On 04/09/2011 11:57 PM, Chuck Harris wrote:
Hi Brooke,
My recollection of first seeing the 4K7 style of marking was
around about the time computers started being used for inventory
control... 1970's. It was only the European companies that
were doing it. It eliminated the confusion caused by the US/Eu
"." and "," decimal points. It also is less prone to losing the
"." on a component, or PCB mask.
I acknowledge all of that. But as far as I know, it has never
been used for time and frequency. That is what I am concerned
about. It seriously degrades the readability of the emails that
are formatted that way.
For components yes, for other usage... no.
Unit must be know for component type.
I see it as a short-hand being practical and avoids the . or , issues
(confusion and loosing them).
Outside of the component value situation I think SI should be applied.
I prefer 1 nF over 0,001 uF, 1000 pF or 1000 uuF. Also, 10 mF should be
used over 10000 uF. It's not that hard to do right...
Cheers,
Magnus
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