Signal Conditioning & PC-Based Data Acquisition Handbook
Chapter 7 - Noise Reduction & Isolation
Controlling electrical noise is imperative because it can present problems even with the best measurement equipment. Most laboratory and industrial environments suffer from multiple sources of electrical noise. For example, AC power lines, heavy equipment (particularly if turned on and off frequently), local radio stations, and electronic equipment can create noise in a multitude of frequency ranges. Local radio stations are a source of highfrequency noise, while computers and other electronic equipment can create noise in all frequency ranges. Creating a completely noise-free environment for test and measurement is seldom practical....download the full chapter to read on....
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