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applications). Its intended use ranges from fast data acquisition
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systems to slow control installed close to the beamlines, in a
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radioactive environment exposed to Total Ionizing Doses (TID) of up to
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700 Gy.
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700 Gy.
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The GEFE takes advantage of the Giga Bit Transceiver (GBT)/Versatile
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Link developed by the CERN PH-ESE group. This provides a rad-hard,
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high-speed (4.8 Gbps), bidirectional, optical link (named Versatile
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... | ... | @@ -21,7 +22,8 @@ The communication through the GBT/Versatile Link can be fixed and |
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deterministic in clock phase and data latency if required. In addition
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to the GBT/Versatile Link, the GEFE features a custom Electrical Serial
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Link Transceiver (ESLT), to be used in low-speed communications over
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copper cable through long distances (tested up to 2 km at 10 Mbps).
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copper cable through long distances (tested up to 2 km at 10 Mbps).
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In order to maximize the versatility, the GEFE is expanded with
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dedicated mezzanine cards through a High-Pin Count FPGA Mezzanine Card
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(FMC HPC) connector. This feature gives users the possibility of having
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with front-end electronics. For instance, the GEFE could be expanded
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with an ADC mezzanine card for sampling the analogue signals from a beam
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position monitor (BPM), or with a mezzanine card featuring a connector
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for plugging the GEFE onto the backplane of a crate.
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for plugging the GEFE onto the backplane of a crate.
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The use of an FPGA, coupled with flexible powering, clocking and FPGA
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programming schemes, provides the capability to adapt the GEFE for
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interfacing to the user\`s systems. Moreover, the variety of optical and
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... | ... | @@ -39,7 +42,7 @@ different applications where radiation tolerance is a |
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requirement.
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[![](/uploads/9e39a73b29b4181cc91f683aa75d7837/gefe_v2_top_thumb.jpg)](/uploads/146f95612ffb7b939a06cb48b3d3e0c6/gefe_v2_top.jpg)
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*Image of GEFE**
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p=.**Image of GEFE**
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## Main features
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... | ... | |