pulse-distribution-amplifier.md

@@ -2,6 +2,11 @@
 
 ## Current version PDA 2017.07
 
+Rise-time measurement on 2019-12-16. BNC-cable to 4 GHz LeCroy oscilloscope, DC 50 Ohm termination, 10%-to-90% rise time measurement result is <700 ps.
+
+![pda_rise-time_2019-12-16](uploads/aea60c5d88cfe09efa10559d16d23e45/pda_rise-time_2019-12-16.png)
+
+
 ## Past versions
 
   - [PDA2017.01](http://www.anderswallin.net/2017/01/pulse-distribution-amplifier-2017-01/)