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.

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
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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