Systems and methods for modular power amplifiers

A system comprising:

• an RF generator configured to generate RF signals having a wavelength;
• a plurality of amplifiers configured to receive and amplify the RF signals from the RF generator and that are separated from each other by a separation distance approximately 0.2-10.0 times the wavelength;
• a sensor configured to detect at least one sensed characteristic associated with at least one amplifier of the plurality of amplifiers;
• and
• a power management system configured to control one or more of the plurality of amplifiers based on the sensed characteristic.