DIFFERENTIAL AMPLIFIER CIRCUIT AND RADAR DEVICE

A differential amplifier circuit comprises: first and second input terminals; first and second output terminals; a first transistor comprising a gate terminal connected to the first input terminal; a second transistor comprising a gate terminal connected to the second input terminal; a first resistor connected between the source terminal of the first transistor and the source terminal of the second transistor; a third transistor comprising a drain terminal connected to the source terminal of the first transistor, a gate terminal connected to the drain terminal of the first transistor, and a source terminal connected to the first output terminal; a fourth transistor comprising a drain terminal connected to the source terminal of the second transistor, a gate terminal connected to the drain terminal of the second transistor, and a source terminal connected to the second output terminal; first to fourth current sources; and second and third resistors.