Radio-frequency-to-baseband function-reuse receiver with shared amplifiers for common-mode and differential-mode amplification

A radio-frequency-to-baseband-function-reuse receiver with shared amplifiers for common-mode and differential-mode amplification, comprising:

• a first set network including a first input capacitor, a second input capacitor, a first node, a first output capacitor, a second output capacitor, a second node, a first transconductance amplifier having an input terminal, a second transconductance amplifier having an input terminal, a first switch, and a second switch;
• wherein the first and the second input capacitor are connected to the first node, the first and the second output are connected to the second node, wherein the first input capacitor, the first transconductance amplifier, and the first output capacitor are connected in series, wherein the second input capacitor, the second transconductance amplifier, and the second output capacitor are connected in series, wherein the first switch is connected between the input terminal of the first transconductance amplifier and the second node, wherein the second switch is connected between the input terminal of the second transconductance amplifier and the second node;
• and
• a second set network including a third input capacitor, a fourth input capacitor, a third output capacitor, a fourth output capacitor, a third transconductance amplifier having an input terminal, a fourth transconductance amplifier having an input terminal, a third switch, and a fourth switch;
• wherein the third and the fourth input capacitor are connected to the first node, the third and the fourth output are connected to the second node, wherein the third input capacitor, the third transconductance amplifier, and the third output capacitor are connected in series, wherein the fourth input capacitor, the fourth transconductance amplifier, and the fourth output capacitor are connected in series, wherein the third switch is connected between the input terminal of the third transconductance amplifier and the second node, wherein the fourth switch is connected between the input terminal of the fourth transconductance amplifier and the second node;
• wherein a radio-frequency voltage signal is input to the set networks at the first node, and four baseband voltage signals are extracted as an output at an output terminal of the first transconductance amplifier, the second transconductance amplifier, the third transconductance amplifier, and the fourth transconductance amplifier.