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anti-aliasing without filter?

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Subject: anti-aliasing without filter?
From: Ricardo Antunes <>
Date: Tue, 24 Aug 2004 10:11:23 -0700
using the frequency response of transducers and/or
 amplifiers (e.g. due to GBP limitations) to avoid
 aliasing?
 
 If for instance I use a transducer with a response
 that drops past 100 kHz and an amplifier with a
 similar frequency response, and I sample my signal at
 500 kHz, I could avoid aliasing without having to use
 a low pass filter before the analog-to-digital stage.
 Does this makes sense?
 
 All the best,
 
 Ricardo Antunes
 

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