Electro-hydraulic circuit comprising - a fixed displacement hydraulic pump and an electric motor configured to drive the hydraulic pump in rotation; - a recovery tank configured to collect hydraulic oil; - a hydraulic actuator (BOOM, BUCKET) configured to move a work member and to be supplied by the hydraulic circuit; - an open center proportional directional electro-valve (V1, V2) operatively interposed between said fixed displacement hydraulic pump and said hydraulic actuator (BOOM, BUCKET) and comprising a release condition in which it is configured to isolate the hydraulic actuator (BOOM, BUCKET) by hydraulically connecting the hydraulic pump with the recovery tank, - a manual selector configured to select a mode of execution of a repetitive operation of the hydraulic actuator (BOOM, BUCKET); - an input device (Joystick) configured to be manipulated by a user to perform the repetitive operation of the hydraulic actuator; and - a processing unit configured: to receive a signal from the selector which corresponds to the mode of execution selected in the selector, - to receive an oscillatory signal from the input device (Joystick) which corresponds to an oscillatory movement of the input device while it is manipulated to perform the repetitive operation of the hydraulic actuator, the oscillatory signal from the input device having an amplitude and a frequency, - to determine a number of revolutions of the electric motor on the basis of the mode of execution selected in the selector and the amplitude of the oscillatory signal from the input device while it is manipulated to perform the repetitive operation, - to generate an electrical command signal for the electric motor to control the electric motor according to the determined number of revolutions, and - to determine a frequency of an electrical command signal for the electro-valve on the basis of the frequency of the oscillatory signal from the the input device while it is manipulated to perform the repetitive operation and - to generate the electrical command signal to control the electro-valve according to the determined frequency. - a fixed displacement hydraulic pump and an electric motor configured to drive the hydraulic pump in rotation; - a recovery tank configured to collect hydraulic oil; - a hydraulic actuator (BOOM, BUCKET) configured to move a work member and to be supplied by the hydraulic circuit; - an open center proportional directional electro-valve (V1, V2) operatively interposed between said fixed displacement hydraulic pump and said hydraulic actuator (BOOM, BUCKET) and comprising a release condition in which it is configured to isolate the hydraulic actuator (BOOM, BUCKET) by hydraulically connecting the hydraulic pump with the recovery tank, - a manual selector configured to select a mode of execution of a repetitive operation of the hydraulic actuator (BOOM, BUCKET); - an input device (Joystick) configured to be manipulated by a user to perform the repetitive operation of the hydraulic actuator; and - a processing unit configured: to receive a signal from the selector which corresponds to the mode of execution selected in the selector, - to receive an oscillatory signal from the input device (Joystick) which corresponds to an oscillatory movement of the input device while it is manipulated to perform the repetitive operation of the hydraulic actuator, the oscillatory signal from the input device having an amplitude and a frequency, - to determine a number of revolutions of the electric motor on the basis of the mode of execution selected in the selector and the amplitude of the oscillatory signal from the input device while it is manipulated to perform the repetitive operation, - to generate an electrical command signal for the electric motor to control the electric motor according to the determined number of revolutions, and - to determine a frequency of an electrical command signal for the electro-valve on the basis of the frequency of the oscillatory signal from the the input device while it is manipulated to perform the repetitive operation and - to generate the electrical command signal to control the electro-valve according to the determined frequency.