NBN EN 62121 : 2002

1 Scope and object
2 Normative references
3 Terms and definitions
4 Information required from manufacturers of MD recorders
   4.1 Introduction
   4.2 Identification
   4.3 Mechanical characteristics
   4.4 Electrical characteristics
   4.5 Environmental conditions
   4.6 Mechanical performance requirements
   4.7 Electrical performance requirements
   4.8 Results of measurement
5 Measuring conditions
   5.1 Introduction
   5.2 Environmental conditions
   5.3 Power supply
   5.4 Input conditions
   5.5 Output condition
   5.6 MD recorder setting
   5.7 Other conditions
   5.8 Test disc
   5.9 Performance claims
   5.10 Measuring equipment
   5.11 Additional considerations
6 Measurement of mechanical parameters
   6.1 Shock and vibration resistance
   6.2 Acoustic noise
7 Measurement of electrical parameters
   7.1 Maximum power consumption
   7.2 Frequency response
   7.3 Signal to noise ratio
   7.4 Dynamic range
   7.5 Distortion and noise
   7.6 Channel separation
   7.7 Deviation of emphasis characteristic
   7.8 Modulation distortion
   7.9 Phase difference between channels
   7.10 Minimum input level
   7.11 Output voltage
   7.12 Pitch deviation
   7.13 Access times
   7.14 Trackability
Annex A (normative) Test disc requirements
Annex B (informative) Table of measurements - Results
Annex C (informative) Available test disc
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Figure A.1 - Sweep signal
Tables