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piezoelectric crystal [1 record]

Record 1 2006-02-21

English

Subject field(s)
  • Piezoelectricity
  • Oscillators and Oscillating Circuits (Electronics)
DEF

A piece of natural quartz or other crystalline material capable of demonstrating the piezoelectric effect.

OBS

A quartz crystal, when ground to certain dimensions, will vibrate at a desired radio frequency when placed in an appropriate electric circuit.

OBS

In this type of application the crystal is used to produce very stable oscillations at a precise frequency or as a highly selective bandpass filter. In effect, the electrical excitation causes the crystal to vibrate mechanically at its resonant frequency, and that vibration produces a resultant electrical signal at the same frequency.

French

Domaine(s)
  • Piézoélectricité
  • Circuits oscillants et oscillateurs (Électronique)
DEF

Cristal de silice plus ou moins pur, naturel ou artificiel, découpé selon une forme appropriée pour être utilisé comme oscillateur ou filtre radiofréquence grâce à ses propriétés piézoélectriques.

OBS

piézoélectrique : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2004).

OBS

cristal piézo-électrique : terme uniformisé par le Groupe de travail de terminologie des Munitions.

Spanish

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