[sdiy] Using non-linear passives

[cheater00 cheater00]

Thanks, it's good to know things are different in your experience.

On Wed, 5 Apr 2017 19:41 Gordonjcp, <gordonjcp at gjcp.net> wrote:

> On Wed, Apr 05, 2017 at 05:20:27PM +0000, cheater00 cheater00 wrote:
> > The effect is much more dramatic than you say, and it seems to be easily
> > achievable. Here's a post by evilterrance at hotmail.com on the Electronics
> > 101 mailing list:
> >
> > > how about losing 80% of their capacitance by the time you are only
> > halfway to their voltage rating?  Look at the graph in the upper right:
> > >
> > >
> >
> https://product.tdk.com/info/en/documents/chara_sheet/C1608X5R1V225K080AC.pdf
> > >
> > > That +-10% tolerance?  Only counts to ONE volt.  To be fair, that is an
> > X5R...but look up your favorite X7R cap and check that DC bias curve.
> > Disappointing.
>
> All very well in theory, but capacitors simply do not behave like that in
> real life.
>
> If you don't believe me, try to rig up a test circuit that demonstrates
> this behaviour.
>
> --
> Gordonjcp MM0YEQ
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