Self-bias signal generating circuit using differential signal and receiver including the same

A receiver comprising:

• a differential lane circuit including a self-bias signal generating circuit, the differential lane circuit configured to generate a digital differential output signal based on at least a pair of analog differential input signals;
• and
• at least one data lane circuit configured to generate a digital data output signal by sampling an analog data input signal,
• wherein the self-bias signal generating circuit is configured to generate an output common-mode signal based on the at least a pair of analog differential input signals, generate a self-bias signal by adjusting a voltage level of the output common-mode signal, and provide the self-bias signal to the at least one data lane circuit.

A method of generating a self-bias signal, the method comprising:

• receiving, by a differential amplifier circuit, at least a pair of differential input signals;
• generating at least a pair of differential output signals by amplifying the at least a pair of differential input signals;
• generating an output common-mode signal based on the at least a pair of differential output signals;
• generating the self-bias signal by adjusting a voltage level of the output common-mode signal;
• and
• providing the self-bias signal to the differential amplifier circuit,
• wherein providing the self-bias signal to the differential amplifier circuit comprises providing the self-bias signal to at least one data lane.