IEC 61094-6 Ed. 1.0 b:2004

Current Revision
Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response

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Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response

PUBLISH DATE 2004
PAGES 62

Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response

This part of IEC 61094

  • gives guidelines for the design of actuators for microphones equipped with electrically conductive diaphragms;
  • gives methods for the validation of electrostatic actuators;
  • gives a method for determining the electrostatic actuator response of a microphone.

The applications of electrostatic actuators are not fully described within this standard but may include:

  • a technique for detecting changes in the frequency response of a microphone,
  • a technique for determining the environmental influence on the response of a microphone,
  • a technique for determining the free field or pressure response of a microphone without specific acoustical test facilities, by the application of predetermined correction values specific to the microphone model and actuator used,
  • a technique applicable at high frequencies not typically covered by calibration methods using sound excitation.
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