I had trouble with the Amazon.com link that you provided. Here is the correct one. http://www.amazon.com/Jitter-Integrity-High-Speed-Prentice-Semiconductor /dp/0132429616 Bernard -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of Mike Peng Li Sent: Monday, December 03, 2007 1:37 AM To: Zhengrong.Xu@xxxxxxxxxx; shawn.h.zheng@xxxxxxxxx Cc: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] New and lastest reference on "Jitter, Noise, and Signal Integrity at High-Speed" The answers to this question, or similar questions in the general areas of jitter, noise, and signal integrity (Xtalk included) can be found in a=3D recent publication by Prentice Hall entitled "Jitter, Noise, and Signal =3D Integrity at High Speed" at=3D20 http://www.amazon.com/Jitter-Integrity-High-Speed-Prentice-Semiconductor /=3D dp/0132429616 with ISBN-13: 978-0-13-242961-0 ISBN-10: 0-13-242961-6 Thanks! Mike =3D20 -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] =3D On Behalf Of xuzhengrong Sent: Sunday, December 02, 2007 6:10 PM To: shawn.h.zheng@xxxxxxxxx Cc: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] =3DB4=3DF0=3DB8=3DB4: Xtalk from vertical via to = horizontal tr=3D ace From some paper I also learnt that parallel-plated waveguide (PPW) noise =3D =3D3D can be excited from vias in PCBs due to the mode conversion. The excited PPW noise can propagate through a PPW composed of power and ground planes. =3D3D=3D The propagation of the PPW noise through PCBs results in resonances in transmission characteristics of signal vias due to the multiple =3D3D reflections from the edge of PCBs and coupling between signal vias.=3D3D20 I wonder how much xtalk the propagation of noise through via to via and =3D3D=3D via to trace results in, too. Appreciate for any ideas. Best Regards, Zhengrong -----=3D3DD3=3D3DCA=3D3DBC=3D3DFE=3D3DD4=3D3DAD=3D3DBC=3D3DFE----- =3D3DB7=3D3DA2=3D3DBC=3D3DFE=3D3DC8=3D3DCB: si-list-bounce@xxxxxxxxxxxxx = =3D3D [mailto:si-list-bounce@xxxxxxxxxxxxx] =3D3DB4=3D3DFA=3D3DB1=3D3DED Shawn Zheng =3D3DB7=3D3DA2=3D3DCB=3D3DCD=3D3DCA=3D3DB1=3D3DBC=3D3DE4: 2007=3D3DC4=3D3DEA12=3D3DD4=3D3DC22=3D3DC=3D 8=3D3DD5 22:07 =3D3DCA=3D3DD5=3D3DBC=3D3DFE=3D3DC8=3D3DCB: si-list@xxxxxxxxxxxxx =3D3DD6=3D3DF7=3D3DCC=3D3DE2: [SI-LIST] Xtalk from vertical via to = horizontal tra=3D ce Hi, I appreciate if you care to offer your help on the following two xtalk scenarios 1. xtalk from vertical via to horizontal trace via --| ----------------------------------------pwr | | | | ----------------------trace | --|------------------------------------gnd | -------------- Only read some literature that talk about via to via coupling. I wonder =3D3D=3D how much direct coupling is from vertical via to horizontal trace is. I = =3D3D think it is minimum since the trace is close to the ground. Let us think =3D3D differently. It is well known that the current transition through via cause voltage =3D3D=3D diff between parallel planes (pwr and gnd) fluctuates. Does the fluctuation =3D3D=3D then impact signal on the trace? 2. pwr reference impact on signal ----------------------------------------pwr ----------------------trace --------------------------------------gnd If power plane above trace is noisy but stays larger distance to trace =3D3D=3D than ground plane, how much does the power plane affect trace reference to ground? Kind of similar to the first question above. Thanks. 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