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| TUPKF058 |
Test Results for the New 201.25 MHz Tetrode Power Amplifier at LANSCE
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1078 |
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- J.T.M. Lyles, S. Archuletta, J. Davis, L. Lopez, G. Roybal
LANL/LANSCE, Los Alamos, New Mexico
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A new RF amplifier has been constructed for use as the intermediate power amplifier stage for the 201.25 MHz Alvarez DTL at LANSCE. It is part of a larger upgrade to replace the entire RF plant with a new generation of components. The new RF power system under development will enable increased peak power with higher duty factor. The first tank requires up to 400 kW of RF power. This can be satisfied using the TH781 tetrode in a THALES cavity amplifier. The same stage will be also used to drive a TH628 Diacrode? final power amplifier for each of the three remaining DTL tanks. In this application, it will only be required to deliver approximately 150 kW of peak power. Details of the system design, layout for DTL 1, and test results will be presented.
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