RF capacitor microphone

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• capacitor microphone — noun microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves • Syn: ↑condenser microphone • Hypernyms: ↑microphone, ↑mike …   Useful english dictionary

• Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …   Wikipedia

• capacitor dielectric and piezoelectric ceramics — ▪ ceramics Introduction       advanced industrial materials that, by virtue of their poor electrical conductivity, are useful in the production of electrical storage or generating devices.       Capacitors (capacitor) are devices that store… …   Universalium

• microphone — /ˈmaɪkrəfoʊn / (say muykruhfohn) noun an instrument which is capable of transforming the air pressure waves of sound into changes in electric currents or voltages. Qualifying adjectives, as capacitor, crystal, velocity, etc., describe the method… …  

• Variable capacitor — Rotary variable capacitor A variable capacitor (also known as a variable air condenser ) is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are often used in L/C… …   Wikipedia

• condenser microphone — noun microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves • Syn: ↑capacitor microphone • Hypernyms: ↑microphone, ↑mike * * * noun : a microphone in which the sound waves cause a… …   Useful english dictionary

• Measurement microphone calibration — In order to take a scientific measurement with a microphone, its precise sensitivity must be known (in volts per Pascal). Since this may change over the lifetime of the device, it is necessary to regularly calibrate measurement microphones. This… …   Wikipedia

• 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

• condenser microphone — /kənˈdɛnsə maɪkrəfoʊn/ (say kuhn densuh muykruhfohn) noun a microphone in which the diaphragm acts as one plate of a capacitor, and its voice activated vibrations vary this capacitor physically and its output electrically, to produce suitable… …  

• Georg Neumann — A classic Neumann U87 microphone Georg Neumann GmbH (Neumann), founded in 1928 and based in Berlin, Germany, is a prominent manufacturer of professional recording microphones. Their best known products are condenser microphones for broadcast,… …   Wikipedia

• Microphonics — (also called microphony) describes the phenomenon where certain components in electronic devices transform mechanical vibrations into an undesired electrical signal (noise). The term is derived by analogy to microphones where that behavior is… …   Wikipedia