IPAC2018 - List of Authors (Ahmadi, M.A.)

Paper	Title	Page
THPAL073	Progress on 1.5 GHz Multi-kW CW Amplifier	3821
	A.V. Smirnov, R.B. Agustsson, S. Boucher, A.Y. Murokh, A.Yu. Smirnov RadiaBeam Systems, Santa Monica, California, USA M.A. Ahmadi, P. Blanchard, M.D. Mccann, C. Nguen, P.B. Peter, J. Zabek Microsemi Corporation, Aliso Viejo, USA G.R. Branner, K.S. Yuk UC Davis, Davis, USA J.J. Hartzell, K.J. Hoyt, T.J. Villabona RadiaBeam, Santa Monica, California, USA V. Khodos Sierra Nevada Corporation, Irvine, USA
	Funding: Work supported by the U.S. Department of Energy (award No. DE-SC0013136) JLab upgrade program foresees new CW amplifiers operating at 1497 MHz and significantly increased efficiency vs. existing VKL-7811 klystron. One of possibilities for the replacement is usage of high electron mobility packaged GaN transistors applied in array of highly efficient amplifiers using precise in-phase, low-loss combiners-dividers. We present here performance of novel, compact 300 W pallets developed at MicroSemi specifically for this project including their new GaN transistor, as well as significantly upgraded divider and combiner. Design features and challenges related to amplifier modules (pallets), broadband 21-way dividers/combiners, as well construction and assembling of the entire system are discussed including measurements.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-THPAL073
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Paper

Title

Page

Progress on 1.5 GHz Multi-kW CW Amplifier

3821

A.V. Smirnov, R.B. Agustsson, S. Boucher, A.Y. Murokh, A.Yu. Smirnov
RadiaBeam Systems, Santa Monica, California, USA
M.A. Ahmadi, P. Blanchard, M.D. Mccann, C. Nguen, P.B. Peter, J. Zabek
Microsemi Corporation, Aliso Viejo, USA
G.R. Branner, K.S. Yuk
UC Davis, Davis, USA
J.J. Hartzell, K.J. Hoyt, T.J. Villabona
RadiaBeam, Santa Monica, California, USA
V. Khodos
Sierra Nevada Corporation, Irvine, USA

Funding: Work supported by the U.S. Department of Energy (award No. DE-SC0013136)
JLab upgrade program foresees new CW amplifiers operating at 1497 MHz and significantly increased efficiency vs. existing VKL-7811 klystron. One of possibilities for the replacement is usage of high electron mobility packaged GaN transistors applied in array of highly efficient amplifiers using precise in-phase, low-loss combiners-dividers. We present here performance of novel, compact 300 W pallets developed at MicroSemi specifically for this project including their new GaN transistor, as well as significantly upgraded divider and combiner. Design features and challenges related to amplifier modules (pallets), broadband 21-way dividers/combiners, as well construction and assembling of the entire system are discussed including measurements.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-THPAL073

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)