Patent ID: 8416024

Claim:
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.