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EN 300 422 : 1.2.1

M00044418

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EN 300 422 : 1.2.1

ELECTROMAGNETIC COMPATIBILITY AND RADIO SPECTRUM MATTERS (ERM) - TECHNICAL CHARACTERISTICS AND TEST METHODS FOR WIRELESS MICROPHONES IN THE 25 MHZ TO 3 GHZ FREQUENCY RANGE

European Telecommunications Standards Institute

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Table of Contents

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
  3.1 Definitions
  3.2 Symbols
  3.3 Abbreviations
4 Functional characteristics
  4.1 Radio microphone descriptions
  4.2 In ear monitoring
5 General
  5.1 Presentation of equipment for testing purposes
  5.2 Mechanical and electrical design
  5.3 Interpretation of the measurement results
6 Test conditions, power sources and ambient conditions
  6.1 Normal and extreme test-conditions
  6.2 Test power source
  6.3 Normal test conditions
  6.4 Extreme test conditions
7 General conditions
  7.1 Normal test modulation
  7.2 Artificial antenna
  7.3 Test fixture
  7.4 Test site and general arrangements for
      radiated measurements
  7.5 Modes of operation of the transmitter
  7.6 Arrangement for test signals at the input
      of the transmitter
8 Methods of measurement and limits for transmitter
  parameters
  8.1 Frequency error
  8.2 Carrier power
  8.3 Channel bandwidth
  8.4 Spurious emissions
9 Receiver
  9.1 Spurious emissions
10 Measurement uncertainty
Annex A (normative): Radiated measurement
  A.1 Test sites and general arrangements for
      measurements involving the use of radiated fields
  A.2 Guidance on the use of radiation test sites
  A.3 Further optional alternative indoor test site
      using an anechoic chamber
Annex B (normative): Measurement of Necessary Bandwidth
         (BN)
Annex C (informative): Graphic representation of the
         selection of equipment and frequencies for
         testing of single and multi-frequency equipment
History

Abstract

Amend I-ETS 300 422 to upgrade spectrum management aspects and convert to EN. Extend scope to cover: Cordless audio headphones (mono and stereo); cordless audio loudspeakers; professional-in-ear monitoring systems.

General Product Information

Document Type Standard
Status Current
Publisher European Telecommunications Standards Institute
Committee ERM RP08