Ringing suppression circuit

A ringing suppression circuit, applicable to a transmitter module in a controller area network (CAN), comprising:

• a CANH driver circuit, comprising at least one first transistor, at least one second transistor and at least one third transistor, wherein the at least one first transistor is electrically connected with a supplied voltage, the at least one second transistor and the at least one third transistor, the at least one second transistor is electrically connected with the supplied voltage, the at least one first transistor and the at least one third transistor, the at least one third transistor is electrically connected with the at least one first transistor, the at least one second transistor and a ground, and the at least one first transistor, the at least one second transistor and the at least one third transistor are sequentially turned on;
• a first operable circuit, being electrically connected with the supplied voltage, the ground and the CANH driver circuit, and the first operable circuit transmitting a CAN high signal (CANH);
• a CANL driver circuit, comprising at least one fourth transistor, at least one fifth transistor and at least one sixth transistor, wherein the at least one fourth transistor is electrically connected with the at least one fifth transistor, the at least one sixth transistor and the ground, the at least one fifth transistor is electrically connected with the at least one fourth transistor, the at least one sixth transistor and the ground, the at least one sixth transistor is electrically connected with the at least one fourth transistor, the at least one fifth transistor and the supplied voltage, and the at least one fourth transistor, the at least one fifth transistor and the at least one sixth transistor are sequentially turned on;
• a second operable circuit, being electrically connected with the supplied voltage, the ground and the CANL driver circuit, and the second operable circuit transmitting a CAN low signal (CANL);
• and
• a termination component, being electrically connected between the first operable circuit and the second operable circuit, such that a first end of the termination component is electrically connected with the CAN high signal (CANH) and a second end of the termination component is electrically connected with the CAN low signal (CANL).