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anti-aliasing without filter?

Subject: anti-aliasing without filter?
From: Ricardo Antunes <>
Date: Mon, 10 May 2004 08:52:22 -0700
using the frequency response of transducers and/or
 amplifiers (e.g. due to GBP limitations) to avoid
 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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