A passive mixer device that operates in a first mode and in a second mode, comprising: a first transistor with a source lead and a drain lead; a second transistor with a source lead and a drain lead; a third transistor with a source lead and a drain lead; a fourth transistor with a source lead and a drain lead, wherein a plus phase of a differential radio frequency input signal is present on each of the source leads of the first, second, third and fourth transistors; a first switch (54, 55) coupled to the drain lead of the second transistor, wherein the drain lead of the first transistor is coupled to the drain lead of the second transistor through the first switch when the first switch is closed in the first mode; a fifth transistor with a source lead and a drain lead; a sixth transistor with a source lead and a drain lead; a seventh transistor with a source lead and a drain lead; a eighth transistor with a source lead and a drain lead, wherein a minus phase of the differential radio frequency input signal is present on each of the source leads of the fifth, sixth, seventh and eighth transistors; a second switch (60, 61) coupled to the drain lead of the sixth transistor, wherein the drain lead of the fifth transistor is coupled to the drain lead of the sixth transistor through the second switch when the second switch is closed in the first mode; and a third switch (50, 51) that is open in the first mode, wherein the drain lead of the second transistor is coupled through the third switch to the drain lead of the sixth transistor when the third switch is closed in the second mode, wherein the first switch and the second switch are open in the second mode; wherein each of the first, second, third, fourth, fifth, sixth, seventh and eighth transistors has a gate lead, wherein a minus-phase of an oscillator signal is present on the gate leads of the first, second, fifth and sixth transistors, and wherein a plus-phase of the oscillator signal is present on the gate leads of the third, fourth, seventh and eighth transistors; and wherein a plus phase of a differential baseband output current is present on the drain lead of the first transistor, and wherein a minus phase of the differential baseband output current is present on the drain lead of the fifth transistor and wherein the drain lead of the third transistor is coupled to the drain lead of the sixth transistor, wherein the drain lead of the fourth transistor is coupled to the drain lead of the fifth transistor, wherein the drain lead of the seventh transistor is coupled to the drain lead of the second transistor, and wherein the drain lead of the eighth transistor is coupled to the drain lead of the first transistor. a first transistor with a source lead and a drain lead; a second transistor with a source lead and a drain lead; a third transistor with a source lead and a drain lead; a fourth transistor with a source lead and a drain lead, wherein a plus phase of a differential radio frequency input signal is present on each of the source leads of the first, second, third and fourth transistors; a first switch (54, 55) coupled to the drain lead of the second transistor, wherein the drain lead of the first transistor is coupled to the drain lead of the second transistor through the first switch when the first switch is closed in the first mode; a fifth transistor with a source lead and a drain lead; a sixth transistor with a source lead and a drain lead; a seventh transistor with a source lead and a drain lead; a eighth transistor with a source lead and a drain lead, wherein a minus phase of the differential radio frequency input signal is present on each of the source leads of the fifth, sixth, seventh and eighth transistors; a second switch (60, 61) coupled to the drain lead of the sixth transistor, wherein the drain lead of the fifth transistor is coupled to the drain lead of the sixth transistor through the second switch when the second switch is closed in the first mode; and a third switch (50, 51) that is open in the first mode, wherein the drain lead of the second transistor is coupled through the third switch to the drain lead of the sixth transistor when the third switch is closed in the second mode, wherein the first switch and the second switch are open in the second mode; wherein each of the first, second, third, fourth, fifth, sixth, seventh and eighth transistors has a gate lead, wherein a minus-phase of an oscillator signal is present on the gate leads of the first, second, fifth and sixth transistors, and wherein a plus-phase of the oscillator signal is present on the gate leads of the third, fourth, seventh and eighth transistors; and wherein a plus phase of a differential baseband output current is present on the drain lead of the first transistor, and wherein a minus phase of the differential baseband output current is present on the drain lead of the fifth transistor and wherein the drain lead of the third transistor is coupled to the drain lead of the sixth transistor, wherein the drain lead of the fourth transistor is coupled to the drain lead of the fifth transistor, wherein the drain lead of the seventh transistor is coupled to the drain lead of the second transistor, and wherein the drain lead of the eighth transistor is coupled to the drain lead of the first transistor.