At 02:32 PM 7/12/2003 +1200, you wrote:


>I routinely make one-offs as either finished articles or production
>prototypes. Trust me, getting held up by avoidable faults caused
>by missing caps, floating inputs, dodgy soldering, out-of-spec or
>stressed components is a tragic waste of time (especially mine)
>for everyone involved
>
>People understand that prototypes have (or may have) a degree of
>over-engineering and may cost a little more. I would rather cover
>all the bases and have it work first time (which I'm pleased to say they
>usually do) and then work backwards to see what can be removed
>before failure than stuff about for hours or days adding components
>to a penny-pinched board until some mysterious fault with an unknown
>cause goes away. It's just false economy to be initially stingey

Couldn't agree more. The time for conservative engineering is when
you are only doing a few. If you're doing thousands or more, you can
lavish the attention required to shave pennies here and there while
maintaining quality.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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