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Description
The MTCA.4 BPM system has been set up using two newly developed modules: DAMC-UNIZUP (by DESY) and 2BPMRTM (by I-Tech). The modules have been installed in a prototype NATIVE server R1 and connected to NSLS-II spare BPMs. To test the performance of the electronics alone, a BPM button signal was split using a four-way splitter and routed to the switching matrix module. Due to tunnel access constraints, the module was installed in the electronics rack rather than in close proximity to the BPM. The system was configured to process two non-overlapping, low-current bunches within a fill pattern independently, while simultaneously providing turn-by-turn readout. Intensity dependence was verified during machine filling, and a 12-hour stability test was performed under user beam conditions. The effectiveness of the external switching module was assessed by introducing controlled physical disturbances to the RF cables. This paper presents the results and the estimated measurement performance of the BPM system.
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