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In this paper, we report the development of a bunch-by-bunch beam position acquisition system.Through a wideband synthesizer of PLL, the system realizes synchronous clock of bunch signal. Based on the highperformance FPGA hardware DAQ environment, fourchannel raw data of beam signal can be achieved. Test results in the SSRF storage ring show that the system can obtain beam position of single bunch with the resolution of10 lm and multi-bunch instability can be observed.
In this paper, we report the development of a bunch-by-bunch beam position acquisition system. Through a wideband synthesizer of PLL, the system realizes synchronous clock of bunch signal. Based on the highperformance FPGA hardware DAQ environment, four channel raw data of beam Test results in the SSRF storage ring show that the system can obtain beam position of single bunch with the resolution of 10 lm and multi-bunch instability can be observed.