Operating performance of the low group delay woofer channel in PEP-II

被引：0
|
作者：
Teytelman, D [1 ]
Van Winkle, D [1 ]
Fox, J [1 ]
机构：
[1] SLAC, Menlo Pk, CA 94025 USA
来源：
2005 IEEE PARTICLE ACCELERATOR CONFERENCE (PAC), VOLS 1-4 | 2005年
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D O I：
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中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In PEP-II collider a dedicated low group-delay processing channel has been developed in order to provide high damping rates necessary to control the fast-growing longitudinal eigenmodes driven by the fundamental impedances of the RF cavities. A description of the digital processing channel operating at 9.81 MHz and capable of supporting finite impulse response (FIR) controllers with up to 32 taps will be presented. A prototype system has been successfully commissioned in the High-Energy Ring (HER) in May 2004. Operating experiences with the prototype and the newly determined limits on achievable longitudinal damping will be discussed and illustrated with experimental data.
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页码：905 / 907
页数：3
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