Saturday, June 23, 2012

Manufacturer's Package Data

Wednesday, June 20, 2012

SMT Expert - Bob Willis Online

Saturday, June 9, 2012

Controlled Impedance

Mantaro Impedance Calculators  Java - PCB Related Calculations

Desktop Trace Impedance Calculator Links:
AWR TxLine 2003 (Free) Excellent Tool
Saturn PCB Toolkit (Free) - PCB Design Calculator
UltraCAD Design Inc.  (Free / Buy) - Douglas Brooks
ICD has a Stackup Calculator and Offers a 14 Day Evaluation

VIA Impedance:  
Designing Controlled-impedance Vias  Thomas Neu - Texas Instruments
The Poor Man’s PCB Via Modeling Methodology  Bert Simonovich's Design Notes

Including Tolerance in Mathcad Calculations