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When two adjacent signal lines transition from one signal layer, through a pair of planes, to another signal layer, the return current flows between the cavity formed by the planes. The impact of the return path discontinuity is strongest in   94 Answers 2 Comments Quiz results Public Quiz Open  This pop quiz will be answered during the next No Myths Allowed Webinar: True or false: getting the differential S-parameters are difficult because they require a special differential network analyzer.  379 Answers 5 Comments Quiz results Public Sorry, this quiz is closed.  If you listened to the last No Myths Allowed webinar, this one is easy. To build a transparent differential via, what is the most important feature to engineer?  153 Answers 1 Comments Quiz results Public Sorry, this quiz is closed.  We will have four No Myths Allowed webinars in 2009. The first one is “Practical Differential Pair Design”. What would you like to see as the next topic? Feel free to add specific comments below.  275 Answers 2 Comments Quiz results Public Sorry, this quiz is closed.  The open circuit output voltage of a driver is 1v. Its output impedance is 5 ohms. It is driving a 50 ohm transmission line. What is the initial voltage launched into the transmission line?  302 Answers 14 Comments Quiz results Public Sorry, this quiz is closed.  Without paying a premium and just using good design habits, the total ESL of an 0603 MLCC might be as low as  187 Answers 3 Comments Quiz results Public Sorry, this quiz is closed.  A data stream has a 10-90 rise time of about 300 psec. What is the approximate bandwidth of the signal?  303 Answers 8 Comments Quiz results Public Sorry, this quiz is closed.