Impedance matching arrangement for amplifier having split shunt capacitor and amplifier including the same

An amplifier, comprising:

• an input port and an output port;
• first, second, and third gain elements, each having an input terminal and an output terminal;
• an input matching network connected between the input port and the input terminals of the first, second, and third gain elements;
• and
• an output matching network connected between the input port and the output terminals of the first, second, and third gain elements,
• wherein the input matching network comprises:
• a first input capacitor having a first electrode and having a second electrode connected to a supply voltage,
• a second input capacitor having a first electrode and having a second electrode connected to the supply voltage,
• a first input inductor connected between the input port and the first electrodes of the first and second input capacitors;
• a second input inductor connected between the first electrode of the first input capacitor and the input terminal of the first gain element,
• a third input inductor connected between the first electrode of the first input capacitor and the input terminal of the second gain element,
• a fourth input inductor connected between the first electrode of the second input capacitor and the input terminal of the second gain element, and
• a fifth input inductor connected between the first electrode of the second input capacitor and the input terminal of the third gain element, and
• wherein the output matching network comprises:
• first output capacitor having a first electrode and having a second electrode connected to the supply voltage,
• a second output capacitor having a first electrode and having a second electrode connected to the supply voltage,
• a first output inductor connected between the output port and the first electrodes of the first and second output capacitors;
• a second output inductor connected between the first electrode of the first output capacitor and the output terminal of the first gain element,
• a third output inductor connected between the first electrode of the first output capacitor and the input terminal of the second gain element,
• a fourth output inductor connected between the first electrode of the second output capacitor and the output terminal of the second gain element, and
• a fifth output inductor connected between the first electrode of the second output capacitor and the output terminal of the third gain element.