... | ... | @@ -56,7 +56,9 @@ Projects](https://ohwr.org/project/fmc-projects/wikis/home) |
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## PCB versions
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### Working versions
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* EDA-03287-V5 studies launched end 2021, to solve below problems and in addition cope with electronics components shortage
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* [EDA-03287-V5](https://edms.cern.ch/item/EDA-03287-V5-0/)
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* studies launched end 2021, to solve below problems and in addition cope with electronics components shortage - see also CERN internal https://gitlab.cern.ch/abt-projects/electronics/eda-03287-v5/-/blob/master/readme.md#changes-wrt-v4)
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* produced and tested Q2 2022, all good
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* [EDA-03287-V4](https://edms.cern.ch/item/EDA-03287-V4-0/)
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* Modifications required for proper operation:
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* To get rid of the N12V0 100mV ripple, place the not-mounted C1 capacitor of 150pF. This will render the LM2611 (IC2) feedback loop stable.
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|20-01-2017|designer Simon has left CERN, Pieter taking over|
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|10-08-2017|Production launch of pre-series: 12x FMC V3|
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|10-10-2017|Pre-series arrived, tests ongoing - so far so good|
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|2019|Produced series of 50x V4|
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|17-12-2021|CERN BE-OP needs 26 cards (+6 for ABT), launch V5 design with small corrections|
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|2019|Production of 50x V4 done|
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|17-12-2021|CERN BE-OP needs 24 cards (+6 for ABT), launch V5 design with small corrections|
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|17-06-2022|Production of 30x V5 done|
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