RADIO RECEIVING DEVICE FOR VLF AND LF WAVE BANDS

摘要

FIELD: computer equipment.;SUBSTANCE: radio receiving device comprises: a magnetic antenna, an input aperiodic amplifier, a balanced modulator, a heterodyne, an analogue-to-digital converter, a digital filter, a digital-to-analogue converter and a microprocessor, wherein the output of the magnetic antenna is connected to the input of the input aperiodic amplifier, output of which is connected to the first input of the balance modulator, and the second input of the balance modulator is connected to the output of the heterodyne, the output of the balanced modulator is connected to the first input of the analogue-to-digital converter, second input of which is connected to first output of microprocessor, output of analogue-to-digital converter is connected to first input of digital filter, second input of which is connected to second output of microprocessor.;EFFECT: technical result is improved stability of radio receiving device parameters.;1 cl, 1 dwg