TERMIUM Plus®

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COLPITTS OSCILLATOR [1 record]

Record 1 1983-03-14

English

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

An oscillator in which a parallel-tuned tank circuit has two voltage-dividing capacitors in series, with their common connection going to the cathode in the electron-tube version and the emitter circuit in the transistor version.

French

Domaine(s)
  • Circuits oscillants et oscillateurs (Électronique)
OBS

Le circuit oscillant est formé de l'indice a [charge] et de l'ensemble des deux condensateurs C indice 1 et C indice 2 (...); la résistance Ra, qui peut être remplacée par une bobine d'arrêt, empêche que le condensateur C indice 1 soit court-circuité en haute fréquence par la source de tension plaque. Ce montage a l'avantage de pouvoir fonctionner à des fréquences dépassant 100 MHz; à ce moment, les capacités internes du tube peuvent jouer le rôle des condensateurs C indice 1 et C indice 2.

Key term(s)
  • oscillateur de Colpitt
  • oscillateur Colpitt

Spanish

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