Signal separator, has current transmitter transmitting measuring current to output circuit, working resistor connected at output, and control/amplifier circuit having linear controller that is arranged downstream to switching controller

摘要

The signal separator has an input (1, 2) for a signal current, and a potential separated direct current transmitter provided downstream to the input. The transmitter transmits a measuring current to an output circuit, which exhibits a control/amplifier circuit for supplying an output current (I3) to an output corresponding the measuring current. A working resistor (RB) is connected at the output, and the control/amplifier circuit comprises a linear controller (LR), which is arranged downstream to a switching controller (SR).