Free Routing : Autorouter

Free Interactive Router

I have not tested this router, I may look at it when time permits.

IPC-2581 File Viewers

IPC-2581 Fab File Viewer

Printed Circuit Board Manufacturing Process

Printed Circuit Board Manufacturing Process

IPC-DR-572A - Drilling GudeLines

IPC-DR-572A.pdf (application/pdf Object)

DDR2/3 Memory Made Easy - Ansoft Sims

Memory Made Easy DDR2/3 Analysis.pdf

Source Termination Resistor Location

Source Termination Resistor Location - David Norte

Source Termination Resistor Location And Its Impact On The Signal Integrity Of High Impedance Loads.

Transmission Lines and Terminations

AN246 Transmission lines and terminations with Philips Advanced Logic families

Critical Line Length per Logic Family

DDR2 Case Study - freewebs

Chapter 6. DDR2 Case Study

Excellent Analysis on the Timing Margins and Design factors that have the most impact on Jitter and Skew.

Package and PCB Resources - Analog Devices

Package and PCB Resources - Analog Devices

Altera PCB Librares for PADs and Expedition

Altera External Memory - Board Planning

emi_plan_board.pdf (application/pdf Object)

Mentor Graphics - PCB Signal and Power Integrity Tech Corner

PCB Signal and Power Integrity Tech Corner

Altera High Speed - Board Design Resource Center

Board Design Resource Center

www.icd.com.au/

ICD has some excellent Design Notes an Tips for High speed Designers

http://www.icd.com.au/

DDRx_AN2010.pdf

DDRx_AN2010.pdf (application/pdf Object)

JEDEC Home Page

Home | JEDEC

Mouser Search Accelerator - Mouser.com

Mouser has an interesting tool for part searches. 

Mouser Search Accelerator

Finding Connectors - FCI MezzSelect

FCI - MezzSelect Connector Selector

PCB Edge Inside Corner Radius

The inside radius of an inside corner is based on standard router bits.


Standard router bit diameters are .062", .093" and .100".

 The most common router bit used is the .062", so your inside radius would typically be .031".