[SI-LIST] UltraCAD's upgraded freeware transmission line impedance calculator

UltraCAD has introduced a *NEW* freeware calculator (UCCALC.exe) that will 
replace is highly popular transmission line impedance calculator 
(ultraclc.exe) that was introduced over six years ago. The new calculator 
is significantly more powerful and accurate and is useful for all the most 
common single-ended PCB configurations. We encourage all users of the 
original one to freely upgrade to the new one. You can learn about it and 
download it from

http:\\www.ultracad.com

Note: The new calculator will also perform DIFFERENTIAL impedance 
calculations (something the original calculator did not do) but a license 
is required to activate this function.


Doug Brooks' new book, "Signal Integrity Issues and Printed Circuit Board 
Design" has just been released by Prentice Hall. See details and ordering 
info at www.ultracad.com
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