FIELD: radio engineering, communication.
SUBSTANCE: apparatus for protecting computers comprises: a printed-circuit board 14 with circuit components, power supply contacts of the apparatus for protecting computers 1 and 2, power supply contacts GShS 3 and 4, an output contact 1 GShS 5, an output contact 2 GShS 6, GShS7, a low frequency amplifier 8, a mid-frequency amplifier 9, a high frequency amplifier 10, a high-pass filter 11, an amplitude detector 12, an audio signalling device 13, an electrodynamic audio signal emitter 15, variable resistors R2, R3, R4, R5, separating capacitors C1, C2, C3, installed jumper contacts P1, P2, P3.
EFFECT: higher reliability of protecting information from unauthorised access and loss of information due to secondary electromagnetic radiations and stray pickup.
3 cl, 2 dwg, 1 tbl
