Design and characterization of 50 kW solid-state RF amplifier

Author:

Jain Akhilesh,Hannurkar P. R.,Sharma D. K.,Gupta A. K.,Tiwari A. K.,Lad M.,Kumar R.,Gupta P. D.,Pathak S. K.

Abstract

Radio frequency (RF) and microwave amplifier research has been largely focused on solid-state technology in recent years. This paper presents design and performance characterization of a 50-kW modular solid-state amplifier, operating at 505.8 MHz. It includes architecture selection and design procedures based on circuit and EM simulations for its building blocks like solid-state amplifier modules, combiners, dividers, and directional couplers. Key performance objectives such as efficiency, return loss, and amplitude/phase imbalance are discussed for this amplifier for real-time operation. This amplifier is serving as the state-of-the-art RF source in Indus-2 synchrotron radiation source. Characterization on component level as well as system level of this amplifier serves useful data for RF designers working in communication and particle accelerator fields.

Publisher

Cambridge University Press (CUP)

Subject

Electrical and Electronic Engineering

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