Analog front-end receiver and electronic device including the same receiver

An analog front-end receiver comprising:

• a termination resistor configured to receive a first differential signal and a second differential signal from different data lines, the second differential signal being differential with respect to the first differential signal;
• an active equalizer configured to,
• receive a first input differential signal through a first input node and a second input differential signal through a second input node, the first input differential signal and the second input differential signal both having an input common mode voltage, the first input differential signal being based on the first differential signal, and the second input differential signal being based on the second differential signal, and
• output a first output differential signal to a first output node and a second output differential signal to a second output node, the second output differential signal being differential with respect to the first output differential signal;
• and
• an input common mode voltage generator configured to,
• receive a reference voltage related to the first output differential signal and the second output differential signal,
• provide a common mode current to each of the first input node and the second input node based on the reference voltage, and
• maintain the input common mode voltage within a range based on the reference voltage.

An electronic device comprising:

• a physical layer configured to,
• receive a first differential signal and a second differential signal through an interface, the second differential signal being differential with respect to the first differential signal, and
• output digital data corresponding to the first differential signal and the second differential signal;
• a link layer configured to output a control signal to a driving device based on the digital data;
• and
• the driving device in which a program is executed based on the control signal,
• wherein the physical layer includes:
• a termination resistor configured to receive the first differential signal and the second differential signal from different data lines,
• an active equalizer configured to,
• receive a first input differential signal through a first input node and a second input differential signal through a second input node, the first input differential signal and the second differential signal both having an input common mode voltage, the first input differential signal being based on the first differential signal, and the second input differential signal being based on the second differential signal, and
• output a first output differential signal to a first output node and a second output differential signal to a second output node, the second output differential signal being differential with respect to the first output differential signal, and
• an input common mode voltage generator configured to adjust the input common mode voltage to be equal to an output common mode voltage of the first output differential signal.