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Instrumentation Articles

  • Selection Guide for Microphones

    This article helps the reader select the proper microphone. It explains the difference between free field, random incidence, and pressure response microphones. Frequency range, dynamic range and polarization are also covered.
  • Selection Guide for Microphone Preamplifiers

    This article explains the differences between the two types of preamplifiers and their fundamental characteristics.
    The output signal from a microphone is very weak and cannot drive cables, so, it is necessary to mount a preamplifier dir...
  • New features for the 3-series OROS Analyzer

    Years after launching the renowned 3-series analyzers, OROS has taken them to another level by adding user-inspired refinements. The new version of the dynamic signal analyzers is now more versatile with unique features especially designed to perform i...