS/s) that can run the new DDC function, so customers can select the…



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