NF C97-010
NF C97-010

NF C97-010

November 1974
Standard Cancelled

Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations.

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Main informations

Collections

National standards and national normative documents

Publication date

November 1974

Number of pages

10 p.

Reference

NF C97-010

ICS Codes

17.140.50   Electroacoustics

Classification index

C97-010

Print number

1

International kinship

IEC 60225:1966
Standard replaced by (1)
NF EN 61260
NF EN 61260
January 1996
Standard Cancelled
Electroacoustics. Octave-band and fractional-octave-band filters.

Ce document donne les prescriptions concernant les caractéristiques et les méthodes d'essai des filtres passe-bande analogiques. Les prescriptions concernent les classes 0 à 2.

Table of contents
  • AVANT-PROPOS
    2
  • 1 Domaine d'application
    3
  • 2 Objet
    3
  • 3 Bandes passantes
    3
  • 4 Impédances de charge et de source
    3
  • 5 Tension maximale admissible
    4
  • 6 Bande passante, affaiblissement et sélectivité
    4
  • 6.1 Bande passante effective
    4
  • 6.2 Affaiblissement dans la bande passante
    4
  • 6.3 Àffaiblissement en dehors de la bande passante
    5
  • 6.4 Tolérances globales
    6
  • 7 Distorsion de non linéarité d'amplitude (distorsion harmonique)
    6
  • 8 Influence de la tension d'alimentation
    6
  • 9 Influence des champs magnétiques et électrostatiques
    6
  • 10 Influence des vibrations et des champs acoustiques ambiants
    7
  • 11 Influence de la température
    7
  • 12 Influence de l'humidité
    7
  • TABLEAUX
  • I. - Fréquences conformes à la Publication de l'ISO R 266
    8
  • II. - Écart d de l'affaiblissement, par rapport à la perte nominale d'insertion
    9
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