RE: Component substitutions

2003-11-03 Thread John Allen
: Bailey, Jeff; IEEE_EMC PSTC Subject: RE: Component substitutions Jeff, Australian Handbook for Suppliers, available from the ACA website. Has some guidelines on when to re-test. I don't have the url handy; but I have a pdf, which I can email to you, if you like. I know that this is jus

RE: Component substitutions

2003-11-03 Thread francesco.campede...@transport.alstom.com
The following link suggests an interesting approach based upon Risk Assessment Techniques: http://www.tridatacom.co.uk/Downloads/EDRA/EDRA_York2003.pdf I don't believe that this metodology is considered in any standard (at least so far ... ) Regards ing. Francesco Campedelli R&D - HW Design A

Re: Component substitutions

2003-10-31 Thread Fred Townsend
Jeff I don't think I have ever seen the issue of component subs addressed before except by the FDA which says if you change anything you have to start all tests over again. I agree PCB or clock changes are a no brainier. Beyond that I would say any magnetic change... transformer, choke, etc. or me

RE: Component substitutions

2003-10-31 Thread Chris Maxwell
Jeff, Australian Handbook for Suppliers, available from the ACA website. Has some guidelines on when to re-test. I don't have the url handy; but I have a pdf, which I can email to you, if you like. I know that this is just the "Australian Rules"; but it is based upon common sense; and I have