FIELD: radio engineering, communication.
SUBSTANCE: unlike the existing high-speed analogue-to-digital converter with a differential input, in the present invention a first input voltage source is connected to the input of a first additional buffer amplifier, the output of which is connected to first inputs of each voltage comparator through corresponding balancing capacitors of a first group, and the second input antiphase voltage source is connected to the input of a second additional buffer amplifier, the output of which is connected to second inputs of each voltage comparator through corresponding balancing capacitors of a second group.
EFFECT: multifold expansion of the frequency range of processed input signals of an analogue-to-digital converter by reducing the transmission error of input differential voltages from sources to voltage comparator inputs.
2 cl, 8 dwg
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