Abstract: An active radio frequency cavity amplifier (ARFCA) is provided having a housing defining an input cavity and an output cavity; a plurality of transistors mounted to said housing, each of the plurality of transistors having an input lead and an output lead; a first RF power coupling mechanism disposed within the housing in proximity to the input cavity for coupling RF power from a source into the input cavity to generate an RF field; a first conducting assembly having a plurality of conductors each configured to contact a respective input lead of each of the plurality of transistors for coupling the RF field in the input cavity to the input leads of the plurality of transistors; a second conducting assembly having a plurality of conductors each configured to contact a respective output lead of the plurality of transistors for coupling the amplified RF power from the output leads of the plurality of transistors to the output cavity; and a second RF power coupling mechanism disposed within the housing in proximi

Abstract: An active radio frequency cavity amplifier (ARFCA) is provided having a housing defining an input cavity and an output cavity; a plurality of transistors mounted to said housing, each of the plurality of transistors having an input lead and an output lead; a first RF power coupling mechanism disposed within the housing in proximity to the input cavity for coupling RF power from a source into the input cavity to generate an RF field; a first conducting assembly having a plurality of conductors each configured to contact a respective input lead of each of the plurality of transistors for coupling the RF field in the input cavity to the input leads of the plurality of transistors; a second conducting assembly having a plurality of conductors each configured to contact a respective output lead of the plurality of transistors for coupling the amplified RF power from the output leads of the plurality of transistors to the output cavity; and a second RF power coupling mechanism disposed within the housing in proximi

Abstract: An active RF cavity is defined by a conductive wall in which a plurality of solid state power amplifiers are mounted. The solid state power amplifiers induce an RF current at an inner surface of the wall to form an oscillating electromagnetic (EM) field within the cavity. Preferably, the power amplifiers are in the form of modules that contain a number of RF power chips. The structure operates as both a power combiner and a matching transformer and is powered by a relatively low voltage d.c. source. A high-amplitude field is generated using equipment that is more efficient and much lighter in weight than conventional equipment. Such a cavity may be applied in a drift tube linac, an RF quadrupole linac, a linac having aligned cavities, and in other types of particle accelerators, and as a high power RF amplifier with the EM waves piped out via a waveguide or a coaxial cable.