Yamamoto, Masanobu 
; Nomura, Masahiro ; Okita, Hidefumi ; Shimada, Taihei ; Tamura, Fumihiko ; Hara, Keigo*; Hasegawa, Katsushi*; Omori, Chihiro*; Sugiyama, Yasuyuki*; Yoshii, Masahito*
In order to accelerate a high intensity beam in the RCS, a large amplitude of the rf current is provided by a tube amplifier to compensate a heavy beam loading. Tetrode vacuum tubes are used in the RCS, and the control grid voltage enters into a positive region to feed such a large rf current. The positive grid biasing affects the waveform of the control grid voltage; it is deformed due to the induced control grid current under the condition of the multi-harmonic rf driving. Furthermore, the DC bias voltage drop on the control grid is observed because of the exceeding the capability for the control grid power supply. We describe the influence of the positive grid biasing in the RCS.
Language |
: | English |
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Journal |
: | Proceedings of 13th International Particle Accelerator Conference (IPAC 22) (Internet) |
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Pages |
: | p.1336 - 1338 |
Publication Year/Month |
: | 2022/06 |
Meeting title |
: | 13th International Particle Accelerator Conference (IPAC 22) |
Held date |
: | 2022/06 |
Location (city) |
: | Bangkok |
Location (country) |
: | Thailand |
Paper URL |
: |
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