An adjustable power amplifier includes an input capacitor, an input transistor, an inductor, an output capacitor, and a gain module. The input capacitor includes a first plate and a second plate, wherein the first plate of the input capacitor is operably coupled to receive an input radio frequency (RF) signal. The input transistor includes a gate, a drain, and a source, wherein the gate of the input transistor is operably coupled to the second plate of the input capacitor and the source of the input transistor is operably coupled to a circuit ground. The inductor includes a first node and a second node, wherein the first node of the inductor is operably coupled to a power supply and the second node of the inductor is operably coupled to the drain of the input transistor. The output capacitor includes a first plate and a second plate, wherein the first plate of the output capacitor is operably coupled to the drain of the input transistor and the second node of the output capacitor provides an output of the adjustable power amplifier. The gain adjust module includes a first node and a second node, wherein the first node of the gain adjust module is operably coupled to the gate of the input transistor and the second node of the gain adjust module is operably coupled to the circuit ground, wherein the gain adjust module adjusts gain of the adjustable power amplifier in accordance with an operational-based control signal.