In message <[email protected]>, dated Tue, 15 Sep 2015, Gary McInturff <[email protected]> writes:

Well not really John - ANSI has no regulatory authority but money does. A business isn't likely to simply add either NRE cost or cost per unit without justification - poor product performance, competitive advantage, regulation.

But therein lies an anomaly. Those US experts are employed to help write immunity standards by the businesses you say, correctly in many cases, do not favour anything that might increase total product cost. (Immunity doesn't add much to the hardware cost of a good design, but immunity testing is an additional cost.)

Poor performance isn't even a clean definition - if I have one failure out of 10,000 because of ESD for example - just ship them another one etc.

ESD is a special case; immunity to radiated RF is a more tractable phenomenon.

My personal opinion is that proper operation in the field is as important as any other functional specification but whether it's done through self-enforcement or governmental regulation is a thorny question.

Agreed in principle; this is a universal question. Consider self-enforcement of speed limits, or homicide.
--
OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk
When I turn my back on the sun, it's to look for a rainbow
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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