Driver of ethernet transmitter and control method therefor

A driver of an ethernet transmitter, wherein the driver has a first output port and a second output port which are connected to an ethernet receiver through a transmission line, and comprises a signal conversion circuit, a first driving circuit and a second driving circuit, wherein,

• the signal conversion circuit comprises an operational amplifier for converting differential current signals into different voltage signals, and is connected to a previous-stage circuit, and is configured to convert differential current signals provided by the previous-stage circuit into a first voltage signal and a second voltage signal and transmit the first voltage signal and the second voltage signal to the first driving circuit and the second driving circuit, respectively,
• the first driving circuit is connected between a first output terminal of the signal conversion circuit and the first output port, and is configured to adjust a swing of the first voltage signal, so as to obtain a first output signal at the first output port, wherein the first output signal has a voltage equal to the first voltage signal, and
• the second driving circuit is connected between a second output terminal of the signal conversion circuit and the second output port, and is configured to adjust a swing of the second voltage signal, so as to obtain a second output signal at the second output port, wherein the second output signal has a voltage equal to the second voltage signal.