AC VOLTAGE CONTROLLER Russian patent published in 2010 - IPC G05F1/10 

FIELD: electricity.

SUBSTANCE: in AC voltage controller, comprising control element of discrete action connected between inlet and outlet terminals, control inlets of which are connected to outlet of arithmetic device, connected by the first inlet to control inlets of AC voltage controller, by high-order bits of the second inlet - to source of logical zero signal, and by its low-order bit - to outlet of comparator, the first inlet of which through chain of cascade-connected shaper of clock pulses and binary counter is connected to inlet terminals of controller, converter of codes is introduced, connected by inlet to control inlet of controller, and by outlet - to the second inlet of comparator, as well as decoder, also connected by inlet to control inlet of controller, and by outlet - to control inlet of arithmetic device.

EFFECT: reduced differential non-linearity of control characteristic.

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