2차 개정판입니다
Charles Pfeil
Retired PCB Layout Software Architect
In the PCB industry for over 50 years, Charles has
been a designer, owner of a service bureau, and
had engineering management and product
definition roles at Racal-Redac, ASI, Cadence,
PADS, VeriBest, Mentor Graphics, and Altium.
Most of his career was at Mentor Graphics,
where he was a software architect focused on
advanced development of PCB design tools. He
was the original product architect of Expedition
PCB, and an inventor of Team PCB, XtremePCB,
XtremeAR, and the Sketch Router. He is also the
author of BGA Breakouts and Routing.
Copyright © by Charles Pfeil 2020
2nd Edition
Significant modifications to the 1
st Edition are
indicated by a right border line.
For questions and comments
For questions and comments:
Send email to Charles Pfeil:
PCBconstraints@gmail.com
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High-Speed-Constraint-Values-v2-Pfeil.pdf
