added bugreport about precision degradation if the temperature it <30°C, mt

diff --git a/trb3/Trb3KnownBugs.tex b/trb3/Trb3KnownBugs.tex
index 234f9f0249ff7ed0955a368d5d2d11db401cb29d..12f85d2a51fa15dcfd499b4fdda39373904ae80a 100644 (file)
--- 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}