Single-ended input to differential-ended output low noise amplifier

A signal processing circuit, comprising:

• an amplifier for amplifying an input signal into an amplified signal, comprising:
• an input end for receiving the input signal;
• and
• a first output end;
• a single-ended input to differential-ended output conversion circuit for amplifying the amplified signal into a differential signal pair, comprising:
• a first transistor for receiving the amplified signal having a gate coupled to the first input end, a first terminal coupled to a second output end, and a second terminal coupled to a first node;
• a second transistor having a gate, a first terminal coupled to a third output end, and a second terminal coupled to the first node;
• a first capacitor coupled between the second output end and the gate of the second transistor;
• a first resistor coupled between the second output end and a voltage source;
• a second resistor coupled between the third output end and the voltage source;
• and
• a current source coupled between the first node and a ground;
• and
• an image-rejection mixer, comprising:
• a first signal input terminal coupled to the second output end;
• and
• a second signal input terminal coupled to the third output end,
• wherein the amplifier further comprises:
• a first inductor coupled to the input end;
• a second capacitor coupled between the first inductor and a second node;
• a second inductor coupled between the voltage source and the first output end;
• a third transistor having a gate coupled to the second node, a first terminal coupled to the first output end, and a second terminal;
• and
• a third inductor coupled between the second terminal of the third transistor and the ground.