FIELD: radio equipment.
SUBSTANCE: invention relates to radio engineering. Active RC-filter contains a differential operational amplifier (5) with inverting (6) and non-inverting (7) outputs and the first and second capacitors, which enables to achieve higher amplitude frequency response (AFR) steepness in the transition region and high AFC attenuation in the stopband.
EFFECT: technical result consists in increase of LFF AFR curve steepness in transition area and AFR attenuation increase in stopband.
1 cl, 3 dwg
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