FIELD: metrology.
SUBSTANCE: invention relates to metrology, audio hardware, particularly to alternating voltage amplifiers, electric charge amplifiers widely used for normalising the signals of piezoelectric transducers, ionisation radiation detectors, photo receivers. It provides for conditions of interaction of input blocking RC-circuits with the amplifier inner structure circuits with the amplifier transmitting function becoming equal to real number.
EFFECT: multiple reduction of the amplifier blocking capacitance value without increasing the frequency distortion level.
3 cl, 7 dwg
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