Abstract
The Beam Instrumentation Group (BI) is responsible for designing,building and maintaining the instrumen ts that allow observation ofthe particle beams and the measurement of related parameters for allCERN accelerators and transfer lines. This contribution is aimed togive an overview of the ongoing electronic developments within thebeam instrumentation group both to improve the performances and easethe maintenance of instrumentation in the existing machines and tomeet the requirements of future accelerators. Details on some of thechallenges and proposed technical solutions will be presented.
Highlights
A similar approach has been tried for the interfacing between the front end software and the digital acquisition systems: for the Large Hadron Collider (LHC) instrumentation Beam Instrumentation Group (BI) decided to use a VME carrier, the DAB64x developed in collaboration with Triumph, as base of its digital acquisition systems
The back-end electronics is in an advanced status: the FPGA Mezzanine Card (FMC) mezzanine has been designed and tested on a VME FMC carrier (VFC) and a first version of the firmware has been deployed on a laboratory setup
The projects presented in this paper are quite representative of the challenges BI is confronted with and the strategy the group is adopting
Summary
The DAB64x was using a custom mezzanine format, while for the VFC BI decided to adopt a VITA standard: the FPGA Mezzanine Card (FMC) known as VITA-57. The use of a standard mezzanine format opens the door to commercial modules and leaves the possibility to reuse the designed mezzanine on other carriers than the VFC if needed, improving the reusability of designs and portability. The FMC standard defines 2 connector types: the Low Pin Count (LPC) and the High Pin Count (HPC). The VFC mounts HPC connectors but implements fully only the LPC connections. The Super Proton Synchrotron (SPS) is the last element of the LHC injector chain and provides beam for the Gran Sasso experiment on neutrinos and for fixed target experiments. The MOPOS is the new SPS beam position monitoring system and is foreseen to be install it in 2013
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