FIELD: mechanical engineering.
SUBSTANCE: amplifier is designed for automatic systems in which fast-operating electrohydraulic high power amplifiers are used. The amplifier comprises an electronic limit control unit, first summing operational amplifier, first electronic compensating device, second summing operational amplifier, second electronic compensating device, an electronic power amplifier, an electromechanical transducer, first stage hydraulic valve, second stage hydraulic valve, third electronic compensating device, matching equipment and third stage hydraulic valve.
EFFECT: increasing reliability and accuracy of the hydraulic amplifier operation, reducing its price.
2 dwg
