Quad TVS protection circuit for an electronic DSL component

A protection circuit for use with an electronic DSL component having a tip connection and a ring connection, said protection circuit comprising:

• a first unidirectional transient-voltage-suppression (TVS) diode array, having a negative breakdown voltage BDV and a diode forward voltage DV connected between a supply voltage (Vcc) and the tip connection of the DSL component;
• a second unidirectional TVS diode array, having a negative breakdown voltage BDV and a diode forward voltage DV connected between the tip connection of the DSL component and a negative ground clamp node;
• a third unidirectional TVS diode array, having a negative breakdown voltage BDV and a diode forward voltage DV connected between Vcc and the ring connection of the DSL component;
• and
• a fourth unidirectional TVS diode array, having a negative breakdown voltage BDV and a diode forward voltage DV connected between the ring connection of the DSL component and the negative ground clamp node;
• wherein the tip connection to the Vcc via the first unidirectional TVS diode array and the ring connection to the Vcc via the third unidirectional TVS diode array forms an electrostatic common mode clamp conduction path so as to provide a negative common mode (CM) negative signal clamp for Vcc.