Abstract
The front end electronic (PMF) of the future ATLAS luminometer is described here. It is composed of a MAPMT and a compact stack of three PCBs, which deliver high voltage, route and read out of the output signals. The third board contains an FPGA and MAROC, a 64-channel ASIC, which can correct the non-uniformity of the MAPMT channels gain, thanks to a variable gain preamplifier. Its main role is to shape and discriminate the input signals at 1/3 photo-electron and produce 64 trigger outputs. Laboratory tests performed on prototype and pre-series PMFs have showed performances in good agreement with the requirements and have fulfilled the approval criteria for the final production of all elements.
| Original language | English |
|---|---|
| Pages (from-to) | 463-465 |
| Number of pages | 3 |
| Journal | Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
| Volume | 623 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Nov 2010 |
| Externally published | Yes |
Keywords
- ALFA
- ATLAS
- Front-end
- MAROC
- Photomultiplier
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