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You are here: Home » Blog » Crosstalk

Crosstalk video demonstration for stripline

December 5, 2020 by Rolf Ostergaard

A short video to demonstrate crosstalk and try to explain how that works in the stripline environment. We look at both the near-end and far-end crosstalk and also explain why that depends on the termination used.

Direct YouTube link.

In a real digital circuit, we will have one of these termination situations:

  • Open/high impedance (typical CMOS input impedance)
  • About 10-15 ohm termination (the typical output impedance of a driver)
  • Matched (typically 50 ohms) termination

In the video, we look at open and matched – you will have to interpolate for the middle case 🙂

See the video crosstalk demo on near-end and far-end crosstalk.

Crosstalk is a very important topic in signal integrity – this is the key parameter defining trace-to-trace spacing for layout. We looked at this earlier using S-parameters and just how well the simulations and measurements match.

Let me know what the next crosstalk video should look at? Maybe crosstalk for microstrip? Maybe the effect of guard traces? Or?

Filed Under: Crosstalk Tagged With: Measurement, Video

About Rolf Ostergaard

Rolf V. Ostergaard, M.Sc.EE. has worked with signal integrity in many different projects since working for 3Com in 1998 as a colleague to Lee Ritchey in Silicon Valley. While building a consulting business focused on advanced electronics and embedded software in Denmark, Rolf has been helping numerous companies with signal integrity and power integrity both as design, simulations, coaching, measurements, and troubleshooting. He started conducting training in SI in 2004 and has trained hundreds of engineers, which lead to founding EE-Training to further expand this.
You can hire Rolf to do signal integrity training and consulting worldwide and remote.

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