I.S. EN 60315-7:1998

FOREWORD
Section 1. General
1.1 Scope and object
1.2 Normative references
Section 2. General explanation of terms
2.1 DSR tuner/receiver unit
2.2 Radio frequencies for measurements
2.3 Carrier frequency
2.4 4-PSK (QPSK) modulation
2.5 Rated values
Section 3. General notes on measurements
3.1 Preliminary measurements
3.2 General conditions
3.3 Test signals
3.4 Measuring instruments
3.5 Measuring conditions
Section 4. Methods of measurement based on analogue
           modulation signals
4.1 Overall total harmonic distortion plus noise as
      a function of output voltage, modulation frequency
      and dynamic range
4.2 Intermodulation distortion
4.3 Intermodulation with the sampling signal
4.4 Overall audio-frequency response
4.5 Maximum audio output level
4.6 Overall interchannel gain difference including
      its variation with the volume control setting
4.7 Overall interchannel phase difference
4.8 Crosstalk attenuation
Section 5: Methods of measurements based on error ratios
5.1 General
5.2 Bit errors/bit error ratio due to noise in the
      RF input signal
5.3 Residual audio-signal errors (clicks) due to
      noise in the RF input signal
5.4 Change of bit error ratio and/or of residual error
      rate due to RF signal level change
5.5 Usable RF input signal level range
5.6 Change of bit error ratio and/or of residual error
      rate due to carrier frequency offset
5.7 Usable RF centre-frequency range
5.8 Error ratios due to an interference modulation
      of the carrier
5.9 Immunity against interfering radio-frequency signals
Section 6. Methods of measurement based on the display of
           additional information
6.1 General
6.2 Assessment criteria
6.3 Response of display in relation to the carrier-to-
      noise ratio
6.4 Response of display due to interfering radio-
      frequency signals
Figures
Annexes
A System information - Informative references
ZA (normative) Normative references to international
      publications with their corresponding European
      publications

Defines the conditions and methods of measurement to be used to determine the characteristics of a DSR tuner unit, so as to make possible the comparison of results of measurements achieved by different observers.