Embodiments relate to an interface circuit (100) comprising an transmitter branch comprising a controllable circuit arrangement (30) which is configured to provoke, in accordance with a control pulse, a first interface state or a second interface state, and a control pulse formation circuit (70) which is configured to produce, in accordance with a control signal, the control pulse for the controllable circuit arrangement (30), said control pulse formation circuit (70) comprises a signal edge steepness slowing down circuit (80) which is configured to slow down a first edge direction of the control pulse, essentially without influencing the edges in a second direction of the control pulse.
