An analog baseband filter for a multi-mode multi-band radio transceiver, the analog baseband filter comprising: a low pass filter (LPF; 423); a current-voltage conversion amplifier electrically coupled to the low-pass filter and configured to: convert a current received through an input of the analog baseband filter into a common mode voltage, and adjust a gain of the current-voltage conversion amplifier; and wherein the current-voltage conversion amplifier includes: a source follower circuit comprising a first differential input and a second differential input and configured to compensate for an output voltage of the current-voltage conversion amplifier according to temperature, a first resistor part including a first resistor and a second resistor configured to generate the common mode voltage using the first resistor and the second resistor, and a second resistor part including at least two resistors and at least one switch connected to the at least two resistors for adjusting the gain of the current-voltage conversion amplifier according to operations of the at least one switch (SW1-SW5), wherein the at least two resistors and one switch are connected in series between the first differential input and the second differential input, wherein the first resistor is connected between the first differential input and a ground and the second resistor is connected between the second differential input and the ground, wherein the source follower circuit comprises a P-channel Metal Oxide Semiconductor, PMOS, transistor having a temperature coefficient whose sign is opposite to that of a temperature coefficient of the resistors of the first resistor part, or an N-channel Metal Oxide Semiconductor, NMOS, transistor having a temperature coefficient whose sign is the same as that of a temperature coefficient of the resistors of the first resistor part. a low pass filter (LPF; 423); a current-voltage conversion amplifier electrically coupled to the low-pass filter and configured to: convert a current received through an input of the analog baseband filter into a common mode voltage, and adjust a gain of the current-voltage conversion amplifier; and convert a current received through an input of the analog baseband filter into a common mode voltage, and adjust a gain of the current-voltage conversion amplifier; and wherein the current-voltage conversion amplifier includes: a source follower circuit comprising a first differential input and a second differential input and configured to compensate for an output voltage of the current-voltage conversion amplifier according to temperature, a first resistor part including a first resistor and a second resistor configured to generate the common mode voltage using the first resistor and the second resistor, and a second resistor part including at least two resistors and at least one switch connected to the at least two resistors for adjusting the gain of the current-voltage conversion amplifier according to operations of the at least one switch (SW1-SW5), a source follower circuit comprising a first differential input and a second differential input and configured to compensate for an output voltage of the current-voltage conversion amplifier according to temperature, a first resistor part including a first resistor and a second resistor configured to generate the common mode voltage using the first resistor and the second resistor, and a second resistor part including at least two resistors and at least one switch connected to the at least two resistors for adjusting the gain of the current-voltage conversion amplifier according to operations of the at least one switch (SW1-SW5), wherein the at least two resistors and one switch are connected in series between the first differential input and the second differential input, wherein the first resistor is connected between the first differential input and a ground and the second resistor is connected between the second differential input and the ground, wherein the source follower circuit comprises a P-channel Metal Oxide Semiconductor, PMOS, transistor having a temperature coefficient whose sign is opposite to that of a temperature coefficient of the resistors of the first resistor part, or an N-channel Metal Oxide Semiconductor, NMOS, transistor having a temperature coefficient whose sign is the same as that of a temperature coefficient of the resistors of the first resistor part.