Very low output-impedance RF system for a proton synchrotron withlow drive power requirements |
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Authors: | Irie Y Takano S |
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Affiliation: | KEK, High Energy Accel. Res. Organ., Ibaraki; |
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Abstract: | In order to solve a power consumption problem of the driver stage in the cathode-follower RF system, a grid-cathode driving scheme is investigated by means of an isolation transformer. A very low output impedance can be realized together with a voltage gain a few tens of times higher than that of a cathode-follower. The model system has been tested under frequency modulation in the 1-3-MHz range at 40-Hz repetition; the output impedance is less than 30 Ω and the driver voltage 62 V to produce a 1.2-kV peak at the cavity gap |
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