[SI-LIST] NEXT and FEXT: Question on relative levels

Is it possible to have NEXT greater than FEXT.??
 

For example: For a two trace microstrip system my simulator reports 10%
NEXT (so for a 2.5V signal that translates to 250mV).

Based on the reported mutuals and self numbers and using the formula in
Eric's book I estimate 60mV for FEXT.

 

Is this reasonable?

 

Best Regards
Charles Grasso
Senior Compliance Engineer
Echostar Communications Corp.
Tel: 303-706-5467
Fax: 303-799-6222
Cell: 303-204-2974
Pager/Short Message: 3032042974@xxxxxxxx
Email: charles.grasso@xxxxxxxxxxxx;
Email Alternate: chasgrasso@xxxxxxxx

 


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