EN 300 761-1 : 1.2.1

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Symbols
   3.3 Abbreviations
4 General requirements
   4.1 General requirements
   4.2 Presentation of equipment for testing purposes
   4.3 Mechanical and electrical design
   4.4 Interpretation of the measurement results
5 Test conditions, power sources and ambient
   temperatures
   5.1 Normal and extreme test conditions
   5.2 Test power source
   5.3 Normal test condition
   5.4 Extreme test condition
6 General conditions
   6.1 Test signals and test modulation
   6.2 Modes of operation of the transmitter
   6.3 Encoder for receiver measurements
   6.4 Facilities for accessance with the essential
       requirements EC Council Directives
   6.5 Artificial antenna
   6.6 Test fixture
   6.7 Test sites and general arrangements for
       radiated measurements
7 Methods of measurement and limits for interrogator
   transmitter parameters
   7.1 Equivalent isotropically radiated power
   7.2 Frequency error
   7.3 Transmitter spectrum mask
   7.4 Modulation index
   7.5 Eye pattern
   7.6 Radiated spurious emissions
   7.7 Duty cycle
8 Methods of measurement and limits for interrogator
   receiver parameters
   8.1 Maximum usable sensitivity
   8.2 Error behaviour at high wanted input signals
   8.3 Degradation measurement
   8.4 Spurious emissions
9 Method of measurements and limits for transponders
   9.1 Transponder sensitivity
   9.2 Transponder wake-up protection
   9.3 Transponder conversion gain
   9.4 Transponder spurious radiation
10 Measurement uncertainty
Annex A (normative): Radiated measurements
      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 a fully anechoic RF chamber
Annex B (normative): General description of
        measurement methods
      B.1 Conducted measurements
      B.2 Radiated measurement
Annex C (normative): Receiver methods of
        measurements using messages
      C.1 General
      C.2 Test signals
      C.3 Method of measurement for receiver sensitivity
      C.4 Method of measurements for receiver degradation
Annex D (informative): Clauses of the present document
        relevant for compliance with the essential
        requirements EC Council Directives
      D.1 Compliance with 1999/5/EC (R&TTE Directive)
          article 3.3e
Bibliography
History

Describes various Railway applications where the data transmission of the system will be active only during the presence of the train and covers fixed installed interrogators (TUs) and transponders (mobile stations).