CIRCUIT TO DETECT VARIOUS VALUES OF VOLTAGE BASED ON OPTRON Russian patent published in 2013 - IPC G01R19/155 

FIELD: electricity.

SUBSTANCE: circuit to detect various values of voltage on the basis of an optron comprised of the following: a device to supply inlet voltage to connect to a source of voltage; an optron comprising a light-emitting diode and configured to detect presence of inlet voltage, arriving to the inlet of the device to supply inlet voltage from the source of voltage; a diode installed to connect to the device of inlet voltage supply; and the first transistor comprising a gate, a source and a drain, besides, the drain of the first transistor in the working mode is connected with the diode, and the drain of the first transistor in the working mode is connected with the optron; the optron, diode and the first transistor, installed so that the current flowing directly from the diode supplies shift voltage to the light-emitting diode of the optron, and installed so that any dispersion of power at the first transistor in response to supply of inlet voltage and current passage stays at the permissible level or below this level.

EFFECT: reduced level of cross talks in a system and reduced scattering of power.

24 cl, 6 dwg