Good morning Steve:
I'm interested where you got your source of information on the metric
change over from mmfd to pf. I thought the Germans were using "Hertz" back in
the 30's. If my memory serves me correctly, that was slightly before the
transistor came on the scene. Appreciate any info you can direct me too.
73's & Merry Xmas
Bill_Harris
> uuF was used to spec cap values in tube equipment.
> The introduction of semiconductors forced a conversion
> to use the 'pico' prefix.
>
> Same with hertz. Tube gear measured frequency in
> cycles per second. The transistor changed all of
> that.
>
> Today, the use of surface mount parts has caused the
> need for 'nano.'
>
>
>
>
>
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