[sdiy] Fixed filter bank questions

David G Dixon dixon at mail.ubc.ca
Mon May 13 23:38:19 CEST 2019


What I don't understand is, in 2019, with everything highly automated, why
are capacitors still subject to 10% tolerances, or even 5% tolerances?  If
the plates are made exactly the same way by the same machine from the same
material, and the coatings are applied in exactly the same way, etc, etc,
why aren't they essentially all identical?  I can understand 1 or 2%
tolerance, but 10 or 20% (as the standard) should be obsolete.  People
aren't hand-making these stupid things!



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