BS 6140-1:1981

National foreword
Cooperating organizations
Method
0 Introduction
1 Scope and field of application
2 References
3 Symbols
4 Units and quantities
5 Definitions
6 Characteristics to be supplied by the manufacturer
7 Electrodynamic vibration generators
8 Power amplifiers
9 Electrodynamic vibration generator and amplifier
    system
Annexes
A Typical arrangement of an electrodynamic vibration
    generator
B Methods of measurement or calculation of various
    components of electrodynamic vibration generators
Tables
1 Vibration generator
2 Power amplifier
3 Generator/amplifier system
Figures
1 Curve of maximum apparent power versus frequency
2 Total harmonic distortion as a function of apparent
    power at a given frequency
3 Total harmonic distortion as a function of frequency
    at the rated apparent power
4 Acceleration per unit current in the moving element
    coil
5 Acceleration per unit voltage across the moving
    element coil terminals
6 Apparent random power Pb
7 Typical arrangement of an electrodynamic vibration
    generator with vibrating table
8 Typical arrangement of an electrodynamic vibration
    generator with force take-off (exciter)
9 Typical arrangement for coupling an electrodynamic
    vibration generator to an auxiliary table
10 Installation diagram

Covers vibration generators, power amplifiers and generator/amplifier systems. Permits comparisons of predicted performance for systems using items from different manufacturers and gives three combinations of characteristics for particular test equipment applications.