Altair 680 power supply...
ard at p850ug1.demon.co.uk
Tue Jan 19 14:05:37 CST 2010
> On 18 Jan 2010 at 21:21, Tony Duell wrote:
> > Similarly I learnt the German symbols for logic gates (the AND gate
> > looks like what you'd expect, the OR gate looks like an AND gate -- it
> > has a straight back -- but the input lines are continuted across the
> > symbol to the curved face), but now use the normal US sysmbols when I'm
> > drawing schematis, since everybody else does. I can still read a
> > scehamtic using the German symbols, of
> > course (nad often have to ;-)).
> I'dve thought that the EU would have changed over to those dreadful
> IEC symbols by now (BS/EU EN 60617-12:1999). I stumble through those
Oh, officially we probably have. But I've not met anyone who uses them.
> with my nose held. It's like reading a musical score that's been
> reduced to text with note names and durations. There's no visual
Oh, and don't get me started on the related subject of schematics that
have not been drawn by electronic engineers. A good schematic should be
instantly recognisable for what it is. Not a 'pretty' arrangement of
symbols on the page.
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