VME FMC Carrier VFC News
VME FMC Carrier VFC
09-02-2011: SRAM tested with 100MHz accesses working fine
The 2 external SRAMS have been tested with several patterns and accesses at 100MHz.
VME FMC Carrier VFC
09-02-2011: VDADJ1 control tested
The VADJ control has been tested. It is possible to set using the digital potentiometer between 1.2V and 3.3V
VME FMC Carrier VFC
20-12-2010: FPGA programming OK. VME access works.
Test code is loaded in the System FPGA and the PROM is programmed. Both JTAG and PROM loading are working. VME access works using the same VME core as used on the DAB module.
VME FMC Carrier VFC
09-11-2010: 1st board powered...
The 1st prototype has been powered. 3 DC/DC (Vadj2, V1.5 and Vadj1) are not working. A cold soldering has been detected on one of the FB resistors. Re-soldering it didn’t solve the problem.
VME FMC Carrier VFC
09-11-2010: 2nd prototype powered
All the power supply are working on this one. It is issued from a different batch of PCBs.
VME FMC Carrier VFC
19-10-2010: 1st assembled board received
1st assembled board received, the front panel should come soon.
VME FMC Carrier VFC
15-10-2010: One assembled board in a week's time
The prototyping process found already a small problem with the specification of the solder mask of the 0402 capacitors under the BGAs. This will be corrected. One prototype board with the old masks will be provided on 22 October.
VME FMC Carrier VFC
05-07-2010: PCB layout review held
The PCB layout review has been held (3 people from BE/CO reviewed) and some minor issues have been raised that may improve signal quality and some estethics of the board.
VME FMC Carrier VFC
01-07-2010: PCB layout review scheduled for 5 July.
Three persons from BE/CO have reviewed the PCB layout. The possible improvements will be discussed on 5 July.