DEWESOFT SIRIUS Series

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SIRIUS
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TECHNICAL REFERENCE MANUAL 
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Digital Filtered: the final digital FIR filter (with a sharp damping) further attenuates all signals above (f
f
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so that we get an excellent measurement result over the whole frequency range (i.e. the effect of the                  
aliasing is negligible). 
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Important 
Illustration below “Filtering components in SIRIUS® DualCore and HD modules” shows an            
overview of the components in the SIRIUS® DualCore and HD modules: after the input amplifier               
there is an analog filter followed by the ADC which uses oversampling and includes a Digital                
ADC Filter, so that we can get excellent aliasing free measurement results. 
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Filtering components in SIRIUS® DualCore and HD modules 
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SIRIUS
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