From a2444df3d300e9907bfef08cd619dce88faa67a9 Mon Sep 17 00:00:00 2001 From: Michael Traxler Date: Fri, 30 Jul 2021 01:19:28 +0200 Subject: [PATCH] =?utf8?q?added=20bugreport=20about=20precision=20degradat?= =?utf8?q?ion=20if=20the=20temperature=20it=20<30=C2=B0C,=20mt?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit --- trb3/Trb3KnownBugs.tex | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/trb3/Trb3KnownBugs.tex b/trb3/Trb3KnownBugs.tex index 234f9f0..12f85d2 100644 --- a/trb3/Trb3KnownBugs.tex +++ b/trb3/Trb3KnownBugs.tex @@ -12,7 +12,10 @@ \end{itemize*} -\subsection{TRB3/TRB3sc Temperature Effect} + +\begin{warning} + +TRB3/TRB3sc Temperature Effect We observed that the time precision of the FPGA-TDC in the ECP3 FPGAs (on TRB3 and TRB3sc) degrades dramatically (from the well known <20ps RMS to up to @@ -23,6 +26,6 @@ FPGA temperature high enough is known. This effect is not seen on any board with the ECP5 FPGA (tested by cooling down 50 FPGAs on the TRB5sc-boards). - +\end{warning} -- 2.43.0