Name: ASA S1.14 PDF - Engineering Standards Download
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ASA S1.14 – American National Standard Recommendations for Specifying and Testing the Susceptibility of Acoustical Instruments to Radiated Radio-Frequency Electromagnetic Fields, 25 MHz to 1GHz

This Standard provides recommendations for specifying and testing the susceptibility of acoustical instruments to radiated electromagnetic fields. The instruments may be powered by batteries or from a public supply of electric power. Recommendations related to testing an instrument?s susceptibility to electromagnetic radiation are given in annex A. Annex B contains a bibliography of background information. The Standard does not contain recommendations for specifying and testing the susceptibility of an acoustical instrument to conducted electromagnetic fields. The Standard does not contain recommendations to limit the radio-frequency electromagnetic fields that may be radiated by an acoustical instrument. It does not provide recommendations for the influence of radio-frequency fields on optional external cabling or ancillary devices. The Standard is not applicable to audiometers or hearing aids. This Standard provides recommendations for electric and magnetic field strengths and for radiofrequency and acoustical test signals. The Standard covers the range of radio frequencies from 25 MHz to 500 MHz, and an extended range from 25 MHz to 1 GHz (corresponding to wavelengths from 12 m to 0.333 m). The recommendations of this Standard may be used to develop radio-frequency electromagnetic susceptibility requirements for specific acoustical instruments. For individual instrument standards, the recommended specifications for electromagnetic test-signal frequencies, and maximum field strengths, or any other recommendation of this Standard, may be modified as appropriate.