Device for protection against to - and off by an electronic unit to a dc voltage supply of feed is generated voltage interferences.

摘要

This protection device against the disturbances generated by the connection to a source of electrical power supply is continuous or disconnection of this source of an electronic assembly, on the electrical power delivered by this source comprises at least one element (t1) of variable impedance, and means (r1, c1, d1) of the control of this impedance, so that the - has a first value very high when the electronic assembly is disconnected, a second very low value when this assembly is connected, and a value that varies slowly from the first to the second value for the passage of the disconnected state to the connected, and varying rapidly from the second to the first value to the passage of the state connected to the disconnected state, the current obtained at the output of this element supplying the electronic assembly.