high speed TimeToDigital converter

The board worked well, the only problem was that we have mixed the 0603 with the metric 0603 package for ESD protection diodes, which much smaller. (the ESD protection is optional in the prototype anyway) The other possible problem is that we haven not asked for an impedance controlled PCB, which would be necessary normally, because the board deals with input signal at 20ps time precision. But we use calibration to compensate, so the cheaper PCB technology can still be used.

Oct 02,2020
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