Screen driver for a screen conductor (IS1, IS2, IS3, IS4) in order to use at least a first inner conductor of a cable for signal transmission, with a signal input which can be connected to the inner conductor, and a signal output, which can be connected to the screen conductor, characterized in that the screen driver is designed in such a way that, at least in a first operating mode, it has the transmission function in the frequency range H(s)=(s+b)/(s+a)*(a/b), 's' being a complex variable and 'a' and 'b' being constant coefficients, wherein the screen driver has the following circuit: the signal input of the screen driver is defined by the positive input of a first operational amplifier and the output of the first operational amplifier is the signal output of the screen driver which is connected to the negative input of the first operational amplifier, the signal output of the screen driver is furthermore connected to the screen conductor via a second operational amplifier, wherein the signal output of the screen driver is connected to the positive input of the second operational amplifier via a first resistor, and the screen conductor is connected to an output of the second operational amplifier, and the output of the second operational amplifier is connected to the negative input of the second operational amplifier; furthermore an RC element constituting a capacitor and a second resistor connected in series between the first resistor and the positive input of the second operational amplifier is connected to a ground potential, wherein, when the screen driver is switched on, a first voltage is applied between the signal output of the screen driver and the ground potential via the first resistor and the RC element (R2, C), and a second voltage is applied between the positive input of the second operational amplifier and the ground potential via the RC element (R2, C), such that the following transmission function applies H(s) = U2/U1: U 2 / U 1 = 1 + s * R 2 * C / 1 + s * R 1 + R 2 * C. the signal input of the screen driver is defined by the positive input of a first operational amplifier and the output of the first operational amplifier is the signal output of the screen driver which is connected to the negative input of the first operational amplifier, the signal output of the screen driver is furthermore connected to the screen conductor via a second operational amplifier, wherein the signal output of the screen driver is connected to the positive input of the second operational amplifier via a first resistor, and the screen conductor is connected to an output of the second operational amplifier, and the output of the second operational amplifier is connected to the negative input of the second operational amplifier; furthermore an RC element constituting a capacitor and a second resistor connected in series between the first resistor and the positive input of the second operational amplifier is connected to a ground potential, wherein, when the screen driver is switched on, a first voltage is applied between the signal output of the screen driver and the ground potential via the first resistor and the RC element (R2, C), and a second voltage is applied between the positive input of the second operational amplifier and the ground potential via the RC element (R2, C), such that the following transmission function applies H(s) = U2/U1: U 2 / U 1 = 1 + s * R 2 * C / 1 + s * R 1 + R 2 * C.