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The construction and support of a wide range of RF amplifiers are significant cost components in the operation of the research community's accelerator facilities. This situation exists because amplifiers have been designed for a single application, often by multiple vendors, and therefore have very little commonality in their design, construction, and control interfaces for remote operation. To address these shortcomings, Diversified Technologies, Inc. (DTI) is developing a versatile and cost effective, modular RF amplifier design that can be employed across a wide range of RF amplifier requirements. Regardless of frequency or power, amplifiers built on this model feature commonality of design, controls system, and spares. A marriage of solid-state RF driver, power conditioning and control circuitry with high power Vacuum Electronic Device (VED) power amplifiers provide the ultimate in modular, cost-effective, and re-configurable RF power sources. In this paper, DTI will describe the modular RFA amplifier's topology and operating theory, and progress to date in the development of a prototype.
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