Circuit arrangement for generating a combined signal representing an actual current value, the circuit arrangement comprising detection means for detecting a measurement variable which is representative of the current, a first current measurement path having a first amplifier circuit for amplifying the measurement variable by a first amplification factor, a second current measurement path having a second amplifier circuit for amplifying the measurement variable by a second amplification factor which is different from the first amplification factor, a combining means (14, 15, 19, 20, 21) designed to generate the combined signal, output means for outputting the combined signal, characterized in that the combining means (14, 15, 19, 20, 21) is designed to generate the combined signal as a combination of the first weighted amplified measurement variable and the second weighted amplified measurement variable by means of a first weighting function and a second weighting function, the first weighting function specifying a first weighting factor for the first amplified measurement variable in accordance with a predetermined current value, and the second weighting function specifying a second weighting factor for the second amplified measurement variable in accordance with the predetermined current value, and the predetermined current value being a target value for the current to be determined or a dimming value, and the combining means (14, 15, 19, 20, 21) being designed to output only the measurement variable amplified by the first amplification factor as the combined signal if the predetermined current value is less than a first threshold value, the second amplification factor being smaller than the first amplification factor. detection means for detecting a measurement variable which is representative of the current, a first current measurement path having a first amplifier circuit for amplifying the measurement variable by a first amplification factor, a second current measurement path having a second amplifier circuit for amplifying the measurement variable by a second amplification factor which is different from the first amplification factor, a combining means (14, 15, 19, 20, 21) designed to generate the combined signal, output means for outputting the combined signal, characterized in that the combining means (14, 15, 19, 20, 21) is designed to generate the combined signal as a combination of the first weighted amplified measurement variable and the second weighted amplified measurement variable by means of a first weighting function and a second weighting function, the first weighting function specifying a first weighting factor for the first amplified measurement variable in accordance with a predetermined current value, and the second weighting function specifying a second weighting factor for the second amplified measurement variable in accordance with the predetermined current value, and the predetermined current value being a target value for the current to be determined or a dimming value, and the combining means (14, 15, 19, 20, 21) being designed to output only the measurement variable amplified by the first amplification factor as the combined signal if the predetermined current value is less than a first threshold value, the second amplification factor being smaller than the first amplification factor.