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Author Topic: Why old schematics avoided using nanofarads?  (Read 6470 times)

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Offline iMo

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Re: Why old schematics avoided using nanofarads?
« Reply #50 on: October 15, 2022, 08:30:57 pm »
Quote from: radiolistener on October 11, 2022, 04:21:13 pm
really old schematics use centimeters unit for capacitance, it was at about beginning of 20 century :)
1 cm = 1.11 pF
It was the capacitance of an 1cm diameter metal ball in vacuum..
Provided you need a 100nF capacitor you put 89847 balls in a glass jar and that is it..
 :D
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