TR 102 273-2 : 1.2.1

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions, symbols and abbreviations
  3.1 Definitions
  3.2 Symbols
  3.3 Abbreviations
4 Introduction
5 Uncertainty contributions specific to an Anechoic
  Chamber
  5.1 Effects of the metal shielding
      5.1.1 Resonances
      5.1.2 Imaging of antennas (or an EUT)
  5.2 Effects of the radio absorbing materials
      5.2.1 Introduction
      5.2.2 Pyramidal absorbers
      5.2.3 Wedge absorbers
      5.2.4 Ferrite tiles
      5.2.5 Ferrite grids
      5.2.6 Urethane/ferrite hybrids
      5.2.7 Floor absorbers
      5.2.8 Performance comparison
      5.2.9 Reflection in an Anechoic Chamber
      5.2.10 Mutual coupling due to imaging in the
             absorbing material
  5.3 Other effects
      5.3.1 Extraneous reflections
      5.3.2 Mutual coupling between antennas (or antenna
            and EUT)
      5.3.3 Turntable and antenna mounting fixtures
      5.3.4 Antenna cabling
      5.3.5 Positioning of the EUT and antennas
      5.3.6 Equipment cabling
6 Verification procedure for an Anechoic Chamber
  6.1 Introduction
  6.2 Normalized site attenuation
      6.2.1 NSA for the ideal Anechoic Chamber
      6.2.2 Mutual coupling
  6.3 Overview of the verification procedure
      6.3.1 Apparatus required
      6.3.2 Site preparation
      6.3.3 Measurement configuration
      6.3.4 What to record
  6.4 Verification procedure
      6.4.1 Procedure 1: 30 MHz to 1 000 MHz
      6.4.2 Alternative Procedure 1: 30 MHz to 1 000 MHz
      6.4.3 Procedure 2: 1 GHz to 12,75 GHz
  6.5 Processing the results of the verification procedure
      6.5.1 Introduction
      6.5.2 Procedure 1: 30 MHz to 1 000 MHz
      6.5.3 Procedure 2 (1 GHz to 12,75 GHz)
      6.5.4 Report format
  6.6 Calculation of measurement uncertainty (Procedure 1)
      6.6.1 Uncertainty contribution, direct attenuation
            measurement
      6.6.2 Uncertainty contribution, NSA measurement
      6.6.3 Expanded uncertainty of the verification procedure
  6.7 Calculation of measurement uncertainty (Procedure 2)
      6.7.1 Uncertainty contribution, direct attenuation
            measurement
      6.7.2 Uncertainty contribution, NSA measurement
      6.7.3 Expanded uncertainty of the verification procedure
  6.8 Summary
7 Test methods
  7.1 Introduction
      7.1.1 Site preparation
      7.1.2 Preparation of the EUT
      7.1.3 Standard antennas
      7.1.4 Mutual coupling and mismatch loss correction
            factors
      7.1.5 Power supplies to the EUT
      7.1.6 Restrictions
  7.2 Transmitter tests
      7.2.1 Frequency error (30 MHz to 1 000 MHz)
            7.2.1.1 Apparatus required
            7.2.1.2 Method of measurement
            7.2.1.3 Procedure for completion of the results
                    sheets
            7.2.1.4 Log book entries
            7.2.1.5 Statement of results
      7.2.2 Expanded uncertainty for frequency error test
      7.2.3 Effective radiated power (30 MHz to 1 000 MHz)
            7.2.3.1 Apparatus required
            7.2.3.2 Method of measurement
            7.2.3.3 Procedure for the completion of the
                    results sheets
            7.2.3.4 Log book entries
            7.2.3.5 Statement of results
      7.2.4 Measurement uncertainty for effective radiated
            power
            7.2.4.1 Uncertainty contributions: Stage 1: EUT
                    measurement
            7.2.4.2 Uncertainty contributions: Stage 2:
                    Substitution measurement
            7.2.4.3 Expanded uncertainty of the ERP
                    measurement
      7.2.5 Spurious emissions (30 MHz to 4 GHz or 12,75 GHz)
            7.2.5.1 Apparatus required
            7.2.5.2 Method of measurement
            7.2.5.3 Procedure for completion of the results
                    sheets
            7.2.5.4 Log book entries
            7.2.5.5 Statement of results
      7.2.6 Measurement uncertainty for Spurious emissions
            7.2.6.1 Uncertainty contributions: Stage 1: EUT
                    measurement
            7.2.6.2 Uncertainty contributions: Stage 2:
                    Substitution measurement
            7.2.6.3 Expanded uncertainty of the spurious
                    emission
      7.2.7 Adjacent channel power
  7.3 Receiver tests
      7.3.1 Sensitivity tests (30 MHz to 1 000 MHz)
            7.3.1.1 Apparatus required
            7.3.1.2 Method of measurement
            7.3.1.3 Procedure for completion of the results
                    sheets
            7.3.1.4 Log book entries
            7.3.1.5 Statement of results
      7.3.2 Measurement uncertainty for Receiver sensitivity
            7.3.2.1 Uncertainty contributions: Stage 1:
                    Determination of Transform Factor
            7.3.2.2 Uncertainty contributions: Stage 2:
                    EUT measurement
            7.3.2.3 Expanded uncertainty of the receiver
                    sensitivity measurement
      7.3.3 Co-channel rejection
      7.3.4 Adjacent channel selectivity
      7.3.5 Intermodulation immunity
      7.3.6 Blocking immunity or desensitization
      7.3.7 Spurious response immunity to radiated fields
            (30 MHz to 4 GHz)
            7.3.7.1 Apparatus required
            7.3.7.2 Method of measurement
            7.3.7.3 Procedure for completion of the results
                    sheets
            7.3.7.4 Log book entries
            7.3.7.5 Statement of results
      7.3.8 Measurement uncertainty for Spurious response
            immunity
            7.3.8.1 Uncertainty contributions: Stage 1:
                    Transform factor
            7.3.8.2 Uncertainty contributions: Stage 2:
                    EUT measurement
            7.3.8.3 Expanded uncertainty of the spurious
                    response immunity measurement
Annex A: Bibliography
History

Gives background to the subject of measurement uncertainty and proposes extensions and improvements relevant to radiated measurements.