|
|
|
|
|
08/08/2008
 Email to a friend
|
| |
Equalisation techniques are enabling longer interconnect runs at higher data rates. By Paul Denny.
 As data rates move to 10Gbit/s and beyond, intersymbol interference (ISI) becomes a more significant problem. At these rates, ISI can cause complete eye closure within a few inches of printed circuit board trace or a few feet of copper cable. Complicating the problem, ISI can change over time and with temperature, bending and vibration.
The time varying nature of ISI means effective solutions need to adapt constantly to changing channel characteristics. Because ISI is a linear effect, it can be mitigated by applying a filter to flatten the frequency response of the channel. This process, known as equalisation, can be applied at either the transmitter or receiver.
|
|
| |
Author
Paul Denny
|
| |
| |
|
| |
|
| |
This material is protected by Findlay Media copyright 2010.
See Terms and Conditions.
One-off usage is permitted but bulk copying is not.
For multiple copies contact the sales team.
|
| |
|
|
| |
To comment on news stories or blogs you need to complete our 60 second registration process. Once completed this then allows you to download any and all white papers, register for e-zines and access our detailed supplier directory for FREE.
If you are all ready a registered user then enter your e-mail address and login.
You will need to have logged in prior to entering your comments in the boxes provided.
|