Speaker
Description
Over the past ten years button, strip-line, and cavity beam position monitor (BPM) electronics have been developed at the Deutsches Elektronen-Synchrotron (DESY) in Hamburg, Germany in the Machine Diagnostics and Instrumentation Group. These developments are compliant with the utca standard which is widely used on the DESY site and used in almost all diagnostics and instrumentation electronics in operation. One key requirement in the development is its compatibility with key specifications of different classes of machines such as the Free Electron Laser Hamburg (FLASH) and the European X-Ray Free Electron Laser (EXFEL) with very similar machine specifications on the one hand and machines such as the Accelerator Research Experiment at DESY (ARES) and the Plasma Wakefield Accelerator LUX on the other hand which have very different characteristics than the FEL’s. The most relevant aspect turned out to be the large charge range from less than a pC up to a few hundreds of pCs. Meeting this machine related requirement led to extra development effort in the electronics flexibility and its dynamic ranges. This paper summarizes the individual characteristics of the radio frequency (RF) receivers, firmware (FW) and software realization of the entire signal acquisition. It then shows how it is used in the different machines and indicates its performance limitations in the sense of its resolution under different types of operation.
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