Termination circuit of receiver

A termination circuit of a receiver, wherein the termination circuit is configured to perform adjustment upon input signals to generate output signals for a backend circuit, and the termination circuit comprises:

• a positive input resistor and a negative input resistor, wherein the positive input resistor is coupled between a positive input terminal of the termination circuit and a first reference voltage terminal, and the negative input resistor is coupled between a negative input terminal of the termination circuit and the first reference voltage terminal;
• a positive first capacitor and a negative first capacitor, wherein the positive first capacitor is coupled between a positive first node of the termination circuit and a positive output terminal of the termination circuit, and the negative first capacitor is coupled between a negative first node of the termination circuit and a negative output terminal of the termination circuit;
• a positive first resistor and a negative first resistor, wherein the positive first resistor is coupled between the positive first node and a positive second node of the termination circuit, and the negative first resistor is coupled between the negative first node and a negative second node of the termination circuit;
• a positive second resistor and a negative second resistor, wherein the positive second resistor is coupled between the positive second node and the positive output terminal, and the negative second resistor is coupled between the negative second node and the negative output terminal;
• a positive third resistor and a negative third resistor, wherein the positive third resistor is coupled between the positive second node and a positive control terminal of the termination circuit, and the negative third resistor is coupled between the negative second node and a negative control terminal of the termination circuit;
• and
• a bias signal generator, coupled to the positive control terminal and the negative control terminal, configured to generate a positive control signal and a negative control signal to be transmitted to the positive control terminal and the negative control terminal according to a voltage level of a second reference voltage terminal of the backend circuit, wherein the positive control signal and the negative control signal are positively correlated with the voltage level of the second reference voltage terminal.