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HIGH POWER RF SYSTEM AND ITS UPGRADE PLAN FOR

M.H. Chun

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Abstract

The high power RF system for the PLS storage ring consists of four 60 kW klystron amplifiers feeding four RF cavities independently. Total klystron amplifier power of 240 kW can support the stored currents of about 400 mA at 2.0 GeV and 200 mA at 2.5 GeV. However, several insertion devices such as undulators and multi-pole wigglers will be installed in the near future so that more RF power is required. Therefore, we are going to increase the RF power by replacing 60 kW klystrons with 75 kW klystrons and adding one more RF station. This paper describes the plan to increase the RF power with 75 kW klystrons, and other necessary modifications to the present high power RF system. 1

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What this paper is about

The high power RF system for the PLS storage ring consists of four 60 kW klystron amplifiers feeding four RF cavities independently. Total klystron amplifier power of 240 kW can support the stored currents of about 400 mA at 2.0 GeV and 200 mA at 2.5 GeV. However, several insertion devices such as undulators and multi-pole wigglers will be installed in the near future so that more RF power is required. Therefore, we are going to increase the RF power by replacing 60 kW klystrons with 75 kW klystrons and adding one more RF station. This paper describes the plan to increase the RF power with 75 kW klystrons, and other necessary modifications to the present high power RF system. 1

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Available abstract

The high power RF system for the PLS storage ring consists of four 60 kW klystron amplifiers feeding four RF cavities independently. Total klystron amplifier power of 240 kW can support the stored currents of about 400 mA at 2.0 GeV and 200 mA at 2.5 GeV. However, several insertion devices such as undulators and multi-pole wigglers will be installed in the near future so that more RF power is required. Therefore, we are going to increase the RF power by replacing 60 kW klystrons with 75 kW klystrons and adding one more RF station. This paper describes the plan to increase the RF power with 75 kW klystrons, and other necessary modifications to the present high power RF system. 1

Key concepts: Klystron, Amplifier, RF power amplifier, Radio frequency, Electrical engineering, Upgrade, Power (physics), Storage ring

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