Design and research of characteristics of the analog acoustic noise generator

The paper offers a diagram of the analog noise generator of the vibroacoustic masking system designed by means of the NI Multisim software for simulation of the electronic circuits and a technique of research of its main characteristics. It describes requirements to noise generators of vibro-acoustic security systems. It formulates the main tasks in the simulation of vibro-acoustic security device. The paper presents a block diagram of an analog noise generator, concepts of its elements, oscillograms and spectra of signals at control points. It researches interfering features of noise signal and the degree of its approximation to the ideal “white” noise. It is shown that the designed noise generator meets all requirements, and the obtained results can be used in laboratory works under the curricula course “Technical Data Protection”.