An apparatus comprising an electronic circuit, the apparatus comprising: a transceiver including an amplification circuit ; and at least one processor coupled to the transceiver, wherein the amplification circuit comprises: a main amplifying circuit configured to amplify an input signal input through input terminals, comprising: a first path configured to generate a first current corresponding to a voltage of an input signal, a second path configured to generate a second current corresponding to the voltage of the input signal, wherein an amount of the second current is greater than an amount of the first current, a separation unit configured to control each of the first current and the second current, and a current mirror configured to generate a third current corresponding to the first current, wherein an amount of the third current is greater than the amount of the first current; an output circuit comprising a folding unit to generate an output signal on a basis of the second current and the third current; and a common-mode feedback circuit configured to generate a feedback signal from the output signal, wherein the output circuit is in communication with the main amplifying circuit and the common-mode feedback circuit. a transceiver including an amplification circuit ; and at least one processor coupled to the transceiver, wherein the amplification circuit comprises: a main amplifying circuit configured to amplify an input signal input through input terminals, comprising: a first path configured to generate a first current corresponding to a voltage of an input signal, a second path configured to generate a second current corresponding to the voltage of the input signal, wherein an amount of the second current is greater than an amount of the first current, a separation unit configured to control each of the first current and the second current, and a current mirror configured to generate a third current corresponding to the first current, wherein an amount of the third current is greater than the amount of the first current; an output circuit comprising a folding unit to generate an output signal on a basis of the second current and the third current; and a common-mode feedback circuit configured to generate a feedback signal from the output signal, a main amplifying circuit configured to amplify an input signal input through input terminals, comprising: a first path configured to generate a first current corresponding to a voltage of an input signal, a second path configured to generate a second current corresponding to the voltage of the input signal, wherein an amount of the second current is greater than an amount of the first current, a separation unit configured to control each of the first current and the second current, and a current mirror configured to generate a third current corresponding to the first current, wherein an amount of the third current is greater than the amount of the first current; a first path configured to generate a first current corresponding to a voltage of an input signal, a second path configured to generate a second current corresponding to the voltage of the input signal, wherein an amount of the second current is greater than an amount of the first current, a separation unit configured to control each of the first current and the second current, and a current mirror configured to generate a third current corresponding to the first current, wherein an amount of the third current is greater than the amount of the first current; an output circuit comprising a folding unit to generate an output signal on a basis of the second current and the third current; and a common-mode feedback circuit configured to generate a feedback signal from the output signal, wherein the output circuit is in communication with the main amplifying circuit and the common-mode feedback circuit. <EOS>