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FMC ADC 100M 14b 4cha
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News

Last edited by Dimitris Lampridis Jun 03, 2019
Page history

03-11-2011: FMC ADC in company's catalog

added by Erik van der Bij on 2011-11-03 09:36:14.917781

The FMC ADC 100M 14b 4cha FMC card designed at CERN is available as a product in the catalog of the Dutch company INCAA Computers. It is the first CERN Open Hardware product that is available this way.

10-10-2011: Feedback from fabricator improves design

added by Erik van der Bij on 2011-10-10 13:36:40.995797

INCAA, the company who will make the first series production of the ADC card, reviewed the design before production. They found a problem in the schematics (the 6 Volt rail could be 6.2 Volt) and raised an issue about the PCB layout (thermal brakes too large). These issues were handled and also some minor improvements that we had still had in the Issues list are now included in the V5 design. INCAA will produce 40 of those boards for delivery in early January 2012.

20-09-2011: Production of 40 cards starts

added by Erik van der Bij on 2011-09-20 17:01:01.679001

After a succesful price enquiry, CERN has decided to use the company INCAA Computers in The Netherlands to produce 40 FMC ADC cards. They will be delivered in January 2012. CERN needs to finalise the production test software still before shipping a test bench to INCAA.
This card is the second CERN Open Hardware product that will be produced in quantity by industry. The first one was the SPEC FMC carrier that is being produced by Seven Solutions from Spain.
Note that according to the CERN Open Hardware Licence any company may produce these designs.

29-03-2011: V2 works on the SPEC

added by Anonymous on 2011-03-29 09:46:37.231185

A first version of the firmware (single shot) has been tested on the SPEC along with a python test program.
The acquired ADC data are read from DDR3 via DMA.

25-03-2011: ADC card usable for radio telescopes?

added by Erik van der Bij on 2011-03-25 08:58:06.268136

The Oregan State University (OSU) refers to the Open ADC design on their Radio Telescope website. The aim of OSU's project is to build a small radio telescope for use in the 1 to 2 GHz range which can be used to make RF maps of interesting celestial objects and provide observational images in real time on a web site.

07-01-2011: Ten V2 boards arrived

added by Erik van der Bij on 2011-01-07 10:51:21.762071

Ten V2 boards have arrived and are ready for testing.

25-10-2010: OHR design possibly used for Hadron therapy

added by Erik van der Bij on 2010-10-25 11:40:40.538078

One of the prototype FMC ADC cards has been donated to the non-profit institution TERA. The primary objective of the TERA Foundation is the development of radiotherapy techniques based on the use of hadron particles. The ADC card, that is designed under the Open Hardware paradigm, fulfills the needs of TERA and may in the future be used to read-out detectors used in hadron therapies.

25-10-2010: Ten V2 boards will be produced

added by Erik van der Bij on 2010-10-25 11:29:03.639714

After extensive testing of the prototype card (V1), several improvements have been made. This culminated in the V2 version of which ten will be produced, to be available on a December timescale.

08-09-2010: Testing continues

added by Erik van der Bij on 2010-09-08 17:44:48.853804

The ADC board is extensively being tested. The harmonics problem seen was actually caused by the signal generator used. The I2C bus is tested and accessing the EEPROM memory, setting the sampling frequency and making temperature measurements are now possible. There appeared an issue with linearity in the 30-90 kHz region caused by offset compensation circuit. This issue, which is repeatable by simulation, is under investigation.

4-08-2010: The board is working

added by Erik van der Bij on 2010-08-04 09:41:59.143624

Since mid July we have one board plugged in on Xilinx development kit and powered. Two channels are working as limited by Xilinx development kit clock connections (we'll change our FMC connections on a V2 to cope with this). Some changes are needed to solve thermal problems. The ENOB & SNR are measured: >11 bits in all ranges. However, there seem to be still a problem with the harmonic distortion that is with -60dB somewhat higher than expected.

28-05-2010: The board is a beauty!

added by Erik van der Bij on 2010-05-28 17:45:37.285852

For bringing the SMC connectors I passed by the assembly workshop and had a chance to have a look at the three assembled PCBs. The boards look really beautiful with the four rows of black Panasonic switches clearly visible. With the gold-plated SMC connectors combined with the brushed aluminium front-plates they will look like a form of high-tech art!

3-05-2010: PCIe System Functional Spec process started

added by Javier Serrano on 2010-05-03 14:41:37.275617

See HDLSPecs.

06-04-2010 Production will start.

added by Erik van der Bij on 2010-04-12 16:42:47.870334

Twelve PCBs are ordered. Three will be mounted for prototyping. Components are ordered for ten.

24-03-2010 PCB layout review held

added by Erik van der Bij on 2010-03-24 17:18:25.823471

A very useful review (Review24032010) has been held that introduced several improvements. Overall the layout was already fine and would have given a working board. Certain of the suggested changes will make the layout better, likely improving SNR and EMC features. Other changes will improve the production process or are just cosmetical.

19-03-2010 PCB layout done. Review planned

added by Erik van der Bij on 2010-03-19 14:44:59.983696

PCB review planned for 24 March 2010.

2-03-2010 Schematics review held

added by Erik van der Bij on 2010-03-02 15:54:07.139008

The schematics review (Review02032010) revealed some serious problems and signalled other issues that will make the design more robust. Other comments will make that the documentation will be improved. The changes will be implemented before finalising the PCB layout.

24-02-2010 Draft PCB layout done. Review planned

added by Erik van der Bij on 2010-02-24 12:16:46.513020

Draft PCB layout done. Design document being written. Design review planned for 2 March. See documents here.

10-02-2010 New Design made

added by Anonymous on 2010-02-10 22:00:56.709734

New design made with 3 input ranges and programmable offset. Need to finalise local clock circuit before PCB layout can start.

2-12-2009 Project on hold

added by Anonymous on 2009-12-02 22:00:25.699073

SNR level too high with PGA. User need is to have programmable offset instead of programmable gain (S. Deghaye).

23-11-2009 Selection of components

added by Anonymous on 2009-11-23 21:59:54.366977

Selection of components

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