- electret transducer
- электретный (электроакустический) преобразователь
English-Russian electronics dictionary .
electret transducer
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Electret microphone — An electret microphone is a type of condenser microphone, which eliminates the need for a power supply by using a permanently charged material.An electret is a stable dielectric material with a permanently embedded static electric charge (which,… … Wikipedia
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Piezoelectricity — is the ability of some materials (notably crystals and certain ceramics, including bone) to generate an electric potentialPrinciples of Instrumental Analysis. 6th Edition, 2007. Skoog, Holler, and Crouch. Chapter 1, Sec. 1C 4, Pg. 9.] in response … Wikipedia
Ferroelectret — Ferroelectrets are thin films of polymer foams, exhibiting piezoelectric and pyroelectric properties after electric charging. Ferroelectret foams usually consist of a cellular polymer structure filled with air. Polymer air composites are… … Wikipedia
Phantom power — (labeled as +48 V on some audio equipment) is a method that sends a DC electrical voltage through microphone cables. It is best known as a common power source for condenser microphones, though many active DI boxes also use it. Phantom power… … Wikipedia
