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THRESHOLD LUMINOUS FLUX [1 record]

Record 1 2011-05-27

English

Subject field(s)
  • Telecommunications Transmission
  • Vacuum Tubes (Electronics)
  • Electrical Circuits and Circuit Breakers
  • Photoelectricity and Electron Optics
DEF

In camera tube, the input luminous flux necessary to obtain a stated signal-to-noise ratio in the output.

DEF

The least input wich produces a satisfactory output.

Key term(s)
  • detector sensitivity
  • open-circuit voltage response
  • detection threshold

French

Domaine(s)
  • Transmission (Télécommunications)
  • Tubes et lampes (Électronique)
  • Circuits électriques et coupe-circuits
  • Photo-électricité et optique électronique
DEF

Dans un tube analyseur, flux lumineux incident nécessaire pour obtenir, à la sortie, un rapport signal à bruit donné.

Key term(s)
  • seuil de détection

Spanish

Campo(s) temático(s)
  • Transmisión (Telecomunicaciones)
  • Tubos de vacío (Electrónica)
  • Circuitos eléctricos e interruptores automáticos
  • Fotoelectricidad y óptica electrónica
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