gEDA-dev: Diode symbols in GSchem and PCB

Tomaz Solc tomaz.solc at tablix.org
Tue Dec 12 13:55:05 EST 2006


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Hi

> The user *must* read the datasheet. The user is supposed to be an engineer,
> right?  Engineers are suppsed to be smart, right?  Just dropping a
> symbol into a schematic without checking it against the datasheet is
> not smart!  I don't see any reason why the user of a schematic capture
> program should be prevented from gross acts of stupidity.

Actually, I did double check all components with more than two pins on
my circuit (in fact I have made local versions of GSchem symbols for
most of them them).

But signal diodes are such basic elements that I completely overlooked
the fact that there could be an inconsistency between GSchem and PCB. I
also do not see any particular reason why this must be so... a diode has
only two pins! It can either be right or wrong.

I was taught that smart engineers invent tools that do repetitious tasks
instead of them. Checking pinout of every element (even one as simple as
a diode) on a circuit against a datasheet is certainly a task that is
unnecessary if you have the correct tool.

Best regards
Tomaz
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