Speaker
Description
In the upgraded accelerator of the China Spallation Neutron Source Phase II (CSNS-II) project, several multi-channel beam diagnostic detectors are installed, including a Ionization Profile Monitor (IPM) for measuring the injection beam profile and a Multi-Wire Profile Monitor for measuring the target beam profile. In the China Spallation Neutron Source (CSNS), similar multi-channel detectors typically utilize multiple PXIe acquisition cards to construct a PXIe-based signal acquisition system, which suffers from high cost and limited flexibility. This paper presents an alternative signal readout solution using a multi-channel high-speed digitizer to replace the PXIe system. The digitizer incorporates built-in front-end amplification functionality, eliminating the need for separate analog electronics for signal amplification. With a maximum sampling rate of 125 MS/s, it fully meets the sampling requirements for the beam pulse width in the CSNS-II Rapid Cycling Synchrotron (RCS), which ranges from 500 ns to 80 ns. Moreover, the multi-channel signal acquisition system implemented with this digitizer offers high integration and reduced cost compared to the PXIe system, making it an ideal choice for beam diagnostics systems.
| In which format do you inted to submit your paper? | Word |
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