[SI-LIST] Re: Do i have to use microstrip lines?
- From: Martyn Gaudion <martyn.gaudion@xxxxxxxxxxxxxxxxxxxx>
- To: jlray2000@xxxxxxxxx
- Date: Sun, 15 May 2005 17:26:19 +0100
Ray,
Critical parameter is the risetime of your signal.
This free critical length calculator should help
http://www.polarinstruments.com/support/cits/SP103.zip
Plus this application note:
http://www.polarinstruments.com/support/cits/Critical_length.pdf
For other related notes please look here:
http://www.polarinstruments.com/support/cits/cits_index.html
Kind regards
Martyn Gaudion
www.polarinstruments.com
At 15:38 15/05/2005, you wrote:
>Hello all,
> I am designing a high speed board. The signal rate between two
>components is 622Mbps, according to the datasheet, i have to use
>microstrip lines whose characteristic impedance is 50Omh. If i put the
>two components very close and connect the signal line as short as
>possible, can i avoid using microstrip lines? i think this frequency
>is not so high that microstirp lines have to be used. Can any one give
>any comments and ideas? Thank you a lot!
>
>--=20
>Best Regards,
>Ray Jiang
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