Importance

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Abstract

A circuit arrangement may include: a half-bridge arrangement with a half-bridge center point, connected to an intermediate circuit voltage with a reference potential and a feed voltage potential; a lamp inductor connected at one end to the half-bridge center point; a starting stage connected to the other end of the lamp inductor and to the intermediate circuit voltage; a first switch connected between the reference potential and the starting stage; a series circuit of a first and a second capacitor connected to the intermediate circuit voltage; terminals for connecting a high-pressure discharge lamp, a first terminal being connected to the starting stage and a second terminal being connected to a node between the first and second capacitors; a two-port network, a first port of said two-port network connected to the starting stage and a second port of said two-port network connected to the node between the first and second capacitors.

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First Claim