Changes between Version 3 and Version 4 of radiation/CPO2005

Timestamp:

Nov 23, 2005, 4:32:38 PM (18 years ago)

Author:

lefranco

Comment:

--

radiation/CPO2005

@@ -5 +5 @@
 [[TOC(inline)]]
 
-== Signal integrity : L0, clock, Specs ==  
+== Signal integrity : L0, clock, Specs == 
+ 
+The first two pictures represent the clock signal after 30m of RJ45 cable, 
+terminated on 100 ohms,  the two polarities are seen . The differential swing is 440-500 mv with a nominal threshold of 100mv.
+The third picture is the clock seen before the cable
 
 [[Image(TEK00000.BMP)]]
 [[Image(TEK00001.BMP)]]
 [[Image(TEK00002.BMP)]]
+
+The next 4 signals represent L0 signals: The driver drives in // the 100 ohm cable and a 45/2 ohm load.
+The signal heigth is a bit marginal but will increase after removing the loads or replacing it by 100 ohms
+
 [[Image(TEK00003.BMP)]]
 [[Image(TEK00004.BMP)]]