Drive circuit having the transmission circuit and method for operating
2012
Disclosed is a method and a drive circuit with transmission circuit for transmitting a signal over a potential barrier away from a first potential side with the first ground potential to a second potential side with a second ground potential, with a capacitively acting transmission device with capacitive coupling introduced between the first and the second potential side. Here, if the transfer device to a precisely or two branches, which have in turn each comprise a first and a second sub-branch in which the capacitive coupling between first and second potential side is formed at each sub-branch by a series circuit of a plurality of first and second high-voltage capacitors, which in turn each form a series circuit with an associated capacitor to the second potential side, being present within the respective transmission branch the signal directly to a first sub-branch and via a second inverter to a second sub-branch, and wherein the case of two branches of a signal at the input directly to the oN-transmission branch, and is applied via a first inverter to the OFF-transmission branch.
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