A clipping circuit comprising: a shunting circuit configured to conduct a current between a first node and a second node; a separate voltage control circuit, the voltage control circuit being configured to cause a current to flow in said shunting circuit from the first node to the second node, when a voltage difference between said first node and said second node exceeds a predetermined first threshold voltage; and to cause a current to flow in said shunting circuit from the second node to the first node, when a voltage difference between said second node and said first node exceeds a predetermined second threshold voltage; wherein the voltage control circuit comprises: a first voltage control branch configured to cause a current to flow in said shunting circuit from the first node to the second node, when a voltage difference between said first node and said second node exceeds the predetermined first threshold voltage; a second voltage control branch configured to cause a current to flow in said shunting circuit from the second node to the first node, when a voltage difference between said second node and said first node exceeds the predetermined second threshold voltage, characterised in that the first voltage control branch comprises a first resistive circuit in series with voltage limiting circuitry, wherein a first intermediate node between the first resistive circuit and the voltage limiting circuitry is connected to the shunting circuit; and in that the second voltage control branch comprises a second resistive circuit in series with the voltage limiting circuitry, wherein a second intermediate node between the second resistive circuit and the voltage limiting circuitry is connected to the shunting circuit, and wherein the voltage limiting circuitry is configured and connected to limit the voltage difference (V1-V2) between the first node and the second node, when said voltage difference exceeds the predetermined first threshold voltage and to limit the voltage difference between second node and the first node (V2-V1), when said voltage difference exceeds the predetermined second threshold voltage. a shunting circuit configured to conduct a current between a first node and a second node; a separate voltage control circuit, the voltage control circuit being configured to cause a current to flow in said shunting circuit from the first node to the second node, when a voltage difference between said first node and said second node exceeds a predetermined first threshold voltage; and to cause a current to flow in said shunting circuit from the second node to the first node, to cause a current to flow in said shunting circuit from the first node to the second node, when a voltage difference between said first node and said second node exceeds a predetermined first threshold voltage; and to cause a current to flow in said shunting circuit from the second node to the first node, when a voltage difference between said second node and said first node exceeds a predetermined second threshold voltage; wherein the voltage control circuit comprises: a first voltage control branch configured to cause a current to flow in said shunting circuit from the first node to the second node, when a voltage difference between said first node and said second node exceeds the predetermined first threshold voltage; a second voltage control branch configured to cause a current to flow in said shunting circuit from the second node to the first node, when a voltage difference between said second node and said first node exceeds the predetermined second threshold voltage, a first voltage control branch configured to cause a current to flow in said shunting circuit from the first node to the second node, when a voltage difference between said first node and said second node exceeds the predetermined first threshold voltage; a second voltage control branch configured to cause a current to flow in said shunting circuit from the second node to the first node, when a voltage difference between said second node and said first node exceeds the predetermined second threshold voltage, characterised in that the first voltage control branch comprises a first resistive circuit in series with voltage limiting circuitry, wherein a first intermediate node between the first resistive circuit and the voltage limiting circuitry is connected to the shunting circuit; and in that the second voltage control branch comprises a second resistive circuit in series with the voltage limiting circuitry, wherein a second intermediate node between the second resistive circuit and the voltage limiting circuitry is connected to the shunting circuit, and wherein the voltage limiting circuitry is configured and connected to limit the voltage difference (V1-V2) between the first node and the second node, when said voltage difference exceeds the predetermined first threshold voltage and to limit the voltage difference between second node and the first node (V2-V1), when said voltage difference exceeds the predetermined second threshold voltage.