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Analyzing gigahertz bunch length instabilities with a digital signal processor

 

作者: Robert E. Stege,   Patrick Krejcik,   Michiko G. Minty,  

 

期刊: AIP Conference Proceedings  (AIP Available online 1992)
卷期: Volume 281, issue 1  

页码: 217-224

 

ISSN:0094-243X

 

年代: 1992

 

DOI:10.1063/1.44340

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A bunch length instability, nicknamed the ‘‘sawtooth’’, because of its transient behavior, has been observed at high current running in the Stanford Linear Collider (SLC) electron damping ring. The incompatibility of this instability with successful SLC running prompted its study using a high bandwidth real‐time spectrum analyzer, the Tektronix 3052 digital signal processor (DSP) system. This device has been used to study energy ramping in storage rings but this is the first time it has been used to study transient instability phenomena. It is a particularly valuable tool for use in understanding non‐linear, multiple frequency phenomena. The frequency range of this device has been extended through the use of radio freqeuncy (RF) down converters. This paper describes the measurement setup and presents some of the results.

 

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