FIELD: electricity.
SUBSTANCE: invention relates to an electric device for providing an output signal dependent on the electric input signal. Electric device (1) is made to provide constant output when an electric input signal is in the first range of the electric input signal, and a dependent output signal if the electric input signal is in the second range of electric input signal, wherein the dependent output signal depends on the electric input signal. Therefore, the output signal may remain unchanged, even if the input electric signal, which is, preferably, a DC supply voltage, fluctuates within the first range of the electric input signal. In addition, within the second electric input signal range the output signal can be adjusted by controlling only an electric input signal similar to the network DC voltage, without the necessary need for an additional regulation unit of the electric device.
EFFECT: invention provides increasing stability to the fluctuations of the electrical input signal and simplifying the adjustment of the output signal.
16 cl, 9 dwg
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