Low-noise amplifier suitable for use in a television receiver

A low-noise amplifier comprising:

• a first capacitor having a first terminal for receiving a first signal of a differential input signal, and a second terminal;
• a second capacitor having a first terminal for receiving a second signal of said differential input signal, and a second terminal;
• a plurality of gain stages, wherein each of said plurality of gain stages includes:
• a first resistor having a first terminal coupled to said first terminal of said first capacitor, and a second terminal;
• a second resistor having a first terminal coupled to said first terminal of said second capacitor, and a second terminal;
• first transconductance device having a first electrode coupled to said second terminal of said first resistor, a second electrode adapted to provide a first signal of a differential output signal, and a control electrode coupled to said second terminal of said second capacitor;
• a second transconductance device having a first electrode coupled to said second terminal of said second resistor, a second electrode adapted to provide a second signal of a differential output signal, and a control electrode coupled to said second terminal of said first capacitor.

A front end circuit suitable for use in a broadband television receiver, comprising:

• a transformer having a primary winding adapted to be coupled to an antenna, and a secondary winding having a first terminal for providing a first signal of a differential input signal, a second terminal for providing a second signal of said differential input signal, and a center tap coupled to a common ground terminal;
• a low noise transconductance amplifier, comprising:
• a first resistor having a first terminal for receiving said first signal, and a second terminal;
• a first transconductance device having a first electrode coupled to said second terminal of said first resistor, a second electrode for providing a first signal of first differential output signal, and a control electrode;
• a first capacitor having a first terminal coupled to said first terminal of said first resistor, and a second terminal;
• a second resistor having a first terminal for receiving said second signal, and a second terminal;
• a second transconductance device having a first electrode coupled to said second terminal of said second resistor, a second electrode for providing a second signal of said first differential output signal, and a control electrode coupled to said second terminal of said first capacitor;
• and
• a second capacitor having a first terminal coupled to said first terminal of said second resistor, and a second terminal coupled to said control electrode of said first transconductance device.