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  • Environmental Noise Control Trends in Instrumentation
    straightforward, and inexpensive, to include complex electronic circuitry to the microphone itself. Some of these MEMS microphones, such as the one used in the Noise Sentry RT, include circuitry to convert the acoustic signal to a digital stream directly at the component level. This presents several
  • Anti-Aliasing, Analog Filters for Data Acquisition Systems
    Analog filters can be found in almost every electronic circuit. Audio systems use them for preamplification, equalization, and tone control. In communication systems, filters are used for tuning in specific frequencies and eliminating others. Digital signal processing systems use filters to prevent
  • Achieving Higher ADC Resolution Using Oversampling
    system. An ADC converts analog signals Quantization noise can be reduced by adding more bits into digital signals in electronic systems. The key fea- into the ADC hardware design. This noise can also be ture of an ADC is the accuracy (resolution) it offers. The reduced in software by oversampling the ADC

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