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INGRAM Digital Data Recorders

Signal Processing
Advanced Description


Analog and digital systems employed in the EXTREME1 for noise reduction include:

   High-Speed Sigma-Delta Signal Conversion
   32-Times Oversampling
   High-Order Modulation Noise Shifting
   Dual Digital Finite Impulse Response Filters
   Analog Low-Pass Filter
   Crystal Timebase


These features allow for recordings to be made with high quality, high resolution, and low spurious noise. Oversampling, dual digital filters, and an analog low-pass filter insure that the recordings made will not contain NYQUIST FOLDING images.


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